Background / Prerequisite knowledge

Calculus

• Essence of calculus by 3Blue1Brown
• Basic Calculus Refresher by Ismor Fischer
• Calculus by Math is Fun (Advanced)
• Partial Derivatives by Math is Fun (Advanced)
• Partial Derivatives and Gradient by MIT OCW
• Gradients and Directional Derivatives by R Horan & M Lavelle

Linear Algebra

• Essence of linear algebra by 3Blue1Brown
• A 2020 Vision of Linear Algebra by Prof. Gilbert Strang
• Linear Algebra for Gate by PacketPrep
• Interactive Linear Algebra by Dan Margalit, Joseph Rabinoff
• Linear algebra explained in four pages by Ivan Savov
• Linear Algebra Review and Reference by Zico Kolter, Chuong Do (includes Matrix Calculus)
• The Matrix Calculus You Need For Deep Learning by Terence Parr and Jeremy Howard
• Linear Algebra - Foundations to Frontiers by UTAustinX

Python

R

• R for Statistics 571 by Bret Larget
• RStudio Cheatsheets by RStudio
  • (especially) Base R Cheatsheet by Mhairi McNeill

Other tools

• Wolfram Alpha
• Wolfram Cloud
  • "Hint: don't forget the Simplify[] around your Solve[] for something a little easier to transcribe."
• Desmos Graphing Calculator
• Desmos Matrix Calculator
• Symbolab Math Solver Step by Step calculator

Visualization

• The Visual Display of Quantitative Information by Edward Tufte
  • also, Envisioning Information and Visual Explanations by the same author, but start with The Visual Display of Quantitative Information.