逗号分隔或不返回MATLAB函数之间有什么区别? [英] What is the difference between comma separated or not MATLAB function return?

问题描述

我忘记了在MATLAB中某个函数的某些返回之间的逗号，并且它没有抱怨.

I forgot commas between some returns of a function in MATLAB and it did not complain.

function [returnA, returnB]=foo(paramA)
    returnA=ones(1,10).*paramA;
    returnB=magic(4);
end

function[]=voo()
    %typing the return as this
    [A,B]=foo(5);
    %gives the same result as
    [A B]=foo(5);
end

我的问题是:它是完全一样的行为吗?我在文档

My question is: is it exactly the same behavior? I was not able to find it in documentation

推荐答案

是的，行为与您在问题中提供的代码相同.

Yes, it is the same behavior, as seen with the code you provide in your question.

正如@LuisMendo在评论中指出的那样，如果您查看MATLAB的棉绒(又称代码分析器)消息在编辑器中，您将看到:

As @LuisMendo points out in the comments, if you look at the MATLAB's lint (aka Code Analyzer) message in the editor you'll see:

最佳做法是用逗号分隔输出变量

Best practice is to separate output variables with commas

这暗示着这两种语法都是有效的.至于为什么，我不确定这种情况，而且我找不到真正倾向于仅仅因为"的具体内容.正如@rayryeng在评论中指出的那样，它也可能与将语法与MATLAB的

Which implies that both syntaxes are valid. As to why this is the case I'm not sure, and I can't really find anything specific which tends to point towards "just because." As @rayryeng points out in the comments, it could also have to do with aligning syntax with MATLAB's comma-separated lists.

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