Professor Kate Poirier | D071 | Fall 2023

Author: Kate Poirier (Page 12 of 13)

OpenLab assignment: typing math in LaTeX

Due Monday, September 11, 11:59pm

What is $\LaTeX$?

Throughout the semester, you’ll be asked to submit complete written solutions in your own posts on the OpenLab. One way to do this is to upload a photo of work you wrote on paper and upload it as a picture to include in your post. You could also just type the work directly into your post. The regular keyboard can do a lot, but it won’t look that great and you’ll be missing useful math characters like $\int$ and $\frac{d}{dx}$.

Instead, you can use the most commonly used math typesetting language, called $\LaTeX$ (pronounced LAY-teck) right in your OpenLab posts. $\LaTeX$ is a software system/markup language for typesetting math. It’s used widely to prepare research papers, technical reports, and other documents requiring mathematical symbols. A lot of you are planning on going into technical fields, and might find getting to know how to typeset math in $\LaTeX$ to be useful. It takes a while to learn, but it’s waaaaaay better than Microsoft Word’s equation editor!

Our OpenLab page has a $\LaTeX$ plugin installed, so that’s why I can type beautiful things that look like this:

$u= \int \frac{3-6t}{e^{-t}}dt$
$\quad=\int \left(3e^t – 6te^t\right) dt$
$\quad=3e^t – 6(te^t-e^t)+C$

$\quad=9e^t -6te^t+C.$

Instructions

For this assignment all you’re going to do is practice typing some $\LaTeX$ code in the comments on this post. Submit a comment using $\LaTeX$ on this post.

What you type doesn’t have to make any mathematical sense, just try to get it to compile some math symbols. Go ahead and play around and make a giant mess in these comments. If something doesn’t work at first, don’t worry just try again. 

Instructions for typing in $\LaTeX$ on the OpenLab can be found here.

Two things to remember:

  1. Type ! at the top of your post/comment.
  2. Enclose your mathematical expression in dollar signs. (The instructions linked above use \ begin{math} and \ end{math} (without the spaces) instead of dollar signs, but you can use either to enclose your expression.)

Week 1 checklist

Complete the following by Monday, September 4, 11:59pm

Animated gif of Bart Simpson and Milhouse. Milhouse is holding a note and Bart is saying, "That's just his shopping list"

Read on the course hub or in the textbook:

  • 1.1 Applications leading to differential equations
  • 1.2 First order equations
  • 1.3 Direction Fields for First Order Equations

WeBWorK due 11:59pm Monday, September 4

  • Complete the set Calculus Review
    • This set is a review of Calculus II material; if you need a refresher, you can consult the MAT 1575 course hub lessons here
  • Click the link the WeBWorK link in the menu bar above to access your WeBWorK for this class; login instructions will be emailed to you
  • The sets Introduction-Basic Concepts and First Order Equations-Direction Fields aren’t due until Monday, September 11 (along with two more sets) but cover material from the Thursday, August 31 lecture.

OpenLab due 11:59pm Monday, September 4

  • Introduce yourself (instructions here)
  • Your favorite application of differential equations (instructions here)

Other due 11:59pm Monday, September 4

  • Fill out the welcome survey here
  • Volunteer to set up a class Discord server or a class WhatsApp group chat; paste the link in a comment on this post and I’ll copy it to the menu above

Coming up in Week 2

  • Tuesday in class: 2.1 Linear First Order Equations
  • Thursday in class: 2.2 Separable Equations
  • WeBWorK due 11:59pm Monday, September 11
    • Introduction-Basic Concepts
    • First Order Equations-Direction Fields
    • First Order Equations-Linear Nonhomogeneous
    • First Order Equations-Separable
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