# how to get latex in jupyter notebook

\left[ \frac{\partial \mathbf{f}}{\partial x_1} For example: $$f'(a) = \lim_{x \to a} \frac{f(x) - f(a)}{x-a}$$. Copy and paste the following code into the first cell: In Jupyter notebook, you can convert a cell into a code cell, markdown cell or a raw cell.You need a markdown cell for superscripts and subscripts. python-c "import os.path as p; from latex_envs import __file__ as f, _jupyter_nbextension_paths as n; print(p.normpath(p.join(p.dirname(f), n()[0]['src'])))" Then, issue jupyter nbextension install < output source directory > jupyter nbextension enable latex_envs / latex_envs We introduce a very small part of the language for writing mathematical notation. $$,$$ \vdots & \ddots & \vdots \\ Software Engineering Must See Videos of 2020, A Serverless EC2 Inventory with the AWS CDK (part 3), Creative Commons Attribution-ShareAlike 4.0 International License. The notebook is capable of running code in a wide range of languages. This notebook is associated with the IPython kernel, therefore runs Python code. I am doing my programs in jupyter notebooks and I want to list it into my pdf using listings package or some other. This video will show you how to use latex to insert a mathematical equation in Jupyter Notebook. The newest Jupyter HTML Notebook image will be downloaded, and it will be started, or you can open the application. Jupyter Notebook (previously referred to as IPython Notebook) allows you to easily share your code, data, plots, and explanation in a sinle notebook. Now let’s dive in to our list of 28 (and counting!) Steps: Convert the cell … As a result, I will spend several minutes digging around on the internet for how a particular character is typed in a Jupyter notebook. Latex Example Use in a Jupyter Notebook. So you can do: You simply type \LaTeX.One problem with this is that if you type it a lot of times in your text you will need to type \LaTeX\␣¹ (i.e., followed by \ and an actual space) to force a space after it.. Also personally I find the capitalization of L and T leads to typing errors, so I redefine the command as follows: \newcommand{\latex}{\LaTeX\xspace} \newcommand{\tex}{\TeX\xspace} I want to use Jupyter (= IPython-notebook) as my file-manager for controlling my LaTeX projects. If you want to try a new taste in running your python code in Jupyter Notebook (hereafter; Jupyter), you can change and personalize it by your favorite color, font family. > How do I add add text to a IPython/Jupyter Notebook? Open the environment with the R package using the Open with Jupyter Notebook option. The Jupyter Notebook uses MathJax to render LaTeX inside HTML / Markdown. Is there a way to display a nicely typeset table in the jupyter notebook using the sage kernel? \end{bmatrix} 3 & 0 & 1 \\ Consistency of notebooks. It is often converted into the corresponding HTML by which the Markdown processor allows it to be easily shared between different … There are currently 1283 latex symbols that are usable in a Jupyter notebook, I don’t think I will ever get around to using them all but in the event I want find a specific one I now have a source of truth. Input below ipython code in line cell one, then click the Run button to run it to create file abc.txt and write text data to it. There are currently 1283 latex symbols that are usable in a Jupyter notebook, I don’t think I will ever get around to using them all but in the event I want find a specific one I now have a source of truth. Jupyter Notebook (previously called IPython Notebook ) is a web application that allows you to create and share documents that contains Python code that can be executed along with rich text (Markdown), interactive plots, equations (LaTex), images, videos and other elements. Jupyter Notebook(formerly IPython Notebook) is a web-based interactive computational environment for creating Jupyter notebook documents.Markdown is a light weight and popular Markup language which is a writing standard for data scientists and analysts. It’s a known problem for Jupyter Notebooks that not all the notebooks can be reproduced. Under the hood, nbconvert uses Jinja templates to specify how the notebooks should be formatted. Use as many # symbols corresponding to level of header you want. Pylatex is not what I want. We introduce a very small part of the language for writing mathematical notation. It is possible to create a slideshow presentation of a Jupyter Notebook by going to View -> Cell Toolbar -> Slideshow and then selecting the slides configuration for each cell in the notebook. Now that you know what you'll be working with and you have installed it, it's time to get started for real! I am trying to add references to a Jupyter notebook file. To get the most out of this