<< rosser

Elementary functions

round >>

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rot90

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Rotate array 90 degrees.

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Syntax

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B = rot90(A)

B = rot90(A, k)

Input argument

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A

an array

k

an positive integer value: Rotation constant.

Output argument

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B

rotated array.

Description

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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

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

See also

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flipud, fliplr.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET