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## igeo
Class IMatrix3

    java.lang.Object
      igeo.IMatrix
          igeo.IMatrix3

All Implemented Interfaces:
  IMatrix3I, IMatrix3Op, IMatrixI, IMatrixOp, IParameter, IVal

    public class IMatrix3

extends IMatrix
implements IMatrix3I

Class of 3x3 numerical matrix.

Author:
  Satoru Sugihara

Field Summary

Fields inherited from class igeo.IMatrix
`columnNum, rowNum, val`

Constructor Summary
`IMatrix3()`
`IMatrix3(double v11, double v12, double v13, double v21, double v22, double v23, double v31, double v32, double v33)`
`IMatrix3(IMatrix3 m)`

Method Summary
`IMatrix3` | `cp()` alias of dup()
`double` | `determinant()`
`IMatrix3` | `dup()`
`IMatrix3` | `get()`
`static IMatrix3` | `getRotation(IVec axis, double angle)`
`static IMatrix3` | `getXRotation(double angle)`
`static IMatrix3` | `getYRotation(double angle)`
`static IMatrix3` | `getZRotation(double angle)`
`IMatrix3` | `invert()`
`IMatrix3` | `mul(IMatrix3 m)` m is applied from right side and update the content of this without creating new instance.
`IMatrix3` | `mul(IMatrix3I m)`
`IVec` | `mul(IVec v)` vector is treated as vertical vector
`IVec2` | `mul(IVec2 v)` vector is treated as vertical vector
`IVec2` | `mul(IVec2I v)` vector is treated as vertical vector
`IVec` | `mul(IVecI v)` vector is treated as vertical vector
`IMatrix3` | `set(double v11, double v12, double v13, double v21, double v22, double v23, double v31, double v32, double v33)`
`IMatrix3` | `set(IDoubleI v11, IDoubleI v12, IDoubleI v13, IDoubleI v21, IDoubleI v22, IDoubleI v23, IDoubleI v31, IDoubleI v32, IDoubleI v33)`

Methods inherited from class igeo.IMatrix
`add, add, columnNum, columnNum, columnNum, det, determinant, determinant, div, div, get, get, get, mul, mul, mul, mul, rowNum, rowNum, rowNum, set, set, set, set, set, set, setId, setRange, setZero, sub, sub, toArray, toArray, toString`

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

Methods inherited from interface igeo.IMatrixI
`add, columnNum, columnNum, columnNum, determinant, determinant, div, div, get, get, get, mul, mul, mul, rowNum, rowNum, rowNum, set, set, set, set, set, setId, setZero, sub`

Constructor Detail

### IMatrix3

    public IMatrix3()

### IMatrix3

    public IMatrix3(double v11,
                    double v12,
                    double v13,
                    double v21,
                    double v22,
                    double v23,
                    double v31,
                    double v32,
                    double v33)

### IMatrix3

    public IMatrix3(IMatrix3 m)

Method Detail

### get

    public IMatrix3 get()

  Specified by:
    `get` in interface `IMatrix3I`
  Specified by:
    `get` in interface `IMatrix3Op`
  Specified by:
    `get` in interface `IMatrixOp`
  Specified by:
    `get` in interface `IParameter`
  Overrides:
    `get` in class `IMatrix`

### set

    public IMatrix3 set(double v11,
                        double v12,
                        double v13,
                        double v21,
                        double v22,
                        double v23,
                        double v31,
                        double v32,
                        double v33)

  Specified by:
    `set` in interface `IMatrix3I`

### set

    public IMatrix3 set(IDoubleI v11,
                        IDoubleI v12,
                        IDoubleI v13,
                        IDoubleI v21,
                        IDoubleI v22,
                        IDoubleI v23,
                        IDoubleI v31,
                        IDoubleI v32,
                        IDoubleI v33)

  Specified by:
    `set` in interface `IMatrix3I`

### dup

    public IMatrix3 dup()

  Specified by:
    `dup` in interface `IMatrix3I`
  Specified by:
    `dup` in interface `IMatrixI`
  Overrides:
    `dup` in class `IMatrix`

### cp

    public IMatrix3 cp()

  Description copied from interface: `IMatrixI`
  alias of dup()

  Specified by:
    `cp` in interface `IMatrix3I`
  Specified by:
    `cp` in interface `IMatrixI`
  Overrides:
    `cp` in class `IMatrix`

### determinant

    public double determinant()

  Specified by:
    `determinant` in interface `IMatrixI`
  Overrides:
    `determinant` in class `IMatrix`

### invert

    public IMatrix3 invert()

  Specified by:
    `invert` in interface `IMatrixI`
  Overrides:
    `invert` in class `IMatrix`

### mul

    public IMatrix3 mul(IMatrix3 m)

  m is applied from right side and update the content of this without creating new instance. it returns itself.

### mul

    public IMatrix3 mul(IMatrix3I m)

  Specified by:
    `mul` in interface `IMatrix3I`

### mul

    public IVec mul(IVecI v)

  vector is treated as vertical vector

  Specified by:
    `mul` in interface `IMatrix3I`

### mul

    public IVec mul(IVec v)

  vector is treated as vertical vector

### mul

    public IVec2 mul(IVec2I v)

  vector is treated as vertical vector

  Specified by:
    `mul` in interface `IMatrix3I`

### mul

    public IVec2 mul(IVec2 v)

  vector is treated as vertical vector

### getXRotation

    public static IMatrix3 getXRotation(double angle)

### getYRotation

    public static IMatrix3 getYRotation(double angle)

### getZRotation

    public static IMatrix3 getZRotation(double angle)

### getRotation

    public static IMatrix3 getRotation(IVec axis,
                                       double angle)

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