Scroll down to the bottom of the article and you'll see the cheat sheet: http://sebastianraschka.com/Articles/2014_matrix_cheatsheet.html#cheatsheet http://seb

Scroll down to the bottom of the article and you'll see the cheat sheet: http://sebastianraschka.com/Articles/2014_matrix_cheatsheet.html#cheatsheet http://sebastianraschka.com/Articles/2014_matrix_cheatsheet.... (click on the image) Also fyi, the author could have also included syntax for Mathematica and WolframAlpha. I think he was focusing on free software but WolframAlpha is free for modest usage as alternative to the monthly paid subscription plan. http://www.wolframalpha.com/examples/Matrices.html http://www.wolframalpha.com/examples/Matrices.html http://reference.wolfram.com/language/howto/CreateAMatrix.html http://reference.wolfram.com/language/howto/CreateAMatrix.ht...