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Please note that the recommended version of Scilab is 6.0.0. This page might be outdated.
See the recommended documentation of this function

Aide de Scilab >> Fonctions Elémentaires > isscalar

isscalar

check if a variable is a scalar.

Calling Sequence

t=isscalar(x)

Arguments

x

scalar,vector, matrix, hypermatrix, list, array of structures or cells

t

a boolean

Description

isscalar(x) returns true if x is a scalar (if size(x) is 1). Note that isscalar([]) returns false.

Examples

isscalar(ones(10,10))
isscalar(1)
isscalar("s")
s = struct();
isscalar(s) // Empty structure
clear s
s.a = %z;
s.b = 2;
isscalar(s) // Scalar structure
clear s
s(1,2).a = 3;
s(1,3).b = %z;
isscalar(s) // Row array of structures
clear s
s(2,1).a = "w"; 
s(3,1).b = %t;  
isscalar(s) // Column array of structures

See also

  • ismatrix — check if a variable is a matrix
  • isrow — check if a variable is a row
  • iscolumn — check if a variable is a column
  • issquare — check if a variable is a square matrix
  • isempty — check if a variable is an empty matrix or an empty list

History

VersionDescription
5.5.0 Function isscalar introduced.
Scilab Enterprises
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Thu Oct 02 13:54:30 CEST 2014