all elements are larger than 5
a=[1 3 5 8 6];
b=[6 6 6 6 6];
function(a) should be false, and function(b) will be true.
Extract leading non-zero digit
Tell me the slope
Max of a Vector
Replacing a row
Solve the system of linear equations
Calculate some equation
Change string to number
Calculate inverse matrix in m by n matrix
Extract a specific part of matrix!
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