先描述一下问题,再GUI界面有个listbox,Tag属性是’listbox1’,里面是这样的数据,我的目的是要把这些数据转换成数值类型的矩阵: list_string = get(handles.listbox1,'string') data=str2num((list_string)); 使用上面两行代码进行转换却异常出错了!看后台的错误描述如下: ??? Error using ==> str2num Requi...
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Discard the empty strings and keep the substrings that represent numbers. N = N(strlength(N) > 0) N =3x1 string"10" "3" "5" Finally, convertNto a numeric array and sum over it. N = str2double(N); sum(N) ans = 18 For a list of functions that create pattern objects, seepatte...
% ALL versions of MATLAB (including "old style" ones) % * 'deleteadd' is the same as 'delete' followed by 'add' % extList - optional string or cell array of strings containing the file % extensions that should be associated with this version. Default is % all MATLAB file extension (...
(一般不用修改) % For a list of all processing functionstype: help nnprocess net.inputs{1}.processFcns ={'removeconstantrows','mapminmax'}; % 把训练数据分成三部分,训练网络、验 分享1赞 matlab吧 momei2009 求matlab 输入参数不足问题解决办法自定义了一个函数qz(X),X是之前运算得到的12*13矩阵...
dir – List folder contents Syntax dir dir name listing = dir(name) Description dirlists the files and folders in the MATLAB current folder. Results appear in the order returned by the operating system. dir namelists the files and folders that match the string name. When name is a folder,...
endif(~isempty(userExtList) && ~min(cellfun(@ischar, userExtList))) error('The file extension list must be a string or a cell array of strings!') endif(~ischar(fileStr)) error('The file to write to must be a string!')
This produces the diagram shown on the left side of Fig. 1.8. Additional parameters may be included in the function parameter list to increase marker size, provide color and fill the markers, and change marker symbol. Remarkably, different marker sizes can be set by using a vector for the ...
30、Doc = xmlread(fullfile(matlabroot,toolbox/matlab/general/info.xml);% Find a deep list of all elements.allListItems = xDoc.getElementsByTagName(listitem);%Note that the item list index is zero-based.for i=0:allListItems.getLength-1 thisListItem = allListItems.item(i); childNode = ...
2 function varlist(varargin) 3 fprintf('Number of arguments: %d\n',nargin); 4 celldisp(varargin) 1. 2. 3. 4. 1 % file: sizeout.m 2 function [s,varargout] = sizeout(x) 3 nout = max(nargout,1) - 1; 4 s = size(x); ...