Back to basics 1 - Saving
find the maximum element of the matrix
Is this triangle right-angled?
Your favourite city!
Square root of a number
Make a checkerboard matrix (★★★★★)
Matrix indexing with two vectors of indices (★★)
Create times-tables (★★★)
Create a vector with n repeated values of a number x (★★)
Generate n equally spaced "intervals" between -x and x (★)
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