Package org.ejml.dense.row.linsol.chol

Class LinearSolverChol_ZDRM

  • All Implemented Interfaces:
    org.ejml.interfaces.linsol.LinearSolver<org.ejml.data.ZMatrixRMaj,​org.ejml.data.ZMatrixRMaj>, org.ejml.interfaces.linsol.LinearSolverDense<org.ejml.data.ZMatrixRMaj>
    public class LinearSolverChol_ZDRM
extends LinearSolverAbstract_ZDRM

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.ejml.interfaces.decomposition.CholeskyDecomposition_F64<org.ejml.data.ZMatrixRMaj> getDecomposition()  
      void invert​(org.ejml.data.ZMatrixRMaj inv)
      Sets the matrix 'inv' equal to the inverse of the matrix that was decomposed.
      boolean modifiesA()  
      boolean modifiesB()  
      double quality()  
      boolean setA​(org.ejml.data.ZMatrixRMaj A)  
      void setToInverseL​(double[] a)
      Sets the matrix to the inverse using a lower triangular matrix.
      void solve​(org.ejml.data.ZMatrixRMaj B, org.ejml.data.ZMatrixRMaj X)
      Using the decomposition, finds the value of 'X' in the linear equation below:
      A*x = b
      where A has dimension of n by n, x and b are n by m dimension.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • setA

        public boolean setA​(org.ejml.data.ZMatrixRMaj A)

      • quality

        public double quality()

      • solve

        public void solve​(org.ejml.data.ZMatrixRMaj B,
                  org.ejml.data.ZMatrixRMaj X)

        Using the decomposition, finds the value of 'X' in the linear equation below:
        A*x = b
        where A has dimension of n by n, x and b are n by m dimension.

        *Note* that 'b' and 'x' can be the same matrix instance.

        Parameters:
        B - A matrix that is n by m. Not modified.
        X - An n by m matrix where the solution is writen to. Modified.

      • invert

        public void invert​(org.ejml.data.ZMatrixRMaj inv)
        Sets the matrix 'inv' equal to the inverse of the matrix that was decomposed.
        Specified by:
        invert in interface org.ejml.interfaces.linsol.LinearSolverDense<org.ejml.data.ZMatrixRMaj>
        Overrides:
        invert in class LinearSolverAbstract_ZDRM
        Parameters:
        inv - Where the value of the inverse will be stored. Modified.

      • setToInverseL

        public void setToInverseL​(double[] a)
        Sets the matrix to the inverse using a lower triangular matrix.

      • modifiesA

        public boolean modifiesA()

      • modifiesB

        public boolean modifiesB()

      • getDecomposition

        public org.ejml.interfaces.decomposition.CholeskyDecomposition_F64<org.ejml.data.ZMatrixRMaj> getDecomposition()