solve first order ODE using MATLAB & Simulink

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This video explains how to solve first order ODE using MATLAB and SIMULINK..............
  1. Parminder Singh
  2. First Order ODE
  3. MATLAB
  4. SIMULINK
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Комментарии
Автор

Mr. Parminder
I enjoyed and learned a lot. I tried using a command line to compute where there is an x and a y.
How would you plot of t vs x(t) and y(t)

dx/dt(x, y)= -5x +3xy
dy/dt(x, y)= -3y+2xy

0<=x<=3, 0<=y<=3
-10<=t<=10

Critical points.
[0, 0], [3/2, 5/3]

Any help would be greatly appreciated.

brooksnelson
Автор

Very nice Mr, Parminder really a good work...
I have a query....let take a situation where we have 4-5 dynamic differential equations ..then we make a model for them ..
lets say it gets properly executed...now to take a control on data we go to command prompt ans use sim function....
I want to know what is the sequence of variables in what they are saved....
if i  use.
[t, It] = sim('modelname');
I have 4 vertical columns in It how to distinguish which variable is for which....

rahuldestty
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your equation becomes dx/dt + 2x - 1 = 0

So does this mean that actually the gain of 2 should be connected to the plus side of the summation and the input of 1 should be connected to the negative side?

SuperAllenZ
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nice job. please  include how to generate data and export from simulated graph  to excel in your other tutor. because I want to use generated data other purposes.

samsontilahun