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dt=[.1 .001]; |
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figure(); |
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hold on |
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x=[0:dt(2):3]'; |
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y_n=zeros(length(x),2); |
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y_n(1,:)=[1,0]; |
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for i=2:length(x) |
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dy=prob3_ode(x,y_n(i-1,:)); |
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y_n(i,:)=y_n(i-1,:)+ dt(2)*dy; |
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end |
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plot(x,cos(3*x),x,y_n(:,1)) |
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legend('Analytical','Euler','Location','Northeast') |
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