| Name | mumpspy JSON |
| Version |
1.3.2
JSON |
| download |
| home_page | None |
| Summary | MUMPS for Python |
| upload_time | 2024-10-04 13:36:42 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | >=3.8 |
| license | MIT License Copyright (c) 2018 Vladimir Lukes Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| keywords |
sparse
solver
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
MUMPSpy
=======
A python wrapper for the sparse direct solver.
The wrapper allows:
* real and complex factorization of symmetric or non-symmetric matrices
* Schur complement calculation
Requirements
------------
* [MUMPS](http://mumps-solver.org) - MUltifrontal Massively Parallel sparse
direct Solver
* [mpi4py](http://mpi4py.scipy.org/) - Python bindings for MPI
Ubuntu/Debian users can use the following command to install the required
packages:
apt-get install python-mpi4py libmumps-dev
Installation
------------
pip install mumpspy
Usage
-----
```python
import mumpspy
import numpy as np
import scipy.sparse as sp
row = np.array([0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3])
col = np.array([0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 0, 1])
val = np.array([1, 2, 2, 1, 1, 3, -1, 2, 1, 1, 3, 1], dtype='d')
b = np.array([15, 12, 3, 5], dtype='d')
A = sp.coo_matrix((val, (row, col)), shape=(4, 4))
solver = mumpspy.MumpsSolver() # initialize solver, real-valued system
solver.set_mtx(A) # set sparse matrix
x = solver.solve(b) # solve system for a given right-hand side
print(x)
```
Compatibility
-------------
Tested for the following MUMPS library versions:
* 4.10.0
* 5.0.2
* 5.1.2
* 5.2.1
* 5.4.1
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