怎样才能把M文件放到搜索路径上
function [mean,stdev] = stat(x)
n = length(x);
mean = sum(x)/n;
stdev = sqrt(sum((x-mean).^2/n));
??? function [mean,stdev] = stat(x)
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Error: Function definitions are not permitted at the prompt or in scripts.
这个编程错在那里，我想了半天也不能想出，请那位大哥教一下