MatrixI (Jep with extensions API )

All Known Implementing Classes:

ComplexMatrix, DoubleMatrix, GenericMatrix, ObjectMatrix, RationalMatrixFactory.RationalMatrix, SequenceMatrix
```
public interface MatrixI
```
Defines the basic interface implemented by all types of matrix.

Since:

Jep 3.5 / Extensions 2.0

Author:

Richard Morris

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Dimensions`	`getDimensions()`	Gets the dimensions of the Vector or Matrix
`java.lang.Object`	`getEle(int row, int col)`	Gets an element of a matrix
`int`	`getNCols()`	The number of columns
`int`	`getNRows()`	The number of rows
`void`	`setEle(int row, int col, java.lang.Object val)`	Set an element of a matrix
`java.lang.Object[][]`	`toArray(java.lang.Object[][] mat)`	Copies the data to an array

- Method Detail
  - getEle
```
java.lang.Object getEle(int row,
                        int col)
```
    Gets an element of a matrix
    
    Parameters:
    
    row - the row
    
    col - the column
    
    Returns:
    
    the element
  - setEle
```
void setEle(int row,
            int col,
            java.lang.Object val)
     throws EvaluationException
```
    Set an element of a matrix
    
    Parameters:
    
    row -
    
    col -
    
    val - value to set
    
    Throws:
    
    EvaluationException
  - getNRows
```
int getNRows()
```
    The number of rows
    
    Returns:
    
    number of rows
  - getNCols
```
int getNCols()
```
    The number of columns
    
    Returns:
    
    number of columns
  - getDimensions
```
Dimensions getDimensions()
```
    Gets the dimensions of the Vector or Matrix
    
    Returns:
    
    the dimensions
  - toArray
```
java.lang.Object[][] toArray(java.lang.Object[][] mat)
                      throws EvaluationException
```
    Copies the data to an array
    
    Parameters:
    
    mat -
    
    Returns:
    
    mat with the elements filled in
    
    Throws:
    
    EvaluationException - if mat is not a matrix of the correct size