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scipy tutorial - Baustatik-Info-Server

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SciPy Reference Guide, Release 0.8.dev<br />

(if disp == False) :<br />

errest : float<br />

1-norm of the estimated error, ||err||_1 / ||A||_1<br />

3.7.4 Iterative linear systems solutions<br />

These functions are deprecated - use <strong>scipy</strong>.sparse.linalg instead<br />

cg(*args, **kwds) <strong>scipy</strong>.linalg.cg is deprecated, use <strong>scipy</strong>.sparse.linalg.cg instead!<br />

cgs(*args, **kwds) <strong>scipy</strong>.linalg.cgs is deprecated, use <strong>scipy</strong>.sparse.linalg.cgs instead!<br />

qmr(*args, **kwds) <strong>scipy</strong>.linalg.qmr is deprecated, use <strong>scipy</strong>.sparse.linalg.qmr instead!<br />

gmres(*args, **kwds) <strong>scipy</strong>.linalg.gmres is deprecated, use <strong>scipy</strong>.sparse.linalg.gmres<br />

instead!<br />

bicg(*args, **kwds) <strong>scipy</strong>.linalg.bicg is deprecated, use <strong>scipy</strong>.sparse.linalg.bicg<br />

bicgstab(*args,<br />

**kwds)<br />

instead!<br />

<strong>scipy</strong>.linalg.bicgstab is deprecated, use<br />

<strong>scipy</strong>.sparse.linalg.bicgstab instead!<br />

cg(*args, **kwds)<br />

<strong>scipy</strong>.linalg.cg is deprecated, use <strong>scipy</strong>.sparse.linalg.cg instead!<br />

Use Conjugate Gradient iteration to solve A x = b<br />

Parameters<br />

A : {sparse matrix, dense matrix, LinearOperator}<br />

The N-by-N matrix of the linear system.<br />

b : {array, matrix}<br />

Right hand side of the linear system. Has shape (N,) or (N,1).<br />

cgs(*args, **kwds)<br />

<strong>scipy</strong>.linalg.cgs is deprecated, use <strong>scipy</strong>.sparse.linalg.cgs instead!<br />

Use Conjugate Gradient Squared iteration to solve A x = b<br />

Parameters<br />

A : {sparse matrix, dense matrix, LinearOperator}<br />

The N-by-N matrix of the linear system.<br />

b : {array, matrix}<br />

Right hand side of the linear system. Has shape (N,) or (N,1).<br />

qmr(*args, **kwds)<br />

<strong>scipy</strong>.linalg.qmr is deprecated, use <strong>scipy</strong>.sparse.linalg.qmr instead!<br />

Use Quasi-Minimal Residual iteration to solve A x = b<br />

Parameters<br />

A : {sparse matrix, dense matrix, LinearOperator}<br />

b<br />

The N-by-N matrix of the linear system.<br />

[{array, matrix}] Right hand side of the linear system. Has shape (N,) or (N,1).<br />

246 Chapter 3. Reference

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