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azam ghamari


Last seen: 4 years ago |  Active since 2019

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How to import a transfer function from workspace into simulink?
Hi guys, I have a problem when I want to use the "from workspace" block in simulink to bring data to simulink, actually I wanted...

4 years ago | 2 answers | 0

2

answers

Question


in simulink for fourier transformation I do not get any answer in frequency output.
Hi guys I write a simulink file based on a youtube fim.(https://www.youtube.com/watch?v=bGOxBAVMFKw) I try to make it e.when...

4 years ago | 1 answer | 0

1

answer

Question


problem in taking the step response of a function
Hi guys I wonder why this code gives me (0) for steady state for step(T)? I expect that it gives me 1 in steady state as the i...

4 years ago | 1 answer | 0

1

answer

Question


pid tuning in simulink and matlab
Dear Sir/Madam I want to know why in block of PID in simulink the result of tuning regarding to setteling time and overshoot is...

4 years ago | 0 answers | 0

0

answers

Question


nonlinear model in simulink and designing pid controller
Hi guys when I design for a nonlinear model in simulink a pid controller, and I want to run the simulink, it gives me bellow i...

4 years ago | 1 answer | 0

1

answer

Question


solve the riccati equations in matlab
Hi guys I know how we can solve a Riccati equation in matlab. But this equation that I see in paper and named Riccati equation...

4 years ago | 1 answer | 0

1

answer

Answered
how with ode45 order we can solve a switching problem?
I see it , but I am not sure to undrestand some parts for example: isterminal(i) = 1 if the integration is to terminate when th...

4 years ago | 0

Question


how with ode45 order we can solve a switching problem?
Hi every one. I want to write a code like this with ode45. how can I do it? ode45(func) func: mode 1; if x>=550 mode =2; ...

4 years ago | 2 answers | 0

2

answers

Answered
how can I reach the unknown state by solving 2 inequalities in matlab?
Actually I don't get result, and I wonder why nobody helps me/answer me on this question? I will be thankful if anybody can help...

5 years ago | 0

Answered
how can I reach the unknown state by solving 2 inequalities in matlab?
yes, I solve that problem now but it gives me this: ans = Empty sym: 0-by-1 and what about the second part of my problem? ...

5 years ago | 0

Question


how can I reach the unknown state by solving 2 inequalities in matlab?
Hi guys. I have two questions: firstly : I wanna solve and inequal in matlab and I write below code: clear all; clc; close a...

5 years ago | 2 answers | 0

2

answers

Question


reach to phase portrait in a 4*4 matrix and plotting all of them in one figure (if possible), otherwise plotting them 2 by 2 versus to each other.
Hi guys. I wanna draw phase portarait of a matrix 4*4 that is solved for each of its 2 states based on each other. when I writ...

5 years ago | 0 answers | 0

0

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Answered
i want to solve a 10 equation, 10 states with fsolve , but it does not give me the answer.
no I write you code exactly and I comment the line fsolve, wrongly it's written here. However I write your code: with this myfu...

5 years ago | 0

Answered
it does not plot V1,V2 untill I put * in plot order. why?
yes it may works, thanyou, but I said about difference between using *- and not using. I said why it plot just when we use *-? ...

5 years ago | 0

| accepted

Answered
it does not plot V1,V2 untill I put * in plot order. why?
Dear Walter I read that, it says taht save the items in a vector and then plot, it isn't matter hear, my problem is that why wi...

5 years ago | 0

Answered
i want to solve a 10 equation, 10 states with fsolve , but it does not give me the answer.
thank you, but no it gives me this error: Error: File: Untitled2.m Line: 8 Column: 1 Function definitions are not permitted in...

5 years ago | 0

| accepted

Question


i want to solve a 10 equation, 10 states with fsolve , but it does not give me the answer.
HI Guys. Actually I want t o test that is there a 4x4 matrix named P which is positive and A1'*P+P1*A1 and also A2'*P+P1*A2 are ...

5 years ago | 3 answers | 0

3

answers

Question


it does not plot V1,V2 untill I put * in plot order. why?
Hi guys, I want to plot s/th in matlab. But my matlab does not give me the right answer until I put * in plot in V1,V2,x1 plot. ...

5 years ago | 3 answers | 0

3

answers

Question


having error "Attempt to execute SCRIPT plot as a function: C:\Azam\non-linear\files\plot.m" in matlab when I want to plot
Hi every one. I want to plot s/th in matlab, I don't know why it plots sometimes and some time it doesn't plot and give me this...

5 years ago | 1 answer | 0

1

answer