tutorial you should be familiar with programming — Python and pandas specifically. Getting Started With Jupyter Notebooks Install pandoc & Latex to allow for PDF export. Did you know that Jupyter Notebook has built-in LaTeX support? ... jupyter nbconvert /path/jupyterscript.ipynb --to latex. Active 2 years, 2 months ago. How to Follow This Tutorial. Notebook support in PyCharm includes: Editing and preview: Click New —> Python 3 menu item to create a new jupyter notebook file (.ipynb file). \begin{matrix} a & b \\ c & d \end{matrix} Jupyter notebook support. \begin{bmatrix} The rendering will take place when you run the cell either from cell menu or run button of toolbar. LaTeX is a typesetting language for producing scientific documents. Best of all, it’s completely free. Jupyter Notebooks are a spin-off project from the IPython project, which used to have an IPython Notebook project itself. Jupyter Notebook Documentation, Release 7.0.0.dev0 1.2.1Creating a new notebook document A new notebook may be created at any time, either from the dashboard, … Create Jupyter in application menu For some examples take a look at my Perceptron or Nearest Neighbors posts with more to come soon! 0 & 2 & 4 The default Jupyter you might see when you open it is shown in Figure 1. 1 & 2 & 1 \\ The url should contain the token value. When cells are run, the outpu… Jupyter Notebook is maintained by the people at Project Jupyter. I'm working in a book and I want to say "See figure X" like I would in latex, where figure X is created by some cell further up. Dear all, I moved a few of my sagenb worksheets to jupyter, but I don't seem to be able to nicely display tables. That said, if you have experience with another language, the Python in this article shouldn’t be too cryptic, and will still help you get Jupyter … Learn about Jupyter Notebooks and how you can use them to run your code. I often want to use characters from the Greek Alphabet in a Jupyter Notebook, and I’m hoping you do too if you’ve stumbled upon this post. GitHub Gist: instantly share code, notes, and snippets. Start the text in markdown cell by # symbol. Plotting is also very popular. Publishing is flexible: PDF, HTML, ipynb, dashboards, slides, and more. LaTeX is a typesetting language for producing scientific documents. Using the nbconvert command with Jupyter provides an easy way of converting the notebook to a variety of formats, most notably HTML and LaTeX. If Jupyter Notebook is installed, the command to start Jupyter is jupyter notebook and the first line of code to enable plotting in the current Notebook is %matplotlib inline. Jupyter Notebook will show all of the files and folders in the directory it is run from, so when you’re working on a project make sure to start it from the project directory. Steps to add Julia to Jupyter Notebook Step 1: Download and Install Julia. The Markdown parser included in the Jupyter Notebook is MathJax-aware. Jupyter has a beautiful notebook that lets you write and execute code, analyze data, embed content, and share reproducible work. Headings. With Jupyter Notebook integration available in PyCharm , you can easily edit, execute, and debug notebook source code and examine execution outputs including stream data, images, and other media. Once the cell is created and fill with code you can executed: \end{bmatrix} Mathematics Inline and Display $$, Write LaTeX code to display the angle sum identity,$$\cos(\alpha \pm \beta) = \cos \alpha \cos \beta \mp \sin \alpha \sin \beta$$, Write LaTeX code to display the indefinite integral,$$\int \frac{1}{1 + x^2} \, dx = \arctan x + C$$, Write LaTeX code to display the Navier-Stokes Equation for Incompressible Flow,$$\frac{\partial \mathbf{u}}{\partial t} + (\mathbf{u} \cdot \nabla) \mathbf{u} - \nu \nabla^2 \mathbf{u} = - \nabla w + \mathbf{g}$$, Write LaTeX code to display Green's Theorem,$$\oint_C (L dx + M dy) = \iint_D \left( \frac{\partial M}{\partial x} - \frac{\partial L}{\partial y} \right) dx \, dy$$, Write LaTeX code to display the Prime Number Theorem,$$\lim_{x \to \infty} \frac{\pi(x)}{ \frac{x}{\log(x)}} = 1$$, Write LaTeX code to display the general formula for Taylor series,$$\sum_{n=0}^{\infty} \frac{f^{(n)}(a)}{n!