If you request a row vector in the problem description, the tests should expect a row vector, not a column vector.
why it fails??
Sum the entries of each column of a matrix which satisfy a logical condition.
Equal to their cube
Basic arrays operations.
Narcissistic number ?
Compare two input matrices
provide the numerical answer to these number questions...
Convert a Cell Array into an Array
Create numeric palindromes and their square roots
Is this number Munchhausen Narcissistic?
Tony's trick for duplicating an mx1 vector n times
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