LSSTApplications
20.0.0
LSSTDataManagementBasePackage
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Conversions between shapelet basis types. More...
#include <ConversionMatrix.h>
Public Member Functions | |
Eigen::MatrixXd | getBlock (int n) const |
Return a block of the block-diagonal conversion matrix. More... | |
Eigen::MatrixXd | buildDenseMatrix () const |
Construct the full conversion matrix (should just be used for testing). More... | |
void | multiplyOnLeft (ndarray::Array< double, 1 > const &array) const |
Multiply the given array by the conversion matrix on the left in-place. More... | |
void | multiplyOnRight (ndarray::Array< double, 1 > const &array) const |
Multiply the given array by the conversion matrix on the right in-place. More... | |
ConversionMatrix (BasisTypeEnum input, BasisTypeEnum output, int order) | |
Construct a conversion matrix that maps the input basis to the output basis. More... | |
Static Public Member Functions | |
static void | convertCoefficientVector (ndarray::Array< double, 1 > const &array, BasisTypeEnum input, BasisTypeEnum output, int order) |
Convert a coefficient vector between basis types in-place. More... | |
static void | convertOperationVector (ndarray::Array< double, 1 > const &array, BasisTypeEnum input, BasisTypeEnum output, int order) |
Convert an operation (evaluation, integration) vector between basis types in-place. More... | |
Conversions between shapelet basis types.
The basis conversion matrix is block-diagonal and only needs to be computed once, so we cache the blocks in a hidden singleton and provide operations that act on shapelet matrices while taking advantage of the sparseness of the conversion.
Definition at line 42 of file ConversionMatrix.h.
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explicit |
Construct a conversion matrix that maps the input basis to the output basis.
Eigen::MatrixXd lsst::shapelet::ConversionMatrix::buildDenseMatrix | ( | ) | const |
Construct the full conversion matrix (should just be used for testing).
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static |
Convert a coefficient vector between basis types in-place.
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static |
Convert an operation (evaluation, integration) vector between basis types in-place.
Eigen::MatrixXd lsst::shapelet::ConversionMatrix::getBlock | ( | int | n | ) | const |
Return a block of the block-diagonal conversion matrix.
void lsst::shapelet::ConversionMatrix::multiplyOnLeft | ( | ndarray::Array< double, 1 > const & | array | ) | const |
Multiply the given array by the conversion matrix on the left in-place.
void lsst::shapelet::ConversionMatrix::multiplyOnRight | ( | ndarray::Array< double, 1 > const & | array | ) | const |
Multiply the given array by the conversion matrix on the right in-place.