Make a checkerboard matrix
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Create an anti-identity matrix
Matlab Basics - Logical Tests I
Square root of a number
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
Log of a number
If you have matrix A, create matrix B using matrix A as an "element"
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