isvalid

Element-wise validity test.

Syntax

TF = isvalid(A)

Description

Returns true for elements that are valid values — finite numbers, valid strings, valid handles, etc. false for NaN, #REF! errors, deleted handles, etc. Use as a general “is this usable” check.

See also

• isnan — Element-wise NaN test.
• isfinite — Element-wise finite test.
• iserror — Test whether a value is any error.