Variables interact each other in different equations.

Question

Ikjoo Hwang 2020-5-6

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/523313-variables-interact-each-other-in-different-equations

回答： Shubham Khatri 2021-2-5

If I want to solve two equations which use each result as a variable of each equations?

Trying to insult equation into other, but still cannot recognize as a setting value.

clear; clc; close all
TI = 30;
A1 = 0.200*1000; 
E1 = 20; L2 = 360;
L1 = 1050;
C1 = 0.1;
k1 = 0.33;
myu1 = 0.1;
theta1 = 1.5;
theta2 = 1.0;
W1 = 1400; W2 = W1;
V3 = 1300;
t_n = 10 ; 
t = 0:0.01:1 * t_n
V1 = W1 - (1-k1*(1-exp(-myu1*theta1)))*TI/C1 + T1/C1; % T1 Value is calculated from below equation
V2 = W2 - (1-k1*(1-exp(-myu1*theta2)))*T1/C1 + T2/C1; % T1, T2 Value is calculated from below equation
T1 = (TI.*V1 - exp(-(V2*t)/L1).*(TI.*V1 - A1*E1*V1 + A1*E1*V2) - A1*E1*V1 + A1*E1*V2)/V2; % V1, V2 Value is calculated from above equation
T2 = (T1.*V2 - exp(-(V3*t)/L2).*(T1.*V2 - A1*E1*V2 + A1*E1*V3) - A1*E1*V2 + A1*E1*V3)/V3; % V2 Value is calculated from above equation
plot(t, T1,'red')
hold on
plot(t, T2, 'Blue')
hold off

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Answer 1

Shubham Khatri 2021-2-5

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/523313-variables-interact-each-other-in-different-equations#answer_615772

Hello,

To my understanding, you can set an initial values to the variables and then you can run the program in loop with approximation functions to get the results.

Hope it helps.