首先,将数值a转换为字符串形式:sa=num2str(a);接着,通过查找字符串中'0'字符的数量来计算0的个数:num=length(find(sa=='0'));这是一个简单且有效的统计0个数的方法。调用的脚本文件如下:num=0; for i=1:10 n 使用strfind命令 例如: s='hello world'; idx=strfind(s,'o'); %次数 length(idx) ...
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6.[a,b,v] = find(A),找出A中非零元素所在的行和列,分别存储在a和b中,并将结果放在v中. 例如:
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DiffMaxChange ))) end % Read in and error check option TypicalX [typicalx,ME] = getNumericOrStringFieldValue('TypicalX','ones(numberOfVariables,1)', ... ones(sizes.nVar,1),'a numeric value',options,defaultopt); if ~isempty(ME) throw(ME) end checkoptionsize('TypicalX', size(...
MATLAB中find函数的用法主要包括以下几点：基本用法：用于查找矩阵中等于特定数值的元素的位置。例如，indices = find;将返回矩阵A中所有等于target_value的元素的线性索引。查找满足特定条件的元素：find函数不仅限于查找等于特定值的元素，还可以查找满足其他条件的元素，如大于或小于某个值的元素。例如，...
도움 준 파일:findstringline 웹사이트 선택 번역된 콘텐츠를 보고 지역별 이벤트와 혜택을 살펴보려면 웹사이트를 선택하십시오. 현재 계신 지역에 따라 다음 웹사이트를 권장합니다...
Open in MATLAB Online I just installed the Parallel Computing Toolbox and tried to use the gpuArray function (on MATLAB R2021a) but recieved the following error: Errorusing gpuArray Unableto find a supported GPU device. For more information on GPU support, seeGPU Suppor...
% file. FILENAME is a string that specifies the name of the % graphics file, and FMT is a string that specifies the format % of the file. The file must be in the current directory or in % a directory on the MATLAB path. If IMFINFO cannot find a ...
Why are you using textscan to simply get a string. That's too overkill for a simple case like this. Simply use fgetl() if you want to get line by line, or use fread() if you want to suck up the whole file in one shot.