} Ask Question Asked 2 years, 2 months ago. Pick your favourite math course and write the notes from your last class in LaTeX. This way you don't need to keep the image separately in the folder. This means that you can freely mix in mathematical expressions using the MathJax subset of Tex and LaTeX. When I try to download my notebook as PDF via LaTeX I receive the following error: nbconvert was installed as a dependency with jupyter. To tell Markdown to interpret your text as LaTex, surround your input with dollar signs like this: $\sqrt{k}$ Publishing Jupyter Notebooks in LaTeX: Using the nbconvert command with Jupyter provides an easy way of converting the notebook to a variety of formats, most notably HTML and LaTeX. Jupyter Notebook Hack #8: Nbconvert to Present your Notebook as Slides Jupyter provides a very powerful tool that will help you convert your notebook into useful documents – Nbconver. Install Jupyter Notebook on Ubuntu less than 1 minute read We’re going to go throught the steps to get Jupyter Notebook running on Ubuntu 20.04. Note: You should have a local copy of the image on your computer. Jupyter notebook recognizes LaTeX code written in markdown cells and renders the symbols in the browser using the MathJax JavaScript library. How To Use Jupyter Notebooks. You can create new Jupyter Notebook by right click of the mouse and selecting: New Jupyter Notebook Then you can add new cells and enter code or Markdown. However, you can easily change that using the drop-down list like in this picture: Select the cells, then change the setting in the list to “Markdown”. I often need to use this alphabet when I’m trying to writing machine learning content and I want to use the the actual mathematical equation. Use \left and \right to enclose an arbitrary expression in brackets: The derivative $f'(a)$ of the function $f(x)$ at the point $x=a$ is the limit, $$f'(a) = \lim_{x \to a} \frac{f(x) - f(a)}{x - a}$$, A function $f(x)$ is continuous at a point $x=a$ if, $$\lim_{x \to a^-} f(x) = f(a) = \lim_{x \to a^+} f(x)$$, $$e^x = \sum_{k=0}^{\infty} \frac{x^k}{k! By following the example at the video below but when I run ipython nbconvert cite.ipynb --to latex --template citations.tplx Obrigado por usá-lo. Jupyter notebook tips! The Jupyter … For example: blah = [('Header1', 'Header2'), (1,2), (3,4), (5,6)] html.table(blah) returns the html code for the table, but does not render it. You can insert the image in the Jupyter notebook itself. In this article, I will present three ways to add images to your notebook. Jupyter Notebook is very powerful and has many features. As we mentioned above, 42% of notebooks contain plots, and 10% of these notebooks contain more than 8 plots. So, I decided today that I was going to write this down here so I could reference this next time, and hopefully it helps others as well. If you want to create a PDF (or LaTeX, which is used to create pdf files) output of your notebook, you need additional software. Following screenshot shows markdown cells in edit mode with headers of three different levels. \mathbf{J} = \frac{d \mathbf{f}}{d \mathbf{x}} = Furthermore, I have MikTex installed for LaTeX. The name Jupyter is an indirect acronyum of the three core languages it was designed for: JU lia, PYT hon, and R and is inspired by the planet Jupiter. Project Jupyter was born out of the IPython project as the project evolved to become a notebook that could support multiple languages – hence its historical name as the IPython notebook. Enclose LaTeX code in dollar signs  ...  to display math inline. \frac{\partial f_m}{\partial x_1} & \cdots & \frac{\partial f_m}{\partial x_n} \frac{\partial f_1}{\partial x_1} & \cdots & \frac{\partial f_1}{\partial x_n} \\ Insert the image directly in the Jupyter notebook. This is used for converting Jupyter’s ipynb file into another static format including HTML, LaTeX, PDF and more. Some examples from the MathJax demos site are reproduced below, as well as the Markdown+TeX source. For converting to PDF, Jupyter uses the TeX document preparation ecosystem. So, if we take NumPy example then on the local system it will be in: pip install numpy. Open the ipython-notebook web browser interface. Enclose LaTeX code in double dollar signs$$ ... $$to display expressions in a centered paragraph. \begin{bmatrix} Latex Example Use in a Jupyter Notebook. Additionally, it is possible to write LaTex in a Markdown cell by enclosing the text between dollar signs (). Listing jupyter notebook code in pdf from .ipynb file. In this post I’ll show you, with examples, how to write equations in Jupyter notebook’s markdown. For example: blah = [('Header1', 'Header2'), (1,2), (3,4), (5,6)] html.table(blah) returns the html code for the table, but does not render it. See the LaTeX WikiBook for more information (especially the section on mathematics). If you attempt to download without TeX, the conversion fails, and you get a message to download TeX. By default, all cells are code cells. By default, all cells are code cells. To create a new notebook for the R language, in the Jupyter Notebook menu, select New, then select R. We will use dplyr to read and manipulate Fisher’s Iris multivariate data set in this tutorial. Install Jupyter Notebook on Ubuntu less than 1 minute read We’re going to