If the input is a negative number, generate an error. Otherwise, return the number.
The Hitchhiker's Guide to MATLAB
Scoring for oriented dominoes
Getting the indices from a vector
Sum of odd numbers in a matrix
Sum the real and imaginary parts of a complex number
Cumulative maximum of an array
Assign matrix elements to separate variables
Detect circles in images
Is this function available?
Create an 8-color version of an image
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