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java.lang.Objectcern.colt.matrix.tfloat.algo.solver.AbstractFloatIterativeSolver
cern.colt.matrix.tfloat.algo.solver.FloatGMRES
public class FloatGMRES
GMRES solver. GMRES solves the unsymmetric linear system Ax = b
using the Generalized Minimum Residual method. The GMRES iteration is
restarted after a given number of iterations. By default it is restarted
after 30 iterations.
Constructor Summary | |
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FloatGMRES(FloatMatrix1D template)
Constructor for GMRES. |
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FloatGMRES(FloatMatrix1D template,
int restart)
Constructor for GMRES. |
Method Summary | |
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void |
setRestart(int restart)
Sets the restart parameter |
FloatMatrix1D |
solve(FloatMatrix2D A,
FloatMatrix1D b,
FloatMatrix1D x)
Solves the given problem, writing result into the vector. |
Methods inherited from class cern.colt.matrix.tfloat.algo.solver.AbstractFloatIterativeSolver |
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getIterationMonitor, getPreconditioner, setIterationMonitor, setPreconditioner |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public FloatGMRES(FloatMatrix1D template)
template
- Vector to use as template for the work vectors needed in the
solution processpublic FloatGMRES(FloatMatrix1D template, int restart)
template
- Vector to use as template for the work vectors needed in the
solution processrestart
- GMRES iteration is restarted after this number of iterationsMethod Detail |
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public void setRestart(int restart)
restart
- GMRES iteration is restarted after this number of iterationspublic FloatMatrix1D solve(FloatMatrix2D A, FloatMatrix1D b, FloatMatrix1D x) throws IterativeSolverFloatNotConvergedException
FloatIterativeSolver
A
- Matrix of the problemb
- Right hand sidex
- Solution is stored here. Also used as initial guess
IterativeSolverFloatNotConvergedException
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