37 lines
1.2 KiB
Python
Executable File
37 lines
1.2 KiB
Python
Executable File
###
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# Copyright 2008-2011 Diamond Light Source Ltd.
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# This file is part of Diffcalc.
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#
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# Diffcalc is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Diffcalc is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Diffcalc. If not, see <http://www.gnu.org/licenses/>.
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###
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try:
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import Jama
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from numjy import linalg
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from numjy.jama_matrix_wrapper import matrix
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JAMA = True
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except ImportError:
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JAMA = False
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def hstack(list_of_column_matrices):
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if not Jama:
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raise Exception('Jama not available, use numpy directly')
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ncol = len(list_of_column_matrices)
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nrow = list_of_column_matrices[0].shape[0]
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m = Jama.Matrix(nrow, ncol)
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for c, column_matrix in enumerate(list_of_column_matrices):
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m.setMatrix(0, nrow - 1, c, c, column_matrix.m)
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return matrix(m)
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