`format longl=1/2;u=1/3;I=[1,0,0;0,1,0;0,0,1];A=[4,3,3;2,4,1;3,1,2];B=det(A)*inv(A);G_1=[1/3,0,0;0,1/2,0;0,0,1];G_2=[1/4,0,0;0,1/5,0;0,0,1/6];T=[1,0,0;0,1,0;0,0,1];F = [1/2,0,0;0,1/2,0;0,0,1/2];i=1;x(1) =1;y(1) =1;z(1) =1;X_i=[x(i);y(i);z(i)];for i = 1:100 a_i = 1/i^(1/2); t = 1/5; Z_i = X_i-t*[(I-inv(I+l*G_1))*X_i + B*((I-inv(I+u*G_2)))*A*X_i]; i = i+1; X_i = a_i*F*X_i+(1-a_i)*T*Z_i E(i) = norm(X_i); L(i) = ((x(i+1) - x(i))^3 + (y(i+1) - y(i))^3 + (z(i+1) - z(i))^3)^(1/3); % main problem is here`

endn=[2:1:100];plot(n,E(n))

# MATLAB: In a ‘for loop’ not getting difference of two consecutive iteration

for loopMATLAB

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