Cody

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Problem 3073. Projector Matrix

Created by goc3

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Write a function to determine whether or not the matrix is a projector. Projector matrices are defined as P^2 = P.

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Solution Stats

127 Solutions
35 Solvers

Last Solution submitted on Mar 28, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Binbin Qi on 10 Mar 2015

test 8 is not a symmetric matrix, is it a projector matrix?

goc3 on 10 Mar 2015

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.

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Problem Tags

idempotent matrix projector

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