Write a function that converts elements in a numeric array into a different class. Example:
a = [1:5]; % class: double
b = convertto(a,'uint32');
1 2 3 4 5
No str2func allowed? Pity...
Calculate the area of a triangle between three points
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Generate a random matrix A of (1,-1)
Who has power to do everything in this world?
Index of neighbor pixel with steepest gradient
Find smallest integer type to accommodate your number
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