Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.
Longest Divisor Run
The Hitchhiker's Guide to MATLAB
Omit columns averages from a matrix
Back to basics 8 - Matrix Diagonals
Simple spirometer - find your lung capacity from the number and size of soap bubbles in one breath
Basic electricity in a dry situation
Compress strings (not springs)
Bang Bang in Bangalore
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office