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.
Remove the polynomials that have positive real elements of their roots.
635 Solvers
190 Solvers
Removing rows from a matrix is easy - but what about inserting rows?
127 Solvers
Create a Multiplication table matrix...
285 Solvers
1262 Solvers
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!