rot90

Rotate array 90 degrees.

Syntax

  • B = rot90(A)

  • B = rot90(A, k)

Input argument

  • A - an array

  • k - an positive integer value: Rotation constant.

Output argument

  • B - rotated array.

Description

B = rot90(A, k) rotates array A counter clockwise by k * 90 degrees, with k is an integer value.

Consider flip function to flip arrays in any dimension.

Example

x = eye(3, 2);
y = rot90(x, 0)
y = rot90(x, 1)
y = rot90(x, 2)
y = rot90(x, 3)

See also

flipud, fliplr.

History

VersionDescription

1.0.0

initial version

Author

Allan CORNET

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