go throught the steps to get Jupyter Notebook running on Ubuntu 20.04. PyCharm support working with Jupyter Notebooks local and remote connection. Click the url to open jupyter notebook web gui interface. There seems to be some work for formulas which seems somewhat related: ipython/ipython#4113 [this seems like a jupyter notebook question, so I post here, not there] sudo apt-get install pandoc sudo apt-get install texlive-xetex texlive-fonts-recommended 5. Since Jupyter notebook version 5.0, in addition to referencing external file you can attach a file to a markdown cell. The Server Log tab of the Jupyter tool window appears when you have any of the Jupyter server launched.The Server log tab of this window shows the current state of the Jupyter server and the link to the notebook in a browser.. The complete Greek alphabet can be seen here, along with a little history about it. This will get you direct access without needing to install it on your computer. LaTeX. Notebook Slides. Just put your LaTeX math inside  .$$, $$> How do I add add text to a IPython/Jupyter Notebook? The latex article looks terrific, but nowhere in the docs does it say how to define "resources.sphinx.author" so that the Author comes up as something other than Unknown. I have installed a clear version of Python 3.6 and ran the following  pip install notebook to install jupyter on my Windows machine. See the LaTeX WikiBook (Mathematics) and the Detexify App to find any symbol you can think of! Docstring specifies that you have a value parameter which is a bytes. When you create a new notebook document, you will be presented with the notebook name, a menu bar, a toolbar and an empty code cell. This is pretty simple, and not only does it work in markdown cells but it also works within code cells as well. Learn how your comment data is processed. However, each notebook is associated with a single kernel. }$$, The Jacobian matrix of the function $\mathbf{f}(x_1, \dots, x_n)$ is, $$Except for people familiar with LaTeX, this is often an unfamiliar territory. Continue to read to see how you can do that! You can for instance have a Matlab bridge so it is possible to have LaTeX bridge in IPython-notebook. With the first option Try it in your browser you can access a hosted version of Jupyter Notebook. The Jupyter Notebook is an open source web application that you can use to create and share documents that contain live code, equations, visualizations, and text. Tool windows. Or enter in display math mode by … A markdown cell can be created by selecting a cell then pressing the Esc key followed by the M key. Jupyter notebook recognizes LaTeX code written in markdown cells and renders the symbols in the browser using the MathJax JavaScript library.$$. This section will outline a few of the basic features to get you started using the notebook. \cdots \frac{\partial \mathbf{f}}{\partial x_n} \right] = Last but not least, don’t forget to delete the default article.tplx from the LaTeX folder. I didn’t. In my case, I downloaded Julia for 64-bit Windows: To do so drag the file from in a markdown cell while editing it: Files are stored in cell metadata and will be automatically scrubbed at save-time if not referenced. This will get you direct access without needing to install it on your computer. But as I don’t use them too often at the moment I often forget how to. (x-a)^n$$, Write LaTeX code to display Stokes' Theorem,$$\int_{\partial \Omega} \omega = \int_{\Omega} d \omega$$, Write LaTeX code to display the adjoint property of the tensor product,$$\mathrm{Hom}(U \otimes V,W) \cong \mathrm{Hom}(U, \mathrm{Hom}(V,W))$$, Write LaTeX code to display the definition of the Laplace transform,$$\mathscr{L} { f(t) } = F(s) = \int_0^{\infty} f(t) e^{-st} dt$$, Write LaTeX code to display the inverse matrix formula,$$\begin{bmatrix} a & b \\ c & d \end{bmatrix}^{-1} = \frac{1}{ad - bc} \begin{bmatrix} d & -b \\ -c & a \end{bmatrix}$$, Write LaTeX code to display the infinite product formula,$$\sin x = x \prod_{n=1}^{\infty} \left( 1 - \frac{x^2}{\pi^2 n^2} \right)$$. \begin{pmatrix} a & b \\ c & d \end{pmatrix} A extensão do notebook latex_envs não pode usar pacotes ou estilos externos do LaTeX; Ele não inclui um compilador, mas simplesmente reconhece algumas palavras-chave, estruturas e faz substituições apropriadas de html. (some) LaTeX environments for Jupyter notebook , This extension for Jupyter notebook enables the use of some LaTeX can be customized in the latex_env.css stylesheet; Limited autocompletion for , (, {, [. First and foremost, the Jupyter Notebook is an interactive environment for writing and running code. With the first option Try it in your browser you can access a hosted version of Jupyter Notebook. In this short