It's very sad that there is no matlab function "npermsk".
Not work for R is long, and k is small.
For example, R = 1:100, k = 2.
@li haitao, the max digital is 9. If length of R great than 10, it is another problem. I think you can submit a problem like this but larger R.
@ Binbin Qi, You're right.
Specific Element Count
N-Dimensional Array Slice
There are 10 types of people in the world
Three...is a magic number.
Singularity v5 (with apologies to the true hack masters)
How brilliant are you?
Reindex a vector
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