Pavel
MathWorks MOOC Program
2013 年からアクティブ
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質問
Symbolic solution for system of equations
Hello. I'm trying to solve symbolically a equation of type M*Z_DDot+C*Z_Dot+K*Z=F, where M, C, K and F are 3x3 matrices. I want ...
10年弱 前 | 1 件の回答 | 0
1
回答質問
Frequency and amplitude of a spring damper system in simulink
Hi. I'm working at a spring-damper system in Simulink and until now i managed to get the displacement of the mass. How do i get ...
10年以上 前 | 1 件の回答 | 0
1
回答質問
One half sine wave simulink
Hi. I'm trying to simulate using Simulink a quarter car model as it passes over a obstacle. My problem is that the obstacle has ...
10年以上 前 | 2 件の回答 | 0
2
回答質問
More plot area ezplot
Hi. I ploteted 2 symbolic functions and I need to see on plot where they have the common domain. When I move my plot to the left...
11年以上 前 | 2 件の回答 | 0
2
回答質問
Plot a function and one of his conditions
Hy. How do i do this plot? <http://upload.wikimedia.org/wikipedia/commons/e/ed/Lagrange_very_simple.svg> The function is :...
11年以上 前 | 0 件の回答 | 0
0
回答質問
Optimize a 2 variable function
I'm trying for a very long time to optimize this function: V(a,b)=(26*(2000*cos((pi*a)/180) + (sin((pi*(a + 45))/180)*((260...
11年以上 前 | 1 件の回答 | 0
1
回答質問
Set random true vpasolve
Hy. I want to solve a system of nonliniar equations and I need multiple solutions. So I try to set random true for the vpasolve ...
11年以上 前 | 0 件の回答 | 0
0
回答質問
Find all solutions of a system of equations
I have a problem in which i need to find the maximum of the function "V". For those positive values to be the global maximum of ...
11年以上 前 | 1 件の回答 | 0
1
回答質問
Huge value of angle
After running a code, I get for a and b, which in my case represent angle values huge values. When i ask Matlab to compute sin(a...
11年以上 前 | 1 件の回答 | 0
1
回答質問
Solve a system of 3 equations with 3 unknowns
I have the folowing code. My 3 equations are diff_f1, diff_f2 and diff_f3 with the unkowns a,b,c. I need to make the equations e...
12年弱 前 | 1 件の回答 | 0
1
回答質問
Differentiate big symbolic function
I have this code: if true clear all clc % a=alpha1; b=alpha2; c=betha syms a b c N1 N2 N3 N21 N31 n2 n21 n3 l1 l2 l...
12年弱 前 | 1 件の回答 | 0
1
回答回答済み
store repetitive data results
clc r=100; x=cell(90,1); for k=1:90; for thet=0:5:180; %unghiul elementului conduc?tor a=1; b=0; c=-5*r^2...
store repetitive data results
clc r=100; x=cell(90,1); for k=1:90; for thet=0:5:180; %unghiul elementului conduc?tor a=1; b=0; c=-5*r^2...
12年以上 前 | 0
質問
store repetitive data results
I can't really explain what i want to do, but i will try my best. I have an repetitive form(for) that for every input value it...
12年以上 前 | 3 件の回答 | 0
3
回答質問
Select one root of an second degree equation
i have solved a second degree equation in matlab using the roots() command and i want only one root to be displayed. How do i do...
12年以上 前 | 4 件の回答 | 0
