public class GivensRotation
extends java.lang.Object
Constructor and Description |
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GivensRotation(double x,
double y)
Constructs a Givens plane rotation for a given 2-vector
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Modifier and Type | Method and Description |
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void |
apply(Matrix H,
int column,
int i1,
int i2)
Applies the Givens rotation to two elements in a matrix column
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void |
apply(Vector x,
int i1,
int i2)
Applies the Givens rotation to two elements of a vector
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public GivensRotation(double x, double y)
x
- First component of the vectory
- Second component of the vectorpublic void apply(Matrix H, int column, int i1, int i2)
H
- Matrix to apply tocolumn
- Column indexi1
- Row index of first elementi2
- Row index of second elementpublic void apply(Vector x, int i1, int i2)
x
- Vector to apply toi1
- Index of first elementi2
- Index of second element