MATLAB Function Reference

ones

Create an array of all ones

Syntax

• Y = ones(n)
  Y = ones(m,n)
  Y = ones([m n])
  Y = ones(d1,d2,d3...)
  Y = ones([d1 d2 d3...])
  Y = ones(size(A))
  

Description

Y = ones(n) returns an n-by-n matrix of 1s. An error message appears if n is not a scalar.

Y = ones(m,n) or Y = ones([m n]) returns an m-by-n matrix of ones.

Y = ones(d1,d2,d3...) or Y = ones([d1 d2 d3...]) returns an array of 1s with dimensions d1-by-d2-by-d3-by-....

Y = ones(size(A)) returns an array of 1s that is the same size as A.

See Also

eye, rand, randn, zeros

odeset

open