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-   -   [问题] 谁能帮我解释一下这段代码吗? (https://www.labfans.com/bbs/showthread.php?t=13000)

yuanbashou 2011-03-21 20:18

谁能帮我解释一下这段代码吗?
 
function fv = Funval(f,varvec,varval)
var = findsym(f);
varc = findsym(varvec);
s1 = length(var);
s2 = length(varc);
m =floor((s1-1)/3+1);
varv = zeros(1,m);
if s1 ~= s2

for i=0: ((s1-1)/3)
k = findstr(varc,var(3*i+1));
index = (k-1)/3;
varv(i+1) = varval(index+1);
end
fv = subs(f,var,varv);
else
fv = subs(f,varvec,varval);
end

这是一个子函数,练习里面好多程序都直接调用它,看了老半天,也没看懂是求什么的?

求助
谢谢


所有时间均为北京时间。现在的时间是 21:19

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