specmat.cpp File Reference

Implementation of special vectors and matrices. More...

`#include <itpp/base/specmat.h>`
`#include <itpp/base/math/elem_math.h>`
`#include <itpp/base/math/log_exp.h>`
`#include <itpp/base/itcompat.h>`
`#include <itpp/base/matfunc.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.
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)
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...
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.
template void | itpp::eye (int, mat &)
| Template instantiation of eye.
template void | itpp::eye (int, bmat &)
| Template instantiation of eye.
template void | itpp::eye (int, imat &)
| Template instantiation of eye.
template void | itpp::eye (int, cmat &)
| Template instantiation of eye.
template vec | itpp::linspace_fixed_step (double, double, double)
| Template instantiation of linspace_fixed_step.
template ivec | itpp::linspace_fixed_step (int, int, int)
| Template instantiation of linspace_fixed_step.
template svec | itpp::linspace_fixed_step (short int, short int, short int)
| Template instantiation of linspace_fixed_step.

## Detailed Description

Implementation 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.cpp.

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