I want to find the position (indices) of a specifric number (8) in Y. I used ThemeCopy k=find(Y==8) But MATLAB gives the answer ThemeCopy k = 0×1 empty double column vector and does not show the indices. I think the problem is something with the "double". Does anyone...
[A,delimiterOut,headerlinesOut] = importdata(_) additionally returns the detected delimiter character for the input ASCII file in delimiterOut and the detected number of header lines in headerlinesOut, using any of the input arguments in the previous syntaxes. importdata函数主要特点是可以从文本文件...
Show All 132 MATLAB Support for MinGW-w64 C/C++/Fortran Compiler Install the MinGW-w64 C/C++/Fortran compiler for Windows Community Functions Show All 21,285 GRABIT Extract (pick out) data points off image files. Community Collections
'TypicalX','ones(numberOfVariables,1)', ... 'UseParallel',false ... ); % If just 'defaults' passed in, return the default options in X if nargin==1 && nargout <= 1 && strcmpi(FUN,'defaults') X = defaultopt; return end if nargin < 10 options = []; if nargin < 9 NONLCON...
numel Numberofelementsinanarrayorsubscriptedarrayexpression. N=numel(A)returnsthe numberofelements, N,inarrayA, equivalenttoPROD(SIZE(A)). 常见用法 n= numel(A) 语法说明 n = numel(A)返回数组 A 中的元素数目 n 等同于prod(size(A))。
% in pixels%% BitDepth An integer indicating the number of bits per% pixel%% ColorType A string indicating the type of image; this could% include, but is not limited to, 'truecolor' for a% truecolor (RGB) image, 'grayscale', for a grayscale...
桌面上的工作区浏览器(查看器)提供了一个方便的工作区可视化表示。您可以使用Array Editor查看甚至更改工作空间变量的值。要激活Array Editor,请单击Workspace浏览器中的变量,或者右键单击以获得更通用的上下文菜单。从上下文菜单中,您可以以各种方式绘制工作空间变量的图形。
(tour); % vertex numberBest=zeros([],1); % Array to Hold Best Cost ValuesBest(1,1)=Cost;zmin = -Cost;k=1;% Iterate until the tour is 2-optimalwhile zmin/Cost < -1e-6 k=k+1; zmin = 0; i = 0; b = tour(n); % Select the last vertex % Loop over all edge pairs (...
ans i, j:复数 Inf:∞ eps:2.2204e-016 NaN:not a number pi x = 1/0 x = log(0) x = inf / inf 那些字是keyword,我们不能用来作为变量名? iskeyword Matlab调用优先级 variable built-in function subfunction private function mex-file p-file m-file ...
S=’a’ ’’indicates everything in the middle is a string Abs(s) means that each character has its corresponding ASCII value Char() represents a string Num2str(65) is expressed as the number 65 converted into ’65’ Length(str) is expressed as the length of the string [the length incl...