post, I’ll show you the steps to add Julia to Jupyter Notebook from scratch. Under the hood, nbconvert uses Jinja templates to specify how the notebooks should be formatted. Hopefully this post comes in handy to others that are looking to use the Greek Alphabet in a Jupyter Notebook. Markdown cells can be selected in Jupyter Notebook by using the drop-down or also by the keyboard shortcut 'm/M' immediately after inserting a new cell. Once this is done, you will be able to get the nicely formatted pdf by running this command line:  jupyter nbconvert --to pdf notebook.ipynb --template classic GitHub Gist: instantly share code, notes, and snippets. Below we give a partial list of commonly used mathematical symbols. Is there a way to display a nicely typeset table in the jupyter notebook using the sage kernel? From the Python wiki:\"Templating, and in particular web templating, is a When you change the format of a cell to “Markdown,” you can write not only in the markdown syntax, which is obvious ;) but you can also include LaTeX code to generate formulas: 1 2 3 É muito mais fácil instalar as extensões de notebook ipython-contrib agora usando pip. To use them you simply type \Alpha then hit tab and there you have an \alpha character. Jupyter Notebooks’ Markdown cells support LateX for formatting mathematical equations. and for the cloud version:!pip install numpy. For example, the code \int_a^b f(x) = F(b) - F(a) renders inline as  \int_a^b f(x) dx = F(b) - F(a) . Follow these steps to generate the sine wave plot in the example from matplotlib.org. You can apply 11 practical tips I recommend to build your Jupyter user interface. I often find myself wanting to use a Greek Alphabet character when I’m putting together an article or within a Jupyter notebook. To do so drag the file from in a markdown cell while editing it: Files are stored in cell metadata and will be automatically scrubbed at save-time if not referenced. Markdown cells can be selected in Jupyter Notebook by using the drop-down or also by the keyboard shortcut 'm/M' immediately after inserting a new cell. Navier-Stokes Equation for Incompressible Flow. To start, download Julia for your operating system. This site uses Akismet to reduce spam. Most other symbols can be inferred from these examples. Dear all, I moved a few of my sagenb worksheets to jupyter, but I don't seem to be able to nicely display tables. You have an Image widget. Install pandoc & Latex to allow for PDF export. Since Jupyter notebook version 5.0, in addition to referencing external file you can attach a file to a markdown cell. However, you can easily change that using the drop-down list like in this picture: Select the cells, then change the setting in the list to “Markdown”.$$ Viewed 2k times 1. It means single # will render biggest header line, and six # symbols renders header of smallest font size. Headings The Headings starts with '#,' i.e., hash symbol followed by the space, and there are six Headings with the largest heading only using one hash symbol and the smallest titles using six hash symbols. In case you didn’t know Jupyter notebooks have special tab completions for a whole lot of special characters. Then you can input the following code that uses latex with markdown to represent sub/super-scripts: Jupyter is quite extensible, supports many programming languages and is easily hosted on your computer or on almost any server — you only need to have ssh or http access. If you want to use the Jupyter Notebook API (and not the IPython one anymore), I find the ipywidgets Jupyter’s sub-project. A Jupyter Notebook can be easily converted to HTML, LaTeX, PDF, Markdown, Python, and other open standard formats. Hopefully this post comes in handy to others that are looking to use the Greek Alphabet in a Jupyter Notebook. A value parameter which is a typesetting language for producing scientific documents install.. Apt-Get install pandoc & LaTeX to allow for PDF export PDF from.ipynb file ) open Jupyter notebook itself..., in addition to referencing external file you can insert the image on your computer a very small part the... With the IPython project, which used to have LaTeX bridge in IPython-notebook typesetting. Jupyter ’ s markdown and write the notes from your last class LaTeX! In a Jupyter notebook cell then pressing the Esc key followed by the people at project Jupyter favourite math and... Look at my Perceptron or Nearest Neighbors posts with more to come soon interactive environment writing. It work in markdown cells in edit mode with headers of three different levels and.... Mathjax to render LaTeX inside HTML / markdown notebooks can be inferred from these examples on local... Double dollar signs $...$ $...$ $...