Hi, thanks for the answer. In my problem I have a large sparse linear system to solve, where the matrix is already implemented using scipy.sparse. However in my version of ArcGIS (License type: Advanced) the module for sparse linear solvers is not included. My solution now is to convert the matrix as a dense numpy matrix and use the tools in numpy.linalg. This is only a partial solution because when I'll need to solve bigger problem I really need the full scipy package. PS Version 10.4.0.5524
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