public class RingMatrix extends Matrix
Modifier and Type | Field and Description |
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protected static int |
ARRAY_2D
Storage format identifier.
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protected Ring.Member[][] |
matrix
Array containing the elements of the matrix.
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CLASS_SPECIFIC, numCols, numRows, storageFormat
Modifier | Constructor and Description |
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protected |
RingMatrix(int rows,
int cols,
int storeID)
Constructs a matrix.
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|
RingMatrix(Ring.Member[][] array)
Constructs a matrix by wrapping an array.
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Modifier and Type | Method and Description |
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AbelianGroup.Member |
add(AbelianGroup.Member m)
Returns the addition of this matrix and another.
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RingMatrix |
add(RingMatrix m)
Returns the addition of this matrix and another.
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RingMatrix |
directSum(RingMatrix m)
Returns the direct sum of this matrix and another.
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boolean |
equals(java.lang.Object m)
Compares two matrices for equality.
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protected void |
finalize()
Finalize.
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Ring.Member |
getElement(int i,
int j)
Returns an element of the matrix.
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Ring.Member |
multiply(Ring.Member m)
Returns the multiplication of this matrix and another.
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RingMatrix |
multiply(RingMatrix m)
Returns the multiplication of this matrix and another.
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AbelianGroup.Member |
negate()
Returns the negative of this matrix.
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VectorSpace.Member |
scalarDivide(Field.Member x)
Returns the division of this matrix by a scalar.
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Module.Member |
scalarMultiply(Ring.Member r)
Returns the multiplication of this matrix by a scalar.
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void |
setElement(int i,
int j,
Ring.Member r)
Sets the value of an element of the matrix.
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AbelianGroup.Member |
subtract(AbelianGroup.Member m)
Returns the subtraction of this matrix and another.
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RingMatrix |
subtract(RingMatrix m)
Returns the subtraction of this matrix and another.
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RingMatrix |
tensorProduct(RingMatrix m)
Returns the tensor product of this matrix and another.
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java.lang.String |
toString()
Returns a string representing this matrix.
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Matrix |
transpose()
Returns the transpose of this matrix.
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columns, getInvalidElementMsg, rows
protected static final int ARRAY_2D
protected Ring.Member[][] matrix
protected RingMatrix(int rows, int cols, int storeID)
public RingMatrix(Ring.Member[][] array)
array
- an assigned valueprotected void finalize() throws java.lang.Throwable
finalize
in class java.lang.Object
java.lang.Throwable
- Any that occur.public boolean equals(java.lang.Object m)
equals
in class java.lang.Object
m
- a matrixpublic java.lang.String toString()
toString
in class java.lang.Object
public Ring.Member getElement(int i, int j)
i
- row index of the elementj
- column index of the elementMatrixDimensionException
- If attempting to access an invalid element.public void setElement(int i, int j, Ring.Member r)
i
- row index of the elementj
- column index of the elementr
- a ring elementMatrixDimensionException
- If attempting to access an invalid element.public AbelianGroup.Member negate()
public AbelianGroup.Member add(AbelianGroup.Member m)
m
- a group memberpublic RingMatrix add(RingMatrix m)
m
- a matrixMatrixDimensionException
- If the matrices are different sizes.public AbelianGroup.Member subtract(AbelianGroup.Member m)
m
- a group memberpublic RingMatrix subtract(RingMatrix m)
m
- a matrixMatrixDimensionException
- If the matrices are different sizes.public Module.Member scalarMultiply(Ring.Member r)
r
- a ring element.public VectorSpace.Member scalarDivide(Field.Member x)
x
- a field element.public Ring.Member multiply(Ring.Member m)
m
- a ring memberpublic RingMatrix multiply(RingMatrix m)
m
- a matrixMatrixDimensionException
- If the matrices are incompatible.public RingMatrix directSum(RingMatrix m)
public RingMatrix tensorProduct(RingMatrix m)