Armadillo_C++linearalgebralibrary.rar_armadillo_armadillo库文档资源-CSDN文库

共1个文件

pdf：1个

版权申诉

armadillo

atlas

linear_algebra

44 浏览量 2022-09-14 23:40:02 上传评论收藏 1.56MB RAR 举报

资源详情

资源评论

资源推荐

收起资源包目录

Armadillo_ C++ linear algebra library.rar （1个子文件）

Armadillo_ C++ linear algebra library.pdf 1.85MB

2017/6/17 Armadillo: C++ linear algebra library

http://arma.sourceforge.net/docs.html#attributes 1/259

Armadillo

C++ linear algebra library

About Questions License Documentation Speed Contact Download

API Documentation for Armadillo 7.950

Preamble

For converting Matlab/Octave programs, see the syntax conversion

table

First time users: please see the short example program

If you discover any bugs or regressions, please report them

History of API additions

Please cite the following article if you use Armadillo in your research and/or

software. Citations are useful for the continued development and maintenance

of the library.

Conrad Sanderson and Ryan Curtin.

Armadillo: a template-based C++ library for linear algebra.

Journal of Open Source Software, Vol. 1, pp. 26, 2016.

Overview

matrix, vector, cube and field classes

member functions & variables

generated vectors / matrices / cubes

functions of vectors / matrices / cubes

decompositions, factorisations, inverses and equation solvers (dense matrices)

decompositions, factorisations, and equation solvers (sparse matrices)

signal & image processing

statistics and clustering

miscellaneous (constants, configuration)

Matrix, Vector, Cube and Field Classes

Mat<type>, mat, cx_mat dense matrix class

2017/6/17 Armadillo: C++ linear algebra library

http://arma.sourceforge.net/docs.html#attributes 2/259

Col<type>, colvec, vec dense column vector class

Row<type>, rowvec dense row vector class

Cube<type>, cube, cx_cube dense cube class ("3D matrix")

field<object type> class for storing arbitrary objects in matrix-like or cube-like layouts

SpMat<type>, sp_mat, sp_cx_mat sparse matrix class

operators + - * / % == != <= >= < >

Member Functions & Variables

attributes .n_rows, .n_cols, .n_elem, .n_slices, ...

element access element/object access via (), [] and .at()

element initialisation set elements via << operator or initialiser list

.zeros set all elements to zero

.ones set all elements to one

.eye set elements along main diagonal to one and off-diagonal elements to zero

.randu / .randn set all elements to random values

.fill set all elements to specified value

.imbue imbue (fill) with values provided by functor or lambda function

.replace replace specific elements with a new value

.transform transform each element via functor or lambda function

.for_each apply a functor or lambda function to each element

.set_size change size without keeping elements (fast)

.reshape change size while keeping elements

.resize change size while keeping elements and preserving layout

.copy_size change size to be same as given object

.reset change size to empty

submatrix views read/write access to contiguous and non-contiguous submatrices

subcube views read/write access to contiguous and non-contiguous subcubes

subfield views read/write access to contiguous subfields

.diag read/write access to matrix diagonals

2017/6/17 Armadillo: C++ linear algebra library

http://arma.sourceforge.net/docs.html#attributes 3/259

.each_col / .each_row repeated operations on each column or row of matrix

.each_slice repeated operations on each slice of cube

.set_imag / .set_real set imaginary/real part

.insert_rows/cols/slices insert vector/matrix/cube at specified row/column/slice

.shed_rows/cols/slices remove specified rows/columns/slices

.swap_rows/cols swap specified rows or columns

.swap swap contents with given object

.memptr raw pointer to memory

.colptr raw pointer to memory used by specified column

iterators (matrices) STL-style iterators and associated member functions for matrices and vectors

iterators (cubes) STL-style iterators and associated member functions for cubes

STL container functions STL-style container functions

.t / .st return matrix transpose

.i return inverse of square matrix

.min / .max return extremum value

.index_min / .index_max return index of extremum value

.eval force evaluation of delayed expression

.in_range check whether given location or span is valid

.is_empty check whether object is empty

.is_square check whether matrix is square sized

.is_vec check whether matrix is a vector

.is_sorted check whether vector or matrix is sorted

.is_finite check whether all elements are finite

.has_inf check whether any element is +-Inf

.has_nan check whether any element is NaN

.print print object to std::cout or user specified stream

.raw_print print object without formatting

.save/.load (matrices & cubes) save/load matrices and cubes in files or streams

.save/.load (fields) save/load fields in files or streams

2017/6/17 Armadillo: C++ linear algebra library

http://arma.sourceforge.net/docs.html#attributes 4/259

Generated Vectors/Matrices/Cubes

eye generate identity matrix

linspace generate vector with linearly spaced elements

logspace generate vector with logarithmically spaced elements

ones generate object filled with ones

randi generate object with random integer values in specified interval

randu / randn generate object with random values (uniform and normal distributions)

