nicely done!first one use ndgrid finish the orginal expansion in this one.
I think it's the first time I see this function in Cody.
Sum all integers from 1 to 2^n
Back to basics 15 - Benchmark
Is A the inverse of B?
Is the Point in a Circle?
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
Diophantine Equations (Inspired by Project Euler, problem 66)
Lowest sum from a group of digits
It's Happy! It's Fun! It's Happy Fun Hyperball!
Make one vector from two others
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