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mariam ahmad


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Solve a system of fourth order coupled differential equations with bvp4c
function fluid beta=0.25; eta=0.2; gama=0.25; pr=0.5; lama=0.2; M=0.5; sc=0.2; n=0.1; sol = bvpinit(linspace(0,1,500),[...

4 years ago | 1 answer | 0

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Matrix Dimensions Must Agree Error, Error using +
-2*(D2*(q_(1,:)'))-2*pr.*(f_(1,:)').*(D1*(q_(1,:)'))... +2*pr.*A*(D1*(f_(1,:)')).*((q_(1,:)'))-de.*pr.*((A*(f_(1,:)'))....

8 years ago | 0 answers | 0

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Answered
Matrix dimensions must agree.
i can get graph if i give one value to pr ,but when i give more than one value it give me this error.

8 years ago | 0

Question


Matrix dimensions must agree.
q=sum(q_)'; pr= [0.2 0.5 1 1.5]; b0_(i,:)=pr.*((f_(1,:)')-M*(f_(1,:)').*(D1*(f_(1,:)'))-g.*M*(1+2.*y.*g).*((f_(1,:)').^...

8 years ago | 1 answer | 0

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Question


Subscript indices must either be real positive integers or logicals.
r=-(1+2*G.*y).*(D3*(f_(1,:))')-2*G.*(D2*(f_(1,:))')... -((f_(1,:))').*(D2*(f_(1,:))')+((D1*(f_(1,:))').^2)-((D2*(f_(...

8 years ago | 1 answer | 0

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