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

| 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) More...
imat | itpp::hadamard (int size)
| Hadamard matrix. More...
imat | itpp::jacobsthal (int p)
| Jacobsthal matrix. More...
imat | itpp::conference (int n)
| Conference matrix. More...
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`. More...
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

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/.

Definition in file specmat.h.

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