Create the variable eMat2, which is equal to eMat with the top row replaced with ones.
Remove all the consonants
Reverse Run-Length Encoder
Sum the elements in either diagonal of a square matrix
Generate a random matrix A of (1,-1)
find the surface area of a cube
06 - Matrix Equations 3
02 - Vector Variables 1
01 - Scalar variables
07 - Common functions and indexing 2
07 - Common functions and indexing 1
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