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Linear algebra

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planerot

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Givens plane rotation.

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Syntax

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[G, Y] = planerot(X)

Input argument

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X

two-element column vector.

Output argument

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G

2 by 2 orthogonal matrix.

Y

Y = G * X with Y(2) = 0.

Description

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[G, Y] = planerot(X) computes the Givens rotation matrix for the two-element column vector X.

Example

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X = [4; 5];
[G, X] = planerot(X)

See also

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norm.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET