error using / matrix dimensions must agree

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DEBASHIS PANDA 2016-4-21

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https://ww2.mathworks.cn/matlabcentral/answers/280282-error-using-matrix-dimensions-must-agree

编辑： Walter Roberson 2016-4-21

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Hello,

while running my programme i am getting an error message of error using / matrix dimension in following code.

After changing / to ./ form it is giving error message A(I)=B dimension of A and B must agree.

if i==n_oriff
           if P(i-1,j)>=P(i,j)
               b(i)=.3*.25*sqrt( 2*Cpf(i)/R*P(i-1,j)*P(i-1,j)/R/T(i-1,j)*((P(i,j)/P(i-1,j))^(2-2*R/Cpf(i))-(P(i,j)/P(i-1,j))^(2-R/Cpf(i))))+0.1*mdotn(i-1,j);
           else
               %b(i)=.3;
                b(i)=-.3*.25*sqrt(2*Cpf(i)/R*P(i,j)*P(i,j)/R/T(i,j)*((P(i-1,j)/P(i,j))^(2-2*R/Cpf(i))-(P(i-1,j)/P(i,j))^(2-R/Cpf(i))))+0.1*mdotn(i-1,j);
           end
end