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8.2.39 mustBeScalar

Function File: x = mustBeScalar (x, label)

Requires that input is scalar.

Raises an error if the input x is not scalar, as determined by isscalar (x).

label is an optional input that determines how the input will be described in error messages. If not supplied, inputname (1) is used, and if that is empty, it falls back to "input".