Well written functions check inputs to make sure the input is valid. The function ErrorCheck takes three arguments:
If the input is anything other then this, throw the error message
'Cody demonstration error'
If the input is good, simply return 23.
Clarification: For b, with "a string" it seems you accept both string arrays and char arrays. For c, with "matrix" it seems you require a numeric array — this is different from MATLAB's definition of a "matrix".
Thank you David Verrelli. I have modified the problem description to try to reflect that.
Find relatively common elements in matrix rows
Rotate input square matrix 90 degrees CCW without rot90
04 - Scalar Equations 2
Convert Fahrenheit to Celsius
How many bottles can you drink?
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