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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;

19일 전 | 0

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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...

20일 전 | 0

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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...

20일 전 | 0

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

21일 전 | 2

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

21일 전 | 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...

22일 전 | 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...

22일 전 | 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...

22일 전 | 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...

22일 전 | 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...

23일 전 | 0

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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, ...

23일 전 | 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 = ...

23일 전 | 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...

24일 전 | 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 ...

24일 전 | 1

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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...

25일 전 | 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,:)...

25일 전 | 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...

27일 전 | 0

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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...

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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.

28일 전 | 0

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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 ...

28일 전 | 0

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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 ...

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Problem when graphing digital filter chebyshev
Need some some addition arguments to freqz(). Check its doc page for more information: Fs = 44000; Fn = Fs/2; ...

30일 전 | 1

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Request for help computing convolution of random variables via fft
Here is one option, illustrated with two widely separated normal pdfs: mu1 = 10; sigma1 = 2; mu2 = -5; sigma2 = 1; Zextreme =...

약 1달 전 | 0

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Should the Symbolic Math Toolbox Enforce Assumptions on Assignment?
Consider the following: syms a real isAlways(in(a,'real')) So far, so good. But a = sym(2)*1i; % accepted w/o error or war...

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Conditional Normal Random Distribution
Yes. If you know mu and Sigma of the vector x and the first n values of x are given, then the density of x(n+1:end) is also nor...

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CDF of VOn Mises distribution
This code seems to recreate one of the CDF plots on the linked wikipedia page. It doesn't run very fast. syms x mu kappa x0 rea...

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I have a symbolic expression from simplify which has obvious cancellations and other further simplifications: how do I force this?
Sometimes you can get furhter along by putting assumptions on the variables that reflect what they actually represent. For examp...

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blkbuild command is not functioning in my matlab software, i have installed control system toolbox although programme is not executing.
Hmm. Not sure why that error is coming up. Block 1 is clearly defined. But Block 3 is not, so that should cause an error. Did ...

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The modeling of delta function in the numerical calculations
Would it just be: deltafunc = @(t,tprime,deltat)((abs(t-tprime)<deltat/2)./deltat); % assumes deltat > 0 Not sure how that Xz ...

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