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thiti prasertjitsun


Last seen: 3 years ago |  Active since 2019

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bvp4c show Singular Jacobian Error Message
Why Program Error - Error using bvp4c (line 251) Unable to solve the collocation equations -- a singular Jacobian encountere...

5 years ago | 0 answers | 0

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Question


How to plot u1 and u2 in program ???
I want to plot graph u1 and u2. But I can't plot. And I'm not sure write u1 and u2 is a function are correct. function optimal_...

5 years ago | 0 answers | 0

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Question


How to solve system in Matlab2018b ?
clear all syms S I R mu gam bet N u u1 u2 lam1 lam2 lam3 % State equations DS = mu*N-bet*I*S-mu*S-u1; DI = bet*I*S-(gam+mu)*...

5 years ago | 0 answers | 0

0

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Question


Solving differential equations backward in time
I have a system of differential equations with specail boundary conditions: diff(S(t), t) = -K(t)*S(t)/N, diff(K(t), t) = K(t)*...

5 years ago | 1 answer | 0

1

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Question


How to solve in MATLAB 2018b ???
Hello, I was trying to solve a system equation. clear all % State equations syms x1 x2 p1 p2 u; Dx1 = x2; Dx2 = -x2 + u; %...

5 years ago | 2 answers | 2

2

answers