I can't get the last three cases to work out. I've checked the answers a couple of different ways. I still get 26 1s in the binary for 10^100. Is there a defect in the solutions offered?
The test cases are correct. In case you are using dec2bin, it is subject to loss of significance.
Project Euler: Problem 4, Palindromic numbers
Project Euler: Problem 9, Pythagorean numbers
Back to basics 6 - Column Vector
Basics: 'Find the eigenvalues of given matrix
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