Birdman
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Someone who is interested in Mathematics, Control and Engineering. Also, music as a hobby.
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MEDIA DE ME GUSTA
Answer 10 questions that were unanswered for more than 30 days
Awarded to Birdman on 04 Dec 2019
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Contribute at least one answer each month for 6 consecutive months
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Feeds
Plotting a discrete impulse in Simulink
Try the attached model. See if it works for you. You can modify it.
casi 4 años hace | 0
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how to change a variable value in the middle of simulation in simulink
Try the attached model. Copy the structure and replace it with the pulse generation block. It should work. Instead of writing p ...
casi 4 años hace | 0
How can I save and plot all values of x and y for each value of C? x and y values are in the vertical axis and C in the horizontal axis in the graphic. I need to use the function "solve"
Try the following code: clear;clc; V=[1 2 3 4]; A=3; for i=1:numel(V) C(i)=A*V(i); syms x y eqn1=C(i)*x+y==2;...
casi 4 años hace | 0
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finding an equation of the tangent line to a curve at the given point in MATLAB
Actually, it is quite simple to do. For instance, let's define the equation symbolically in MATLAB: syms y(x) y(x)=4*x-3*x^2; ...
casi 4 años hace | 2
Solving differential equations with Simulink
If you consider the ramp imput as a function r(t)=t; then the equation becomes If you code this in MATLAB: syms x(t) eq=...
casi 4 años hace | 0
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External Mode Error in Simulink - Using TI Piccolo F2803x
The main thing about External Mode is that you need to make sure that the code is running on the hardware before you try to run ...
casi 4 años hace | 0
Simulink stateflow condition for single pulse input
Try the attached model. Note how the inside of Stateflow is built.
casi 4 años hace | 0
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Square approximation with a second degree polynomial, function determine.
Simply, you need to use Curve Fitting app for this purpose. Define your Xi and f(Xi) vectors in MATLAB workspace. Then open Curv...
casi 4 años hace | 1
| aceptada
How to have a implicit function of a symbolic variable in our expressions and calculations
Simply, you can define symbolic functions just like symbolic variables: syms x y z f(x) A=(3*x+5*y+3*z+5)*(f(x)+z); diff(A,x)...
casi 4 años hace | 0
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How to Find Kp,Ki for PI controller from Gain and Time Constant value Given
Simply, the conversion is as follows(Let K denote gain and Ti denote time constant): K*(1+1/(Ti*s)) is equal to Kp+Ki/s If y...
casi 4 años hace | 2
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computing a sequence of vectors
Try the following code: n=1;L=1;d=1;q=1;%randomly given syms alpha C=0.5*q*sin(alpha)*[L+d]; D=0.5*q*sin(alpha)*[L^2/d]; ...
casi 4 años hace | 0
| aceptada
How to analyze signal and make proper filter?
If you want to have a starting point, following code basically takes the psd of the signal, so that you will be able to obtain t...
casi 4 años hace | 0
How to put max function in symbolic function
Why would you try to name it as max? Simply, piecewise function in Symbolic toolbox would help you: syms x f(x)=piecewise(x<0,...
casi 4 años hace | 1
Pregunta
Receive Raw Ethernet Packet via Simulink
Hello, My question is simple: I would like to use Simulink, just like Wireshark, to capture and display raw ethernet packets. I...
más de 4 años hace | 1 respuesta | 0
1
respuestaDerivate a function with two variable dependent of time
The following might help: syms r(t) theta(t) f(r,theta) f=r^2+0.2*cos(theta)-0.03 To take partial derivative, use functionalD...
más de 4 años hace | 0
define tau in transfer function
The following might help: syms s t tau Cs=(1/s)*(1/(tau*s+1)); c(t,tau)=ilaplace(Cs) T=0:0.01:1; plot(T,c(T,0.1))
más de 4 años hace | 0
Pregunta
Capabilities of Building Standalone Simulation Applications in App Designer with Simulink Compiler
Hello everyone, For those who do not know, MATLAB released Simulink Compiler with 20a release which helps to build and deploy s...
más de 4 años hace | 0 respuestas | 0
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respuestasHow is derivative made in Matlab ?
syms v(t) v(t)=t.^3-6t.^2+7; a(t)=diff(v); result=a(3.5)
más de 4 años hace | 0
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Replacing characters in a string
One example(use regexprep): s="Yao Ming"; regexprep(s,{'Y','M'},{'J','Q'})
más de 4 años hace | 1
How to update a variable in a function after every 5 seconds?
Run the attached model and see the results. You can change the Ramp block's Slope value and store different numbers. Output of t...
más de 4 años hace | 0
Function like "find" but for lines
B=reshape(A.',1,[]); C=(1:numel(A)).*(B~=0); C=C(C~=0)
más de 4 años hace | 0
Matrix with numeric values
N=4 A=1:N; B=char(64+A) 'ABCD' B(1) 'A' B(2) 'B' . . and so on. Change N and observe the results.
más de 4 años hace | 0
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Solving non linear 2nd order differential equation
Try this: clear syms t Y0= input('wave amplitude ') ; %Wave ampli...
más de 4 años hace | 0
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y[n] = x[n] - x[n-1] x[n-2] I need to find a) Find the transfer function. b) Give the impulse response. d) Sketch the frequency respo
Try this: z=tf('z',0.001); Gz=1-z^-1+z^-2; %%transfer function Gs=d2c(Gz,'tustin') %%impulse response figure(1); impulse(...
más de 4 años hace | 0
How can I remove identical cell entries containing small arrays
The following code should simply do the job for you: unique(cell2mat(connect_group),'rows') After this, you can regroup the ar...
más de 4 años hace | 0
Simulink-Sawtooth Decrease Counter
Try the attached model. Note that I didn't use Pulse Generator or Detect Decrease or Sum or Memory block. The model is very simp...
más de 4 años hace | 0
how can I do this in mat lab
syms u(t) x(t) h(t) u(t)=piecewise(t>=0,1,0); x(t)=cos(pi*t)*(u(t)-u(t-1)); h(t)=1.5*(u(t)-u(t-1.5)); %%plot t=0:0.001:5; ...
más de 4 años hace | 0
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Plotting the derivative of an "switch-funktion"
You may use Symbolic Toolbox and its beauties for this case :) Here is the code: syms y1(t) y2(t) y3(t) y4(t) y1(t)=piecewise(...
más de 4 años hace | 0
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How can i fix the error 'Index exceeds the number of array elements (51)'
You need to apply elementwise division: x = [0:0.1:5]; y = sin(x)./x; plot(x, y), xlabel('xi'), ylabel('Theta'), title('Solut...
más de 4 años hace | 1
| aceptada
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