Finding equilibrium in matlab

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Aseel Alamri
Aseel Alamri on 10 Nov 2020
Answered: Pranav Verma on 8 Dec 2020
I am trying to find the equilibrium fo three different equtions.
clear all;
syms V(t) a b v1 v2 v3
time = [3.46
4.58
5.67
6.64
7.63
8.41
9.32
10.27
11.19
12.39
13.42
15.19
16.24
17.23
18.18
19.29
21.23
21.99
24.33
25.58
26.43
27.44
28.43
30.49
31.34
32.34
33
35.2
36.34
37.29
38.5
39.67
41.37
42.58
45.39
46.38
48.29
49.24
50.19
51.14
52.1
54
56.33
57.33
59.38];
Volume = [0.0158
0.0264
0.0326
0.0445
0.0646
0.0933
0.1454
0.2183
0.2842
0.4977
0.6033
0.8441
1.2163
1.447
2.3298
2.5342
3.0064
3.4044
3.2046
4.5241
4.3459
5.1374
5.5376
4.8946
5.066
6.1494
6.8548
5.9668
6.6945
6.6395
6.8971
7.2966
7.2268
6.8815
8.0993
7.2112
7.0694
7.4971
6.9974
6.7219
7.0523
7.1095
7.0694
8.0562
7.2268];
a1 = 0.4340;
b1 = 0.2158;
a2 = 0.3389;
b2 = 0.0489;
a3 = 0.2375;
b3 = 0.1179;
solB = solve ( a1*V(t)^(2/3) - b1*V(t) ==0, v1)
solL = solve (a2*V(t) - b2*V(t)^(2)==0, v2)
solG = solve(a3*V(t) - b3*V(t)*log(V(t)) ==0 , v3)
This what gives me:
  5 Comments
Stephan
Stephan on 10 Nov 2020
Sorry, i can not follow. Please clarify what you want to do. What is the expected result? For what are the vectors for time and Volume? Your question is unclear to me.

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