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.
Find the peak 3n+1 sequence value
So many choices
Getting the indices from a vector
Set the array elements whose value is 13 to 0
Narcissistic number ?
I've got the power! (Inspired by Project Euler problem 29)
S-T-R-E-T-C-H I-T O-U-T
Crunch that matrix!
Accessing values in a cell
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