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Fourier Transform in terms of frequency instead of angular frequency
WRT to the first part of your question, the answer is yes. The parameters of the Fourier transform can be set via sympref syms ...

4年以上前 | 0

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simulate free fall project, ode45, using reynolds no to get drag coefficient, recursive problem
Check your intiial conditions. At t = 0, ydot = 0, which yields Re == 0, which then yields isnan(C_D) == true, and subsequently...

4年以上前 | 0

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Issues with Simulink unit delay
Using a unit delay is probably not what you want, because the output of the delay is held constant until the next sample time. ...

4年以上前 | 0

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s domain to complex domain?
Some functions that may be of interest: doc freqresp doc abs

4年以上前 | 0

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LTI s domian to z domain tranformation
The c2d() function offers several options doc c2d

4年以上前 | 0

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How can I apply step signal input to a system after 20secs of delay?
Set the InputDelay property of the system to 20. If h is the system h.InputDelay = 20; step(h,opt)

4年以上前 | 0

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doublet responce of doublet input
Can you express the doublet as a sum of unit step functions, eahc of which are appropriately scaled and delayed? If so, and you...

4年以上前 | 0

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Using ODE45 with 4 states on a double particle pendulum
Hi Raaed, Why use symbolic when you alredy have a closed form expressions for the differential equations? Usually, the Symbolic...

4年以上前 | 0

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convert 1x1 double time series data of simout in matlab to 1441 x 1 double
You can convert the timeseries to ordinary Matlab variables time = simout.Time; data = simout.Data;

4年以上前 | 1

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How can I count how many times the position of a bouncing ball on the simulator hits 0?
Drag a Triggered Subsystem into the diagram. Connect the output of the <=0 block to the trigger input of the Triggered Subsyste...

4年以上前 | 0

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simulink-function block
This line (and others like it) doesn't do what you think it does: 68.832 < u <= 200 Consider: u = 203; 68.832 < u <= 200 Th...

4年以上前 | 0

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rearrange an equation in simulink
I'm not necessarily recommending this, but since you asked you can try an Algegbraic Constraint block.

4年以上前 | 2

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Is there a block in Simulink to load equations in state variables ?
This one? State Space

4年以上前 | 0

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Recurrence Relation having undefined variables
Do you get the desired result if you move the line syms lamda c0 c1 to inside the function? Also it's kind of confusing to ha...

4年以上前 | 0

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Simulink block to get the specified value
One option to grab the value of a signal at a certain time and hold it afterwards is to pass it through a Triggered Subsystem, w...

4年以上前 | 0

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Why do i get error while converting Block diagram to transfer function?
The problem is with this line: [a, b, c, d] = ss2tf(connect(G1,G2,G3,sum1,sum2,sum3,'r','y')) ss2tf only computes 2 outputs, b...

4年以上前 | 1

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I am trying to solve 3 simultaneous ODE's. Which method to use?
This line: dy = zeros(4,1); Needs to be replaced with: dy = zeros(3,1); After that, note that the equation for dy(1) evaluat...

4年以上前 | 1

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Step response error when using step
An improper transfer function has a numerator with higher order than the denominator. In your case, the numerator is second ord...

4年以上前 | 1

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From numerical FFT to zero-pole diagram
Poles and zeros are based on the transfer function, which relates the output to the input. So in addition to the output signal, ...

4年以上前 | 0

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how to concat two strings with data from external file inbetween?
One approach, I'm sure there are others: first = "Simpson"; last = "Wilder"; nums = string(readmatrix('input.txt')); out = ...

4年以上前 | 0

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How to fit a gaussian to unnormalized data
I think you need to normalize Y by it's sum (given the unit spacing of X), not its max X = -6:1:6; Y = [1 3 1 8 5 16 18 10 6 2...

4年以上前 | 1

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Knowing the closed form solution of dx/dt = 2 sin 3t − 4x, how do I construct my Simulink?
So you need to express -cos(3*t + atan(4/3)) as the sum of two sine waves. If you're allowed to make the amplitude of one of ...

4年以上前 | 1

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Advices on realizing a decreasing pulsing function with Simulink.
It sounds like what you want is the input, u, to be the cumulative ON-time, and the output, m_dot, should be zero when the drivi...

4年以上前 | 1

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Matrix slicing in matlab
Use mat2cell x = rand(4,2); % the matrix c = mat2cell(x,[2 2],2); % the cell array % verify c{1} - x(1:2,:) c{2} - x(3:4,:)...

4年以上前 | 0

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Unable to set gain control as a variable in Simulink, setting a numeric value works OK.
It turns red with the exclamation mark because you haven't defined the variable in any workspace that the model can see (typical...

4年以上前 | 0

質問

Sym Matrices can be Indexed with non-Logical/non-Integer. Bug?
Linear indexing into a sym array: A = sym([1 2;3 4]) A(.5) A(1.1) A([1.2 2.2]) But element indexing produces an error A(1...

4年以上前 | 0 件の回答 | 1

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What Happened to the SrcWorkspace Name-Value Input to the sim() Command?
Looks like one has to use a Simulink.SimulationInput object as the input to the sim() command.

4年以上前 | 1

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How update some variables each time tha I'am calling simulink from Matlab funtion
Try using a Simulink.SimulationInput object. Change the code to: function [Out] = Funtion (Var1, Var2 ....) in ...

4年以上前 | 1

質問

What Happened to the SrcWorkspace Name-Value Input to the sim() Command?
The SrcWorkspace Name-Value pair argument to the sim() command seems to have disappeared going from 2020b to 2021a. I searched ...

4年以上前 | 2 件の回答 | 0

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How to get generalized plant model in state space (A,B1,B2,C1,D11,D12,C2,D21,D22) using augw command?
Does this Answer help?

4年以上前 | 0