How to solve the following equations with a given data. I need the correct coding to solve .
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shunmugam hemalatha
el 30 de Jun. de 2020
Comentada: shunmugam hemalatha
el 30 de Jun. de 2020
clc
clear all
D=1600;
C0=400;
Ch=10;
Cb=600;
Gamma=0.7;
Cl=2000;
b=250;
lamda=0.09;
beta=0.1;
syms Q,r
solve(Q,r);
r=(( Gamma*((Cb*D)-((1+Lamda)*Ch*Q)))+(Cl*(1-Gamma)*D))*b)/(((1-Gamma)*(((1+Lamda)*Ch*Q)+(Cl*D)))+(Gamma*Cb*D));
Q=(2*(Q^beta)*b*D)+(b*(Q^2)*Ch*(1+lamda))-((Gamma*Cb*D)+(Cl*(1-Gamma)*D)*((r^2)-(2*r*b)+(b^2)));
r=solve(subs(Q));
Answer Q=1455 and r = 247.5
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Respuestas (1)
madhan ravi
el 30 de Jun. de 2020
The below code is the way to solve them but the answer is no way near to get what you want , you have to experiment yourself to check if you input the eqautions properly.
D=1600;
C0=400;
Ch=10;
Cb=600;
Gamma=0.7;
Cl=2000;
b=250;
Lamda=0.09;
beta=0.1;
syms Q r positive
eq = [ ((Gamma*((Cb*D)-((1+Lamda)*Ch*Q)))+(Cl*(1-Gamma)*D)*b) /...
(((1-Gamma)*(((1+Lamda)*Ch*Q)+(Cl*D)))+(Gamma*Cb*D));...
(2*(Q^beta)*b*D)+(b*(Q^2)*Ch*(1+Lamda))-...
((Gamma*Cb*D)+(Cl*(1-Gamma)*D)*((r^2)-(2*r*b)+(b^2)))];
[Q,r] = solve(eq,'real',1)
double(Q)
double(r)
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