Write a function that converts elements in a numeric array into a different class. Example:
a = [1:5]; % class: double
b = convertto(a,'uint32');
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No str2func allowed? Pity...
Finding Perfect Squares
Back to basics 22 - Rotate a matrix
What's Your BMI?
Test if two numbers have the same digits
Create a random logical vector of N elements of which M are true.
Index of neighbor pixel with steepest gradient
Find smallest integer type to accommodate your number
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