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.
Distance walked 3D
First non-zero element in each column
Given a 4x4 matrix, swap the two middle columns
MATLAB Basic: rounding IV
Lights Out 2 - 5x5, 4 moves
Dice roll - opposite faces
Musical Note Interval 1 - Diatonic Scale
Sphenic number sequence
Radiation Heat Transfer — View Factors (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