ones

Array of all ones.

Syntax

B = ones
B = ones(n)
B = ones(m, n)
B = ones(d1, d2, d3, ...)
B = ones([d1 d2 …])
B = ones(…, classname)

Description

Creates an array of all ones with the given dimensions. Same shape conventions as zeros, including the optional trailing class-name string for element type selection.

Examples

ones(3)                  % 3×3 ones
ones(1, 5)               % row vector of five 1s
ones(4, 'single')        % 4×4 single-precision

See also

• zeros — Array of all zeros.
• eye — Identity matrix.
• true — Logical array of all true.
• false — Logical array of all false.