NonPositiveDefiniteMatrixException (Apache Commons Math 3.6.1 API)

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Summary:
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Detail:
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java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - java.lang.IllegalArgumentException
      - org.apache.commons.math3.exception.MathIllegalArgumentException
        
        org.apache.commons.math3.exception.MathIllegalNumberException
        
        org.apache.commons.math3.exception.NumberIsTooSmallException
        
        org.apache.commons.math3.linear.NonPositiveDefiniteMatrixException

All Implemented Interfaces:

Serializable, ExceptionContextProvider
```
public class NonPositiveDefiniteMatrixException
extends NumberIsTooSmallException
```
Exception to be thrown when a positive definite matrix is expected.

Since:

3.0

See Also:
Serialized Form

Field Summary
- Fields inherited from class org.apache.commons.math3.exception.MathIllegalNumberException
  INTEGER_ZERO

Constructor Summary

Constructors
Constructor and Description
`NonPositiveDefiniteMatrixException(double wrong, int index, double threshold)` Construct an exception.

Method Summary

Methods
Modifier and Type Method and Description

int getColumn()

int getRow()

double getThreshold()
- Methods inherited from class org.apache.commons.math3.exception.NumberIsTooSmallException
  getBoundIsAllowed, getMin
- Methods inherited from class org.apache.commons.math3.exception.MathIllegalNumberException
  getArgument
- Methods inherited from class org.apache.commons.math3.exception.MathIllegalArgumentException
  getContext, getLocalizedMessage, getMessage
- Methods inherited from class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - NonPositiveDefiniteMatrixException
```
public NonPositiveDefiniteMatrixException(double wrong,
                                  int index,
                                  double threshold)
```
    Construct an exception.
    
    Parameters:
    wrong - Value that fails the positivity check.
    index - Row (and column) index.
    threshold - Absolute positivity threshold.
- Method Detail
  - getRow
```
public int getRow()
```
    Returns:
    the row index.
  - getColumn
```
public int getColumn()
```
    Returns:
    the column index.
  - getThreshold
```
public double getThreshold()
```
    Returns:
    the absolute positivity threshold.

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