gotta be honest, I did a double take when I saw that numbers could be happy.
sorry for that.
The Hitchhiker's Guide to MATLAB
Flip the main diagonal of a matrix
Set some matrix elements to zero
Area of a triangle
Convert vector datasets to plot with imagesc instead of scatter
Convert a Cell Array into an Array
provide the numerical answer to these number questions...
Strange Number Algorithms
Magic Concentric Circles
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