The test suite has been expanded.
y = findpeaks(x);
why this one doesn't work?
findpeaks() function is a part of Signal Processing Toolbox, which Cody doesn't support.
middleAsColumn: Return all but first and last element as a column vector
Sum the elements in either diagonal of a square matrix
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
Rounding off numbers to n decimals
Sort complex numbers into complex conjugate pairs
Change the sign of even index entries of the reversed vector
Insert zeros into vector
Remove entire row and column in the matrix containing the input values
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