planerot

Givens plane rotation.

Syntax

  • [G, Y] = planerot(X)

Input argument

  • X - two-element column vector.

Output argument

  • G - 2 by 2 orthogonal matrix.

  • Y - Y = G * X with Y(2) = 0.

Description

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

Example

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

See also

norm.

History

Author

Allan CORNET

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