Write a function to determine whether or not the matrix is a projector. Projector matrices are defined as P^2 = P.
test 8 is not a symmetric matrix, is it a projector matrix?
Sorry about that one. I've removed that test case. I don't know how long it will take for the re-scoring to propagate, though.
Find the longest sequence of 1's in a binary sequence.
Get the area codes from a list of phone numbers
Back to basics 14 - Keywords
Column norms of a matrix
Cycling — Critical Power
Divisible by n, Truncated-number Divisors
Stress-Strain Properties - 7
Lights Out 26 - m x n, q stages, with wrapping, x moves
Divisible by 5
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