randg generate object with random values (gamma distribution)

regspace generate vector with regularly spaced elements

speye generate sparse identity matrix

spones generate sparse matrix with non-zero elements set to one

sprandu / sprandn generate sparse matrix with non-zero elements set to random values

toeplitz generate Toeplitz matrix

zeros generate object filled with zeros

Functions of Vectors/Matrices/Cubes

abs obtain magnitude of each element

accu accumulate (sum) all elements

all check whether all elements are non-zero, or satisfy a relational condition

any check whether any element is non-zero, or satisfies a relational condition

approx_equal approximate equality

arg phase angle of each element

as_scalar convert 1x1 matrix to pure scalar

clamp obtain clamped elements according to given limits

cond condition number of matrix

conj obtain complex conjugate of each element

conv_to convert between matrix types

cross cross product

cumsum cumulative sum

cumprod cumulative product

det determinant

diagmat generate diagonal matrix from given matrix or vector

diagvec extract specified diagonal

diff differences between adjacent elements

dot / cdot / norm_dot dot product

2017/6/17 Armadillo: C++ linear algebra library

http://arma.sourceforge.net/docs.html#attributes 5/259

eps obtain distance of each element to next largest floating point representation

expmat matrix exponential

expmat_sym matrix exponential (symmetric)

find find indices of non-zero elements, or elements satisfying a relational condition

find_finite find indices of finite elements

find_nonfinite find indices of non-finite elements

find_unique find indices of unique elements

fliplr / flipud reverse order of columns or rows

imag / real extract imaginary/real part

ind2sub convert linear index to subscripts

index_min / index_max indices of extremum values

inplace_trans in-place transpose

is_finite check whether all elements are finite

join_rows / join_cols concatenation of matrices

join_slices concatenation of cubes

kron Kronecker tensor product

log_det log determinant

logmat matrix logarithm

logmat_sympd matrix logarithm (symmetric)

min / max return extremum values

nonzeros return non-zero values

norm various norms of vectors and matrices

normalise normalise vectors to unit p-norm

prod product of elements

rank rank of matrix

rcond reciprocal of condition number

repmat replicate matrix in block-like fashion

reshape change size while keeping elements

resize change size while keeping elements and preserving layout

shift shift elements

shuffle randomly shuffle elements

size obtain dimensions of given object

sort sort elements

sort_index vector describing sorted order of elements

sqrtmat square root of matrix

sqrtmat_sympd square root of matrix (symmetric)

sum sum of elements

sub2ind convert subscripts to linear index

评论收藏

内容反馈

版权申诉

小波思基

粉丝: 70
资源: 1万+

Armadillo_ C++ linear algebra library.rar_armadillo_armadillo库文档

评论0

最新资源

Armadillo_ C++ linear algebra library.rar_armadillo_armadillo库文档

评论0

Armadillo Find Protected 2.1.rar_ArmaFP_Armadillo arm_armadillo_

Armadillo tools 比较全的脱壳工具

脱壳Armadillo 1.xx - 2.xx -> Silicon Realms Toolworks

arma_marriedbak_C++_armadillo_ARMA_

SoftwarePassport_Armadillo_Pro_7.00

C++ 线性代数库 Armadillo C++ Library

Armadillo__API_Reference

Armadillo_Find_Protected_V1.8汉化版

Armadillo_V6.04免费版

GTWR_Addin_expired202212.zip

C++ 线性代数库 Armadillo C++ Library 2.2.3

脱壳机Armadillo 3.78 - 4.xx -> Silicon Realms Toolwork

armadillo-9.850.1.tar.xz

akt-master_armadillo_Protection_ArmaKeyToolsv0.4_

armadillo C++矩阵运算库

armadillo-9.400.3.tar.xz

armadillo C++矩阵运算函数库

mpc.zip_C++ MPC求解_MPC，c++_mpc c++_mpc的c++算法_模型预测控制算法

armadillo-10.1.0.tar.xz

冰河的渗透实战笔记-冰河.pdf

大灰狼远控2021最新版，解压密码222

J-LINK V10 V11固件.rar

ISO21434.pdf

Web安全漏洞扫描工具-AWVS14

CTF 竞赛入门指南（ctf-all-in-one）.pdf

Web中间件常见漏洞总结.pdf

stm32f103 adc采样+dma传输+fft处理 频率计_fft处理_stm32_ADCFFT_频率计_ADC采样_

jts-1.14.zip

CobaltStrike4.4.zip

最新资源

stm32f103 adc采样+dma传输+fft处理频率计_fft处理_stm32_ADCFFT_频率计_ADC采样_