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Error using vertcat Dimensions of arrays being concatenated are not consistent. Error in TR1 (line 76) Jcob=[J1 J2;J3 J4;J5 J6];

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mukul anand
mukul anand 2019-8-27
关闭： MATLAB Answer Bot 2021-8-20
clc;
YBUS
IP_DATA
e=busdata(:,3);
f=busdata(:,11);
V=e+1i*f;
g=real(ybus);
b=imag(ybus);
y=g+1i*b;
J1=zeros(1,n);
for i=1:nbus
for k=1:nbus
if i==k
J1(i,i)=2*e(i)*g(i,i)+g(i,k)*e(k)-f(k)*b(i,k);
else
J1(i,k)= (e(i)*g(k,i)+f(i)*b(i,k));
end
end
end
J1;
% J1 Calculation
for i=1:nbus
for k=1:nbus
if i==k
J2(i,i)=2*f(i)*g(i,i)+g(i,k)*f(k)+b(i,k)*e(k);
else
J2(i,k)=f(i)*g(i,k)-e(i)*b(i,k);
end
end
end
J2;
% J2 Calculation
for i=2:nbus
for k=1:nbus
if i==k
J3(i,i)=-2*e(i)*b(i,i)-f(k)*g(i,k)-b(i,k)*e(k);
else
J3(i,k)=e(i)*b(i,k)+f(i)*g(i,k);
end
end
end
J3;
% J3 Calculated
for i=2:nbus
for k=1:nbus
if i==k
J4(i,i)=-2*f(i)*b(i,i)-f(k)*b(i,k)+g(i,k)*e(k);
else
J4(i,k)=-e(i)*g(i,k)+f(i)*b(i,i);
end
end
end
J4;
for i=2:nbus
for k=2:nbus
if i==k
J5= 2*e(i);
else
J5=0;
end
end
end
J5;
for i=2:nbus
for k=2:nbus
if i==k
J6= 2*f(i);
else
J6=0;
end
end
end
J6;
% Jacobian matrix
Jcob=[J1 J2;J3 J4;J5 J6];
I didn't know how to set J5 and J6 matrix same arrays as of J1,J2,J3 and J4.
Please help.

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