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java.lang.Objectmaspack.matrix.MatrixBase
maspack.matrix.DenseMatrixBase
maspack.matrix.Matrix4dBase
maspack.matrix.Matrix4d
public class Matrix4d
A general 4 x 4 matrix with the elements stored as explicit fields.
Nested Class Summary |
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Nested classes/interfaces inherited from interface maspack.matrix.Matrix |
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Matrix.Partition, Matrix.WriteFormat |
Field Summary | |
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static Matrix4d |
IDENTITY
Global identity matrix. |
static Matrix4d |
ZERO
Global zero matrix. |
Fields inherited from class maspack.matrix.Matrix4dBase |
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m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, m30, m31, m32, m33 |
Fields inherited from interface maspack.matrix.Matrix |
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INDEFINITE, POSITIVE_DEFINITE, SPD, SYMMETRIC |
Constructor Summary | |
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Matrix4d()
Creates a matrix and initializes it to zero. |
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Matrix4d(double[] vals)
Creates a matrix and initializes its elements from an array of values. |
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Matrix4d(Matrix M)
Creates a matrix and initializes its elements to those of the matrix M. |
Method Summary | |
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void |
add(Matrix4dBase M1)
Adds this matrix to M1 and places the result in this matrix. |
void |
add(Matrix4dBase M1,
Matrix4dBase M2)
Adds matrix M1 to M2 and places the result in this matrix. |
boolean |
invert(Matrix4dBase M)
Inverts the matrix M and places the result in this matrix, return false if M is detected to be singular. |
void |
mul(Matrix4dBase M1)
Multiplies this matrix by M1 and places the result in this matrix. |
void |
mul(Matrix4dBase M1,
Matrix4dBase M2)
Multiplies matrix M1 by M2 and places the result in this matrix. |
boolean |
mulInverse(Matrix4dBase M1)
Multiplies this matrix by the inverse of M1 and places the result in this matrix. |
boolean |
mulInverseBoth(Matrix4dBase M1,
Matrix4dBase M2)
Multiplies the inverse of matrix M1 by the inverse of M2 and places the result in this matrix. |
boolean |
mulInverseLeft(Matrix4dBase M1,
Matrix4dBase M2)
Multiplies the inverse of matrix M1 by M2 and places the result in this matrix. |
boolean |
mulInverseRight(Matrix4dBase M1,
Matrix4dBase M2)
Multiplies matrix M1 by the inverse of M2 and places the result in this matrix. |
void |
mulTranspose(Matrix4dBase M1)
Multiplies this matrix by the transpose of M1 and places the result in this matrix. |
void |
mulTransposeBoth(Matrix4dBase M1,
Matrix4dBase M2)
Multiplies the transpose of matrix M1 by the transpose of M2 and places the result in this matrix. |
void |
mulTransposeLeft(Matrix4dBase M1,
Matrix4dBase M2)
Multiplies the transpose of matrix M1 by M2 and places the result in this matrix. |
void |
mulTransposeRight(Matrix4dBase M1,
Matrix4dBase M2)
Multiplies matrix M1 by the transpose of M2 and places the result in this matrix. |
void |
negate(Matrix4dBase M1)
Sets this matrix to the negative of M1. |
void |
scale(double s)
Scales the elements of this matrix by s . |
void |
scale(double s,
Matrix4dBase M1)
Scales the elements of matrix M1 by s and places the
results in this matrix. |
void |
scaledAdd(double s,
Matrix4dBase M1)
Computes s M1 and adds the result to this matrix. |
void |
scaledAdd(double s,
Matrix4dBase M1,
Matrix4dBase M2)
Computes s M1 + M2 and places the result in this matrix. |
void |
setColumns(Vector4d v0,
Vector4d v1,
Vector4d v2,
Vector4d v3)
Sets the columns of this matrix to the vectors v0, v1, v2, and v3. |
void |
setDiagonal(double[] vals)
Sets this matrix to a diagonal matrix whose values are specified by the array vals. |
void |
setDiagonal(Vector4d diag)
Sets this matrix to a diagonal matrix whose values are specified by diag. |
void |
setRandom()
Sets the elements of this matrix to uniformly distributed random values in the range -0.5 (inclusive) to 0.5 (exclusive). |
void |
setRandom(double lower,
double upper)
Sets the elements of this matrix to uniformly distributed random values in a specified range. |
void |
setRandom(double lower,
double upper,
java.util.Random generator)
Sets the elements of this matrix to uniformly distributed random values in a specified range, using a supplied random number generator. |
void |
setRows(Vector4d v0,
Vector4d v1,
Vector4d v2,
Vector4d v3)
Sets the rows of this matrix to the vectors v0, v1, v2, and v3. |
void |
setZero()
Sets the elements of this matrix to zero. |
void |
sub(Matrix4dBase M1)
Subtracts this matrix from M1 and places the result in this matrix. |
void |
sub(Matrix4dBase M1,
Matrix4dBase M2)
Subtracts matrix M1 from M2 and places the result in this matrix. |
void |
transpose(Matrix4dBase M1)
