specmat.h File Reference

Definitions of special vectors and matrices. More...

#include <itpp/base/vec.h>
#include <itpp/base/mat.h>
#include <itpp/base/converters.h>
#include <itpp/itexports.h>

Go to the source code of this file.

Namespaces
namespace	itpp
	itpp namespace

Functions
ivec	itpp::find (const bvec &invector)
	Return a integer vector with indicies where bvec == 1.
ITPP_EXPORT vec	itpp::ones (int size)
	A float vector of ones.
ITPP_EXPORT bvec	itpp::ones_b (int size)
	A Binary vector of ones.
ITPP_EXPORT ivec	itpp::ones_i (int size)
	A Int vector of ones.
ITPP_EXPORT cvec	itpp::ones_c (int size)
	A float Complex vector of ones.
ITPP_EXPORT mat	itpp::ones (int rows, int cols)
	A float (rows,cols)-matrix of ones.
ITPP_EXPORT bmat	itpp::ones_b (int rows, int cols)
	A Binary (rows,cols)-matrix of ones.
ITPP_EXPORT imat	itpp::ones_i (int rows, int cols)
	A Int (rows,cols)-matrix of ones.
ITPP_EXPORT cmat	itpp::ones_c (int rows, int cols)
	A Double Complex (rows,cols)-matrix of ones.
ITPP_EXPORT vec	itpp::zeros (int size)
	A Double vector of zeros.
ITPP_EXPORT bvec	itpp::zeros_b (int size)
	A Binary vector of zeros.
ITPP_EXPORT ivec	itpp::zeros_i (int size)
	A Int vector of zeros.
ITPP_EXPORT cvec	itpp::zeros_c (int size)
	A Double Complex vector of zeros.
ITPP_EXPORT mat	itpp::zeros (int rows, int cols)
	A Double (rows,cols)-matrix of zeros.
ITPP_EXPORT bmat	itpp::zeros_b (int rows, int cols)
	A Binary (rows,cols)-matrix of zeros.
ITPP_EXPORT imat	itpp::zeros_i (int rows, int cols)
	A Int (rows,cols)-matrix of zeros.
ITPP_EXPORT cmat	itpp::zeros_c (int rows, int cols)
	A Double Complex (rows,cols)-matrix of zeros.
ITPP_EXPORT mat	itpp::eye (int size)
	A Double (size,size) unit matrix.
ITPP_EXPORT bmat	itpp::eye_b (int size)
	A Binary (size,size) unit matrix.
ITPP_EXPORT imat	itpp::eye_i (int size)
	A Int (size,size) unit matrix.
ITPP_EXPORT cmat	itpp::eye_c (int size)
	A Double Complex (size,size) unit matrix.
template<class T >
void	itpp::eye (int size, Mat< T > &m)
	A non-copying version of the eye function.
vec	itpp::impulse (int size)
	Impulse vector.
vec	itpp::linspace (double from, double to, int length=100)
	linspace (works in the same way as the MATLAB version)
template<class T >
Vec< T >	itpp::linspace_fixed_step (T from, T to, T step=1)
	linspace_fixed_step (works in the same way as "from:step:to" in MATLAB)
vec	itpp::zigzag_space (double t0, double t1, int K=5)
	Zig-zag space function (variation on linspace)
imat	itpp::hadamard (int size)
	Hadamard matrix.
imat	itpp::jacobsthal (int p)
	Jacobsthal matrix.
imat	itpp::conference (int n)
	Conference matrix.
template<typename Num_T >
const Mat< Num_T >	itpp::toeplitz (const Vec< Num_T > &c, const Vec< Num_T > &r)
	Generate Toeplitz matrix from two vectors c and r.
template<typename Num_T >
const Mat< Num_T >	itpp::toeplitz (const Vec< Num_T > &c)
	Generate symmetric Toeplitz matrix from vector c.
const cmat	itpp::toeplitz (const cvec &c)
	Generate symmetric Toeplitz matrix from vector c (complex valued)
mat	itpp::rotation_matrix (int dim, int plane1, int plane2, double angle)
	Create a rotation matrix that rotates the given plane angle radians. Note that the order of the planes are important!
void	itpp::house (const vec &x, vec &v, double &beta)
	Calcualte the Householder vector.
void	itpp::givens (double a, double b, double &c, double &s)
	Calculate the Givens rotation values.
void	itpp::givens (double a, double b, mat &m)
	Calculate the Givens rotation matrix.
mat	itpp::givens (double a, double b)
	Calculate the Givens rotation matrix.
void	itpp::givens_t (double a, double b, mat &m)
	Calculate the transposed Givens rotation matrix.
mat	itpp::givens_t (double a, double b)
	Calculate the transposed Givens rotation matrix.

Detailed Description

Definitions of special vectors and matrices.

Author

Tony Ottosson, Tobias Ringstrom, Pal Frenger, Adam Piatyszek and Erik G. Larsson

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Copyright (C) 1995-2010 (see AUTHORS file for a list of contributors)

This file is part of IT++ - a C++ library of mathematical, signal processing, speech processing, and communications classes and functions.

IT++ is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

IT++ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with IT++. If not, see http://www.gnu.org/licenses/.

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Definition in file specmat.h.