gotta be honest, I did a double take when I saw that numbers could be happy.
sorry for that.
Back and Forth Rows
Similar Triangles - find the height of the tree
Back to basics 8 - Matrix Diagonals
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Strange Number Algorithms
Magic Concentric Circles
Convert vector datasets to plot with imagesc instead of scatter
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