isrealΒΆ

isreal checks if its argument is a real scalar or real matrix.

bool = isreal(m)

Return Value

bool is TRUE (1), if the argument is a real scalar or real matrix and FALSE (0), if the argument is of another type.

Parameters

m

m is a scalar, matrix or function.

Example

a = 1.23
isreal(a)
     1.0000
isreal(sin)
     0.0000
isreal(1 + 3i)
     0.0000

See also

Overview Mathematic, type, iscomplex, isstring

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