I face the error of "In an assignment A(I) = B, the number of elements in B and I must be the same" when i want to create a loop a matrix. my simple short code given below, plz help me?

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clc clear x1=5; x2=3; x3=2; for i=1:3 if i==1 x1=6; elseif i==2 x1=7; elseif i==3 x1=8; end p(i)=[x1-x2 x3-x2; x2-x3 x1-x3] end

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Mahdi
Mahdi el 3 de Jun. de 2014
p(i) is one element, but you are trying to tell it to store multiple values, one of the following would fix your problem (Just replace it):
p(i,:)=[x1-x2 x3-x2; x2-x3 x1-x3]
or
p(:,i)=[x1-x2 x3-x2; x2-x3 x1-x3]
  2 comentarios
Mehedi
Mehedi el 4 de Jun. de 2014
Now i face another error of "Subscripted assignment dimension mismatch." plz, help me out
Mahdi
Mahdi el 4 de Jun. de 2014
This is a quick non-efficient fix to it.
clc
clear
p=[];
x1=5; x2=3; x3=2;
for i=1:3
if i==1
x1=6;
elseif i==2
x1=7;
elseif i==3
x1=8;
end
p=[p;x1-x2 x3-x2; x2-x3 x1-x3]
end

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