Abdelrahman Said
64 lines
2.8 KiB
C
64 lines
2.8 KiB
C
/*
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igraph library.
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Copyright (C) 2013-2025 The igraph development team <igraph@igraph.org>
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef IGRAPH_EMBEDDING_H
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#define IGRAPH_EMBEDDING_H
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#include "igraph_decls.h"
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#include "igraph_datatype.h"
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#include "igraph_error.h"
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#include "igraph_arpack.h"
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#include "igraph_eigen.h"
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IGRAPH_BEGIN_C_DECLS
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IGRAPH_EXPORT igraph_error_t igraph_adjacency_spectral_embedding(const igraph_t *graph,
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igraph_int_t no,
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const igraph_vector_t *weights,
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igraph_eigen_which_position_t which,
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igraph_bool_t scaled,
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igraph_matrix_t *X,
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igraph_matrix_t *Y,
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igraph_vector_t *D,
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const igraph_vector_t *cvec,
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igraph_arpack_options_t *options);
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typedef enum {
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IGRAPH_EMBEDDING_D_A = 0,
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IGRAPH_EMBEDDING_I_DAD,
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IGRAPH_EMBEDDING_DAD,
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IGRAPH_EMBEDDING_OAP
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} igraph_laplacian_spectral_embedding_type_t;
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IGRAPH_EXPORT igraph_error_t igraph_laplacian_spectral_embedding(const igraph_t *graph,
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igraph_int_t no,
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const igraph_vector_t *weights,
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igraph_eigen_which_position_t which,
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igraph_laplacian_spectral_embedding_type_t type,
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igraph_bool_t scaled,
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igraph_matrix_t *X,
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igraph_matrix_t *Y,
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igraph_vector_t *D,
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igraph_arpack_options_t *options);
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IGRAPH_EXPORT igraph_error_t igraph_dim_select(const igraph_vector_t *sv, igraph_int_t *dim);
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IGRAPH_END_C_DECLS
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#endif
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