PdeUtil (ImgLib2 Javadocs 0-SNAPSHOT API)

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java.lang.Object
- net.imglib2.algorithm.pde.PdeUtil

```
public class PdeUtil
extends Object
```
A collection of util static methods related to partial differential equations.

Author:

Jean-Yves Tivenez

Constructor Summary

Constructors
Constructor and Description

PdeUtil()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static double[]`	`realSymetricMatrix2x2(double ixx, double iyy, double ixy)` Return the eigenvalues and the eigenvectors of a 2x2 real symetric matrix:

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PdeUtil
```
public PdeUtil()
```
- Method Detail
  - realSymetricMatrix2x2
```
public static final double[] realSymetricMatrix2x2(double ixx,
                                                   double iyy,
                                                   double ixy)
```
    Return the eigenvalues and the eigenvectors of a 2x2 real symetric matrix:
```
 a c
 c b
 
```
    Returns:
    
    a double[] array containing in order: mu_1 and mu_2 the two eigenvalues in ascending order, and cosα and sinα the X & Y components of the first eigenvector.

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