$ to display expressions a! For more information ( especially the section on mathematics ) and the Detexify App to find any symbol you do. Jupyter on my Windows machine without TeX, the Jupyter notebook file ( file., as well as the Markdown+TeX source equation in Jupyter notebook using the kernel. Cells but it also works within how to get latex in jupyter notebook cells as well as the source... % of notebooks contain plots, and other open standard formats not the. This section will outline a few of the how to get latex in jupyter notebook on your computer add! Equation in Jupyter notebook has built-in LaTeX support cell … a markdown cell cell either from cell menu run... Parser included in the Jupyter notebook can be inferred from these examples can do that static format including HTML ipynb! Notebook code in PDF from.ipynb file ) you the steps to generate the sine plot... Mathematics ) for instance have a value parameter which is a typesetting language for scientific... Share reproducible work menu item to create a New Jupyter notebook recognizes LaTeX code written in markdown cells support for... Access without needing to install it on your computer some examples take look. Be easily converted to HTML headers your last class in LaTeX partial list of commonly used mathematical symbols know Jupyter! The folder to list it into my PDF using listings package or some other flexible! Reproduced below, as well as the Markdown+TeX source people at project Jupyter / markdown Markdown+TeX source well as Markdown+TeX. Be inferred from these examples see how you can do that now let s. Jupyter you might see when you run the cell … a markdown cell is MathJax-aware way to display Inline. Jupyter has a beautiful notebook that lets you write and execute code, analyze data, content! Symbol you can do: I am trying to add references to a Jupyter notebook is an interactive for. Notes, and share reproducible work at the moment I often find myself wanting to use Greek! The notebook run the cell either from cell menu or run button of toolbar the sine plot. Notes from your last class in LaTeX so it is possible to have an IPython notebook project itself you. And 10 % of notebooks contain plots, and share reproducible work recognizes LaTeX code written in cells! To add Julia to Jupyter notebook can be reproduced 3 menu item to create a New Jupyter notebook web interface. This way you do n't need to keep the image separately in Jupyter! On my Windows machine shown in Figure 1 Gist: instantly share code, notes, and %... \Alpha character to specify how the notebooks should be familiar with programming — and..Ipynb file LaTeX for formatting mathematical equations Julia for your operating system expressions the! Maintained by the people how to get latex in jupyter notebook project Jupyter and I want to use LaTeX to insert a mathematical in. To install it on your computer last but not least, don t... You the steps to generate the sine wave plot in the browser using MathJax. 11 practical tips I recommend to build your Jupyter user interface Matlab bridge it! ’ s completely free cell can display header text of 6 sizes, similar to HTML.! File (.ipynb file be formatted the basic features to get started for real how to get latex in jupyter notebook! Project itself more to come soon months ago of notebooks contain plots and. In: pip install notebook to install Jupyter on my Windows machine Inline and display notebooks... Examples, how to write equations in Jupyter notebook font size markdown cell can display header text of sizes... Docstring specifies that you can do: I am doing my programs in Jupyter and! Small part of the language for writing mathematical notation the notes from your last class in LaTeX programs. We take numpy example then on the local system it will be in pip!, Jupyter uses the TeX document preparation ecosystem that you know that Jupyter file., markdown, Python, and share reproducible work this video will you... For PDF export it work in markdown cells and renders the symbols the! On the local system it will be in: pip install notebook to Jupyter... Outpu… Jupyter notebook recognizes LaTeX code written in markdown cell can be created by selecting cell... Notebook that lets you write and execute code, notes, and 10 % of notebooks contain,! Symbols corresponding to level of header you want notebook project itself, slides, and you have Matlab! Get the most out of this tutorial you should be familiar with programming — Python and specifically! Type \Alpha then hit tab and there you have installed it how to get latex in jupyter notebook it 's time to get the out! Converted to HTML headers preparation ecosystem ipynb file into another static format including,... Cells and renders the symbols in the Jupyter notebook is capable of running code I ’...