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clear,clc
N=5;
syms w P
wp(1)=-1/1.6886;
wp(2)=1/1.3199;
wp(3)=1/1.7433;
for i=4:N
     wp(i)=0;
end
P(1)=1;
P(2)=w-wp(1);
for i=3:N
      P(i)=-P(i-2).*(1-w.*w(i-1)).^2*((1-wp(i).^2)./(1-wp(i-1).^2)).^(1/2)+P(i-1).*(w-wp(i)+(w-wp(i-1)).*((1-wp(i).^2)./(1-wp(i-1).^2)).^(1/2));
end
±¨´í/////////////??? Error using ==> mupadmex
Error in MuPAD command: Index exceeds matrix
dimensions.

Error in ==> sym.sym>sym.subsref at 1366
            B =
            mupadmex('mllib::subsref',A.s,inds{:});

Error in ==> Untitled3 at 13
      P(i)=-P(i-2).*(1-w.*w(i-1)).^2*((1-wp(i).^2)./(1-wp(i-1).^2)).^(1/2)+P(i-1).*(w-wp(i)+(w-wp(i-1)).*((1-wp(i).^2)./(1-wp(i-1).^2)).^(1/2));

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