How to increase speed of this code
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clc,clear,close all
format short
syms AX0
e=0.2;
OM=[1:100:20000];
ET=sqrt(-1);
A11 = 17.8*10^10;
A33 = 18.43*10^10;
A13 = 7.59*10^10;
%A56 = 1.89*10^10;
A55 = 4.357*10^10;
%A66 = 4.42*10^10;
A56=A55;
A66=A55;
AL15 = 37;
AL33 = 1.33;
AL31 = 12;
AL35 = 0.23;
GM11= 85.2;
GM33= 28.7;
RO=1.74*10^3;
NON=RO*(e^2).*(OM.^2);
NA55=A55-NON;
NA33=A33-NON;
NA11=A11-NON;
NA66=A66-NON;
AP2=NA11./NA55;
AP3=A33./NA55;
AP4=NA66./NA33;
AP44=A33./NA33;
AP24=(A13+A56);
AP25=AL15+AL31;
B1OKS=AP2-AP3*AX0;
B2OKS=AP4-AP44*AX0;
B3OKS=GM11/(AL33*AL33-GM33);
B1OK=sqrt(B1OKS);
B2OK=sqrt(B2OKS);
B3OK=sqrt(B3OKS);
APT1=AL15-AL33.*B1OKS;
APT2=AL15-AL33.*B2OKS;
APT3=AL15-AL33.*B3OKS;
AZT1=ET*AP25*B1OK./APT1;
AZT2=ET*AP25*B2OK./APT2;
AZT3=ET*AP25*B3OK./APT3;
AXT1=AP24.*AZT1./AP25;
AXT2=AP24.*AZT2./AP25;
AXT3=AP24.*AZT3./AP25;
A1=ET*A13-B1OK.*AZT1*A33-ET*AXT1*AL35+B1OK.*AXT1*AL33;
A2=ET*A13-B2OK.*AZT2*A33-ET*AXT2*AL35+B2OK.*AXT2*AL33;
A3=ET*A13-B3OK.*AZT3*A33-ET*AXT3*AL35+B3OK.*AXT3*AL33;
B1=ET*AZT1*A56-B1OK*A55-ET*AL31*AXT1+B1OK.*AXT1*AL35;
B2=ET*AZT2*A56-B2OK*A55-ET*AL31*AXT2+B2OK.*AXT2*AL35;
B3=ET*AZT3*A56-B3OK*A55-ET*AL31*AXT3+B3OK.*AXT3*AL35;
% CHARGE FREE
C1=ET*AL15-B1OK.*AZT1*AL33-B1OK.*AXT1*GM33;
C2=ET*AL15-B2OK.*AZT2*AL33-B2OK.*AXT2*GM33;
C3=ET*AL15-B3OK.*AZT3*AL33-B3OK.*AXT3*GM33;
AU= A1.*B2.*C3-A1.*B3.*C2-A2.*B1.*C3+A2.*B3.*C1+A3.*B1.*C2-A3.*B2.*C1;
W =[];
for i=1:numel(OM)
AUU=AU(:,i);
r= double(solve(AUU==0,AX0));
r1=(sqrt((A33*r)./RO));
W = [W,r1];
end
SP1=W(1,:);
SP2=W(2,:);
SP3=W(3,:);
SP4=W(4,:);
How I increase speed of runing of above code. It takes long time to run .
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Antworten (2)
Yongjian Feng
am 3 Jul. 2021
Hello Asha,
matlab provides profile for this purpose. (https://www.mathworks.com/help/matlab/ref/profile.html).
Try it please.
Thanks,
Yongjian
Heran Wang
am 3 Jul. 2021
I recommend the higher version of MATLAB.
The higher the vesion is, the faster the caculation will be.
For example, the MATLAB 2021a will two times faster than MATLAB 2017b.
Try it ~
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