Dulmage-Mendelsohn matrix decomposition in Python
Matlab has a function called dmperm that computes the so-called
Dulmage–Mendelsohn decomposition of a n x n matrix.
From wikipedia, the Dulmage–Mendelsohn is a partition of the vertices of a bipartite graph into subsets, with the property that two adjacent vertices belong to the same subset if and only if they are paired with each other in a perfect matching of the graph.
Looking both on scipy and numpy, I could not find this function, nor some similar version. Is it possible to implement it using basic linear algebra operations?
Any idea if this is implemented in some Python package?
python matlab linear-algebra graph-theory matrix-decomposition
asked Nov 13 '18 at 8:53
linellolinello
3,49774982
add a comment |
Matlab has a function called dmperm that computes the so-called
Dulmage–Mendelsohn decomposition of a n x n matrix.
From wikipedia, the Dulmage–Mendelsohn is a partition of the vertices of a bipartite graph into subsets, with the property that two adjacent vertices belong to the same subset if and only if they are paired with each other in a perfect matching of the graph.
Looking both on scipy and numpy, I could not find this function, nor some similar version. Is it possible to implement it using basic linear algebra operations?
Any idea if this is implemented in some Python package?
python matlab linear-algebra graph-theory matrix-decomposition
asked Nov 13 '18 at 8:53
linellolinello
3,49774982
Something like this? casadi.sourceforge.net/v3.4.4/api/html/d7/d68/… Doc: web.casadi.org/python-api/#sparsity
– max9111
Nov 14 '18 at 12:41
add a comment |
Matlab has a function called dmperm that computes the so-called
Dulmage–Mendelsohn decomposition of a n x n matrix.
From wikipedia, the Dulmage–Mendelsohn is a partition of the vertices of a bipartite graph into subsets, with the property that two adjacent vertices belong to the same subset if and only if they are paired with each other in a perfect matching of the graph.
Looking both on scipy and numpy, I could not find this function, nor some similar version. Is it possible to implement it using basic linear algebra operations?
Any idea if this is implemented in some Python package?
python matlab linear-algebra graph-theory matrix-decomposition
asked Nov 13 '18 at 8:53
linellolinello
3,49774982
Matlab has a function called dmperm that computes the so-called
Dulmage–Mendelsohn decomposition of a n x n matrix.
From wikipedia, the Dulmage–Mendelsohn is a partition of the vertices of a bipartite graph into subsets, with the property that two adjacent vertices belong to the same subset if and only if they are paired with each other in a perfect matching of the graph.
Looking both on scipy and numpy, I could not find this function, nor some similar version. Is it possible to implement it using basic linear algebra operations?
Any idea if this is implemented in some Python package?
python matlab linear-algebra graph-theory matrix-decomposition
python matlab linear-algebra graph-theory matrix-decomposition
asked Nov 13 '18 at 8:53
linellolinello
3,49774982
asked Nov 13 '18 at 8:53
linellolinello
3,49774982
asked Nov 13 '18 at 8:53
linellolinello
3,49774982
asked Nov 13 '18 at 8:53
linellolinello
3,49774982
asked Nov 13 '18 at 8:53
linellolinello
3,49774982
3,49774982
Something like this? casadi.sourceforge.net/v3.4.4/api/html/d7/d68/… Doc: web.casadi.org/python-api/#sparsity
– max9111
Nov 14 '18 at 12:41
add a comment |
Something like this? casadi.sourceforge.net/v3.4.4/api/html/d7/d68/… Doc: web.casadi.org/python-api/#sparsity
– max9111
Nov 14 '18 at 12:41
Something like this? casadi.sourceforge.net/v3.4.4/api/html/d7/d68/… Doc: web.casadi.org/python-api/#sparsity
– max9111
Nov 14 '18 at 12:41
Something like this? casadi.sourceforge.net/v3.4.4/api/html/d7/d68/… Doc: web.casadi.org/python-api/#sparsity
– max9111
Nov 14 '18 at 12:41
add a comment |
1 Answer
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"Any idea if this is implemented in some Python package?"
Well as MATLAB have a Python API, this is definitely a yes. The package is called matlab.engine, and you can see here for installation. Note that you will probably have to install it with sudo rights.
For example usage let A be some matrix, then you can find the dmperm with
import matlab.engine
eng = matlab.engine.start_matlab()
#Define A
B = eng.dmperm(eng.double(A)) #Apply MATLABs dmperm
answered Nov 13 '18 at 14:10
Nicky MattssonNicky Mattsson
2,397725
add a comment |
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1 Answer
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1 Answer
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active
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active
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votes
"Any idea if this is implemented in some Python package?"
Well as MATLAB have a Python API, this is definitely a yes. The package is called matlab.engine, and you can see here for installation. Note that you will probably have to install it with sudo rights.
For example usage let A be some matrix, then you can find the dmperm with
import matlab.engine
eng = matlab.engine.start_matlab()
#Define A
B = eng.dmperm(eng.double(A)) #Apply MATLABs dmperm
answered Nov 13 '18 at 14:10
Nicky MattssonNicky Mattsson
2,397725
add a comment |
"Any idea if this is implemented in some Python package?"
Well as MATLAB have a Python API, this is definitely a yes. The package is called matlab.engine, and you can see here for installation. Note that you will probably have to install it with sudo rights.
For example usage let A be some matrix, then you can find the dmperm with
import matlab.engine
eng = matlab.engine.start_matlab()
#Define A
B = eng.dmperm(eng.double(A)) #Apply MATLABs dmperm
answered Nov 13 '18 at 14:10
Nicky MattssonNicky Mattsson
2,397725
add a comment |
"Any idea if this is implemented in some Python package?"
Well as MATLAB have a Python API, this is definitely a yes. The package is called matlab.engine, and you can see here for installation. Note that you will probably have to install it with sudo rights.
For example usage let A be some matrix, then you can find the dmperm with
import matlab.engine
eng = matlab.engine.start_matlab()
#Define A
B = eng.dmperm(eng.double(A)) #Apply MATLABs dmperm
answered Nov 13 '18 at 14:10
Nicky MattssonNicky Mattsson
2,397725
"Any idea if this is implemented in some Python package?"
Well as MATLAB have a Python API, this is definitely a yes. The package is called matlab.engine, and you can see here for installation. Note that you will probably have to install it with sudo rights.
For example usage let A be some matrix, then you can find the dmperm with
import matlab.engine
eng = matlab.engine.start_matlab()
#Define A
B = eng.dmperm(eng.double(A)) #Apply MATLABs dmperm
answered Nov 13 '18 at 14:10
Nicky MattssonNicky Mattsson
2,397725
edited Nov 13 '18 at 14:35
answered Nov 13 '18 at 14:10
Nicky MattssonNicky Mattsson
2,397725
answered Nov 13 '18 at 14:10
Nicky MattssonNicky Mattsson
2,397725
answered Nov 13 '18 at 14:10
Nicky MattssonNicky Mattsson
2,397725
2,397725
add a comment |
add a comment |
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Something like this? casadi.sourceforge.net/v3.4.4/api/html/d7/d68/… Doc: web.casadi.org/python-api/#sparsity
– max9111
Nov 14 '18 at 12:41