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optimize code in running time

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Sara
Sara 2012-9-3
关闭： MATLAB Answer Bot 2021-8-20
Hi, is there any suggestion that how can I optimize the code in running time below. Thanks in advance
lenx=length(x);
int = zeros(1,lenx);
dth2=dt/2;
c=(k-1)/factorial(k-1);
cmn=(lenx:-1:0)*dt;
ft1=cmn.^(c);
ft2 = (cmn+dt).^(c);
for n = 1:lenx-2
y1 = x(2:n+2) ;
t1 = ft1(lenx-n+1:lenx+1) ;
y2 = x(1:n+1) ;
t2 = ft2(lenx-n+1:lenx+1);
int(n+2) = sum (t1.*y1 + t2.*y2)*dth2 ;
end%for

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