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Packages that use RealMatrix | |
org.apache.commons.math.linear | Linear algebra support. |
Uses of RealMatrix in org.apache.commons.math.linear |
Classes in org.apache.commons.math.linear that implement RealMatrix | |
class |
RealMatrixImpl
Implementation for RealMatrix using a double[][] array to store entries and LU decompostion to support linear system solution and inverse. |
Methods in org.apache.commons.math.linear that return RealMatrix | |
RealMatrix |
RealMatrix.copy()
Returns a (deep) copy of this. |
RealMatrix |
RealMatrix.add(RealMatrix m)
Compute the sum of this and m. |
RealMatrix |
RealMatrix.subtract(RealMatrix m)
Compute this minus m. |
RealMatrix |
RealMatrix.scalarAdd(double d)
Returns the result of adding d to each entry of this. |
RealMatrix |
RealMatrix.scalarMultiply(double d)
Returns the result multiplying each entry of this by d. |
RealMatrix |
RealMatrix.multiply(RealMatrix m)
Returns the result postmultiplying this by m. |
RealMatrix |
RealMatrix.transpose()
Returns the transpose of this matrix. |
RealMatrix |
RealMatrix.inverse()
Returns the inverse of this matrix. |
RealMatrix |
RealMatrix.preMultiply(double[] v)
Returns the result of premultiplying this by the vector v . |
RealMatrix |
RealMatrix.solve(RealMatrix b)
Returns a matrix of (column) solution vectors for linear systems with coefficient matrix = this and constant vectors = columns of b . |
RealMatrix |
RealMatrixImpl.copy()
Create a new RealMatrix which is a copy of this. |
RealMatrix |
RealMatrixImpl.add(RealMatrix m)
Compute the sum of this and m . |
RealMatrix |
RealMatrixImpl.subtract(RealMatrix m)
Compute this minus m . |
RealMatrix |
RealMatrixImpl.scalarAdd(double d)
Returns the result of adding d to each entry of this. |
RealMatrix |
RealMatrixImpl.scalarMultiply(double d)
Returns the result multiplying each entry of this by d |
RealMatrix |
RealMatrixImpl.multiply(RealMatrix m)
Returns the result postmultiplying this by m . |
RealMatrix |
RealMatrixImpl.transpose()
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RealMatrix |
RealMatrixImpl.inverse()
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RealMatrix |
RealMatrixImpl.preMultiply(double[] v)
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RealMatrix |
RealMatrixImpl.solve(RealMatrix b)
Uses LU decomposition, performing the composition if the matrix has not been decomposed, or if there have been changes to the matrix since the last decomposition. |
protected RealMatrix |
RealMatrixImpl.getIdentity(int dimension)
Returns dimension x dimension identity matrix. |
Methods in org.apache.commons.math.linear with parameters of type RealMatrix | |
RealMatrix |
RealMatrix.add(RealMatrix m)
Compute the sum of this and m. |
RealMatrix |
RealMatrix.subtract(RealMatrix m)
Compute this minus m. |
RealMatrix |
RealMatrix.multiply(RealMatrix m)
Returns the result postmultiplying this by m. |
RealMatrix |
RealMatrix.solve(RealMatrix b)
Returns a matrix of (column) solution vectors for linear systems with coefficient matrix = this and constant vectors = columns of b . |
RealMatrix |
RealMatrixImpl.add(RealMatrix m)
Compute the sum of this and m . |
RealMatrix |
RealMatrixImpl.subtract(RealMatrix m)
Compute this minus m . |
RealMatrix |
RealMatrixImpl.multiply(RealMatrix m)
Returns the result postmultiplying this by m . |
RealMatrix |
RealMatrixImpl.solve(RealMatrix b)
Uses LU decomposition, performing the composition if the matrix has not been decomposed, or if there have been changes to the matrix since the last decomposition. |
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