MATLAB Functions Help Desk

rot90

Purpose

Rotate matrix 90°

Syntax

Description

B = rot90(A) rotates matrix A counterclockwise by 90 degrees.

B = rot90(A,k) rotates matrix A counterclockwise by k*90 degrees, where k is an integer.

Examples

The matrix

rotated by 90 degrees is

See Also

flipdim     Flip array along a specified dimension

fliplr      Flip matrices left-right

flipud      Flip matrices up-down



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