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30 lines
913 B
30 lines
913 B
#ifndef IGL_PINV_H
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#define IGL_PINV_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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/// Compute the Moore-Penrose pseudoinverse
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///
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/// @param[in] A m by n matrix
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/// @param[in] tol tolerance (if negative then default is used)
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/// @param[out] X n by m matrix so that A*X*A = A and X*A*X = X and A*X =
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/// (A*X)' and (X*A) = (X*A)'
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///
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/// \deprecated Use `Eigen::CompleteOrthogonalDecomposition<Eigen::MatrixXd>`
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/// `.solve()` or `.pseudoinverse()` instead.
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template <typename DerivedA, typename DerivedX>
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void pinv(
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const Eigen::MatrixBase<DerivedA> & A,
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typename DerivedA::Scalar tol,
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Eigen::PlainObjectBase<DerivedX> & X);
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/// \overload
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template <typename DerivedA, typename DerivedX>
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void pinv(
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const Eigen::MatrixBase<DerivedA> & A,
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Eigen::PlainObjectBase<DerivedX> & X);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "pinv.cpp"
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#endif
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#endif
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