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Grocer >> Basic functions > is_scalar

is_scalar

check if a matrix is a scalar

CALLING SEQUENCE

[ret]=is_scalar(x)

PARAMETERS

Input

* x = a (nxm) matrix

 

Output

* ret0 = 1 if x is scalar, 0 in other cases

DESCRIPTION

Checks if a matrix is a scalar

EXAMPLE

is_scalar(5)
//returns 1
 
is_scalar(ones((4,1))
//returns 0.

AUTHOR

Eric Dubois 2002

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