Problem 44434. Writing Error Messages

Created by Michael Eldredge

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Well written functions check inputs to make sure the input is valid. The function ErrorCheck takes three arguments:

a - a scalar value
b - either a string, or a character array
c - a square matrix (numerical array)

If the input is anything other then this, throw the error message

'Cody demonstration error'

If the input is good, simply return 23.

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Last Solution submitted on Oct 25, 2025

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David Verrelli on 6 Dec 2017

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".

Michael Eldredge on 6 Dec 2017

Thank you David Verrelli. I have modified the problem description to try to reflect that.

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