About a for loop matrix

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Ming Ki Lee
Ming Ki Lee 2017-1-25
编辑： Walter Roberson 2017-1-25
for k=2:mx-1
for j=2:mx-2
A(k,j-1) = (D*dt)/dx^(2)+U*dt/(2*dx);
break
end
break
end
I set there is a zeros matrix with mx column and mx row and I want to find the points (2,1), (3,2), (4,3), (5,4) etc. Now it only show 1 column at (2,1) point. But if I delete two breaks, it will keep loop the second loop. How can I fix this???

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Walter Roberson
Walter Roberson 2017-1-25
编辑：Walter Roberson 2017-1-25
for k=2:mx-1
j=k+2;
A(k,j-1) = (D*dt)/dx^(2)+U*dt/(2*dx);
end

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