Takes the transpose of matrix M1 and places the result in this matrix. |
Methods inherited from class maspack.matrix.Matrix4dBase |
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clone, colSize, determinant, epsilonEquals, equals, frobeniusNorm, get, get, getColumn, getColumn, getColumn, getRow, getRow, getRow, infinityNorm, invert, mul, mul, mul, mulInverse, mulInverse, mulInverseTranspose, mulInverseTranspose, mulTranspose, mulTranspose, negate, oneNorm, rowSize, set, set, set, setColumn, setColumn, setIdentity, setRow, setRow, transpose |
Methods inherited from class maspack.matrix.DenseMatrixBase |
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add, checkConsistency, set, set, set, set, setCCSValues, setColumn, setCRSValues, setRow, setSubMatrix |
Methods inherited from class maspack.matrix.MatrixBase |
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containsNaN, epsilonEquals, equals, get, getCCSIndices, getCCSIndices, getCCSValues, getCCSValues, getColumn, getCRSIndices, getCRSIndices, getCRSValues, getCRSValues, getDefaultFormat, getRow, getSize, getSubMatrix, hasNaN, idString, isFixedSize, isSymmetric, mul, mul, mulAdd, mulAdd, mulAdd, mulTranspose, mulTranspose, mulTranspose, mulTransposeAdd, mulTransposeAdd, mulTransposeAdd, numNonZeroVals, numNonZeroVals, scan, setCRSValues, setDefaultFormat, setSize, toString, toString, toString, trace, write, write, write, write, write, writeToFile |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface maspack.matrix.Matrix |
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epsilonEquals, equals, getCCSIndices, getCCSIndices, getCCSValues, getCCSValues, getColumn, getCRSIndices, getCRSIndices, getCRSValues, getCRSValues, getRow, getSize, getSubMatrix, isFixedSize, isSymmetric, mul, mul, mulAdd, mulAdd, mulAdd, mulTranspose, mulTranspose, mulTranspose, mulTransposeAdd, mulTransposeAdd, mulTransposeAdd, numNonZeroVals, numNonZeroVals, scan, setSize, toString, trace, write, write, write |
Field Detail |
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public static final Matrix4d IDENTITY
public static final Matrix4d ZERO
Constructor Detail |
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public Matrix4d()
public Matrix4d(double[] vals)
vals
- element values for the matrix, with element (i,j) stored at location
i*4+j
public Matrix4d(Matrix M)
M
- matrix object to be copied.Method Detail |
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public void setColumns(Vector4d v0, Vector4d v1, Vector4d v2, Vector4d v3)
v0
- values for the first columnv1
- values for the second columnv2
- values for the third columnv3
- values for the fourth columnpublic void setRows(Vector4d v0, Vector4d v1, Vector4d v2, Vector4d v3)
v0
- values for the first rowv1
- values for the second rowv2
- values for the third rowv3
- values for the fourth rowpublic void mul(Matrix4dBase M1)
M1
- right-hand matrixpublic void mul(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrixpublic void mulTranspose(Matrix4dBase M1)
M1
- right-hand matrixpublic void mulTransposeLeft(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrixpublic void mulTransposeRight(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrixpublic void mulTransposeBoth(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrixpublic boolean mulInverse(Matrix4dBase M1)
M1
- right-hand matrix
public boolean mulInverseRight(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrix
public boolean mulInverseLeft(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrix
public boolean mulInverseBoth(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrix
public void add(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrixpublic void add(Matrix4dBase M1)
M1
- right-hand matrixpublic void sub(Matrix4dBase M1, Matrix4dBase M2)
M1
- left-hand matrixM2
- right-hand matrixpublic void sub(Matrix4dBase M1)
M1
- right-hand matrixpublic void scale(double s)
s
.
s
- scaling factorpublic void scale(double s, Matrix4dBase M1)
s
and places the
results in this matrix.
s
- scaling factorM1
- matrix to be scaledpublic void scaledAdd(double s, Matrix4dBase M1, Matrix4dBase M2)
s
- scaling factorM1
- matrix to be scaledM2
- matrix to be addedpublic void scaledAdd(double s, Matrix4dBase M1)
s
- scaling factorM1
- matrix to be scaled and addedpublic void negate(Matrix4dBase M1)
M1
- matrix to negatepublic void transpose(Matrix4dBase M1)
M1
- matrix to take the transpose ofpublic void setZero()
public void setRandom()
public void setRandom(double lower, double upper)
lower
- lower random value (inclusive)upper
- upper random value (exclusive)public void setRandom(double lower, double upper, java.util.Random generator)
lower
- lower random value (inclusive)upper
- upper random value (exclusive)generator
- random number generatorpublic boolean invert(Matrix4dBase M)
M
- matrix to invert
public void setDiagonal(Vector4d diag)
diag
- diagonal valuespublic void setDiagonal(double[] vals)
vals
- diagonal values
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