# Paul

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**Content Feed**

How do I print a Simulink block's mask dialog?

Here is a way to get the mask parameters for a masked block, stored in a struct with field names the parameter names and field v...

10 minutos ago | 0

Is applying a binary operator (+,-,*,/) to char arrays supported by MATLAB or just a "trick"

Not directly on point to the Question, but a related "feature" is that char vectors can be used to directly into index into arra...

alrededor de 4 horas ago | 0

Finding x for y = f(x) in simulink

According to the Symbolic Math Toolbox, the solution can be expressed as %iel = wrightOmega(uel/3 - log(3) - 2/3) - 1/3 assumi...

1 día ago | 0

Unique workspace for each instance of Interpreted MATLAB Function block?

I think the way that you can do this with minimal changes to your overall approach would be as follows. If you're willing to cha...

2 días ago | 0

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How do I implement this in discrete form

If the transfer fucntion of the controller, C(z), is improper (more zeros than poles), then its partial fraction expansion will ...

3 días ago | 0

Array variable as parameter value in simulink

Use a Selector block. Choose the 'Index option' as 'Index vector - port'. Then connect A to the U port and feed the Indx1 port ...

4 días ago | 1

| accepted

Create diagonal matrix from vector in Simulink without DSP toolbox and without knowing the dimension of the vector

The easiest way, perhaps not without drawbacks, is to use an Interpreted Matlab Function block. In the dialog box make the 'Matl...

5 días ago | 0

Trying to demonstrate group delay but not seeing any in dsp.BiquadFilter.

I thought group delay shifts the low frequency envelope of the signal and phase delay (phase / frequency) shifts the high freque...

7 días ago | 0

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check for new line in a string

These functions might help doc newline doc contains

8 días ago | 0

I need help plotting this inverse Laplace Transform

Replace all instances of pi with Pi, defined as Pi = sym(pi); which is a good habit to get into regardless. Then you can stay...

8 días ago | 0

| accepted

If z is a vector , what is the difference between angle(z) and atan2(z)

atan2() returns the answer in radians. So multiply it by 180/pi as for P2 and P3 (or use atan2d(), though atan2d() might result ...

8 días ago | 0

How to integrate for each row of parameters in a matrix, rather than using a loop

integral() can integrate a vector function of a scalar. It sounds like this is what you're looking for. link to doc Whether or...

9 días ago | 0

| accepted

Problem with amplitude and smoothness of FFT

The time domain signal, Signal, is not a sum of pure cosines because of how Digit is calculated, so we shouldn't expect its fft ...

9 días ago | 1

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how can i use mvnrnd function?

I'm not exactly sure what the question is. If the question is: how to draw hundres of samples from the multi-variate normal dis...

9 días ago | 0

problem in summation of two transfer function

sys1 = tf(1,[2 1]); sys2 = tf(2,[2 1]); sys3 = sys2 + sys1 minreal(sys3) minreal(parallel(sys1,sys2)) minreal() normalizes ...

10 días ago | 0

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Error in using eval statement

There's almost certainly a better way to organize the data and store the results, but if you must use eval: ['Energy_H_A',num2s...

10 días ago | 0

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How can I fix this Error?

Let's look at what we have so far with a sight change in notation that might make it clearer to read and a path to a general sol...

12 días ago | 0

Find poles and zeros of transfer function

That error shows up because minreal() and ss(), etc. are functions in the Control System Toolbox. Those functions cannot accept...

13 días ago | 0

| accepted

Define and Use Structure Parameters in Simulink

Do you actually have a variable in the base (or model, I suppose) workspace named 'struct'? That would be odd because struct is...

14 días ago | 0

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Use an array as input and output in Simulink

The unit delay block can handle arrays. Did you try it and run into an error?

15 días ago | 0

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Force zeros to be be symbolic

I'm not familiar with this? un',0 Can you show that in a cellfun command? In any case, diff() always returns a symbolic expre...

16 días ago | 0

Simulink accelerometer flipping y axis?

I think the reason is .... The CG and ACC location vectors are resolved in "Flight Gear Coordinates (FGC)" (or a frame parallel...

16 días ago | 1

| accepted

Generating a matrix with specific sums

Another solution: X = randi([0 400], 6, 6) kron(eye(3),[1 1])*X

18 días ago | 1

Why is ySol(t) = Dsolve(ode,cond) wrong? What should it be instead?

I think the ode needs to be solved first, and then sub in the values of y(0) to get the family of solutions (if I understand the...

19 días ago | 0

Fourier series and transform of Sinc Function

Hello @cikalekli, The second and third graph are both plots of the magnitude of the sinc() function, so it would appear that th...

19 días ago | 1

| accepted

How can i plot frequency contect of the signal with TF code?

The bode() command is one way to compute and visualize the frequency response of the transfer function. doc bode

21 días ago | 0

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im trying to plot this function, y= (exp(1i.*k.*pi./10).*(1-exp(-1i.*k.*2.*pi)))./(20.*(-1+(exp(1i.*k.*pi./10))));

syms y k y= (exp(1i.*k.*pi./10).*(1-exp(-1i.*k.*2.*pi)))./(20.*(-1+(exp(1i.*k.*pi./10)))); y is complex valued, e.g. subs(y,...

22 días ago | 0

Error using subs function of Symbolic Math toolbox

Use Torsten's suggestion, or syms a b S f(a,b,S) = a+a*b + b*S; Data =[ ]; for i = 1:10 Data =[Data ; [i, f(1,2,i)] ]; ...

22 días ago | 0

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How does the division operator work with transfer function objects?

Let's solve a simpler problem "by-hand" using the zpk format to see what's happening. Define the plant model: G = zpk([-1],[-2...

23 días ago | 1

| accepted