BiCG

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## no.uib.cipr.matrix.sparse
Class BiCG

    java.lang.Object
      no.uib.cipr.matrix.sparse.AbstractIterativeSolver
          no.uib.cipr.matrix.sparse.BiCG

All Implemented Interfaces:
  IterativeSolver

    public class BiCG

extends AbstractIterativeSolver

BiCG solver. BiCG solves the unsymmetric linear system `Ax = b` using the Preconditioned BiConjugate Gradient method.

Field Summary

Fields inherited from class no.uib.cipr.matrix.sparse.AbstractIterativeSolver
`iter, M`

Constructor Summary
`BiCG(Vector template)` Constructor for BiCG.

Method Summary
`Vector` | `solve(Matrix A, Vector b, Vector x)` Solves the given problem, writing result into the vector.

Methods inherited from class no.uib.cipr.matrix.sparse.AbstractIterativeSolver
`checkSizes, getIterationMonitor, getPreconditioner, setIterationMonitor, setPreconditioner`

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

Constructor Detail

### BiCG

    public BiCG(Vector template)

  Constructor for BiCG. Uses the given vector as template for creating scratch vectors. Typically, the solution or the right hand side vector can be passed, and the template is not modified

  Parameters:
    `template` - Vector to use as template for the work vectors needed in the solution process

Method Detail

### solve

    public Vector solve(Matrix A,
                        Vector b,
                        Vector x)
                 throws IterativeSolverNotConvergedException

  Description copied from interface: `IterativeSolver`
  Solves the given problem, writing result into the vector.

  Parameters:
    `A` - Matrix of the problem
    `b` - Right hand side
    `x` - Solution is stored here. Also used as initial guess
  Returns:
    The solution vector x
  Throws:
    `IterativeSolverNotConvergedException`

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