Domanda


Why Can an Anonymous Function be Defined with a Non-Existent Parameter?
Define an anonymous function with one argument (x) and one parameter (y) f = @(x) x + y; I'm suprised that line sails through ...

circa un anno fa | 1 risposta | 1

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How to write a timetable to excel with rowtimes as dates without times?
"If there was a way in Matlab to change the format in the first column in the excel file from "m/d/yy hh:mm" to "d-mmm-yyyy", my...

circa un anno fa | 0

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Matlab sorting numbers oddly
Hi Elijah, Would be helpful if you showed the code for reading the files. If I'm understanding correctly, maybe you could use ...

circa un anno fa | 0

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Zero-Padding Position for FFT
Hi Jason, The data in x can't span exactly -0.5*T to 0.5*T if it has an even number of uniformly spaced samples. Assuming the ...

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How To Handled Fixed Point Datatype in Simulink if I am Not Having Fixed Point Designer Licence?
Hi Anup, If by "handle fixed Datatype" you mean that you have to work with a model that uses fixed-point functionality, check o...

circa un anno fa | 0

Risolto


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

circa un anno fa

Discussion


Answers Acting Flaky?
For the last day or two, I've been getting "upstream" and other various errors on Answers. Seems to come and go. Anyone else hav...

circa un anno fa | 0

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Shading area between 2 curves (x function in terms of y)
Here are the plots of the functions. The independent variable is y, which spans the x-axis on the fplot syms x y x1=y^2; x2=y...

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Indexing vectors with a zero and creating a "predicted" vector knowing what the diff should be
This solution is similar in spirit to that in this comment, which I think is the best approach based on how the problem has been...

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How can I plot 10 shifted single impulses in one plot (in a row)?
imp = @(x) sech(x); S0 = @(x) imp(x).*(x<=0); % assumes S0(0) = sech(0) ub = 10; x_imp = linspace(-ub, ub, 1001); x_S0 =...

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The sine wave comes out as flat as flat line .
The yellow line likely isn't flat, it just looks that way becuase the y-axis is scaled by 10^15. Try sending the that signal to ...

circa un anno fa | 2

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Simulink Matlab Fcn, logical error for incrementation in Goertzel's algorithm
Hi bieron surya, Every time the function executes it hits the line count = single(0); which does exactly what it says, i.e., ...

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The coefficients of a Hermite polynomial
coeffs n = 4; H = hermiteH(n, sym('t')) [c,terms] = coeffs(H,sym('t')) or [c,terms] = coeffs(H,sym('t'),'all') Typically o...

circa un anno fa | 2

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Load Pretrained Networks in Matlab function block
According to the doc pages coder.loadDeepLearningNetwork and predict- (not recommended) and the error message this function migh...

circa un anno fa | 0

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Any commands about rotation where the unit of the input is radian
eul2rotm and angle2dcm both ingest angle inputs in radians, but they both require three angles on input. Also, care must be take...

circa un anno fa | 0

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error in discrete space state depeding on coefficient
Hi SUENGTAE, In the first case we have: J = 0.01; b = 0.1; K = 0.01; R = 1; L = 0.5; A = [-b/J K/J -K/L -R/L]; ...

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unit delay in z-domain, is this correct? I do not think the bode is correct. Thanks
Hi Mohammad, What exactly about the Bode plot appears to be incorrect? The gain of the unit delay should be 1 (or 0 dB) at all...

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Why Doesn't "clear all" Clear the Assumptions from the Symbolic Engine?
Looks like this is fixed in whatever version of 2024b that Answers is running now as compared to the version it was running when...

circa un anno fa | 0

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Linear Acceleration input to the IMU Block in Simulink
Hi Ubersich, You're not getting anything wrong, only suffering from poorly written documentation and a block algorithm that's p...

circa un anno fa | 1

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Discussion


Should Plotting Functions Implicitly Squeeze Inputs?
Should plotting functions, such as plot, semilogx, etc. internally apply squeeze to inputs? For example, the ubiquitous bode fr...

circa un anno fa | 1

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From Matrix s-domain to state space and Z-domain
Hi JD, What does "Tc(s) constant value per some period suppied by 2D lookup table?" mean? If you have the R_ij and tau_ij for ...

circa un anno fa | 0

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How to solve vector equation y = mx +c
% A*[m;n] = b A = [3.2790 1; 1.9704 1; 0.9757 1; 0.4835 1; 0.2425 1]; b = [661 401 201 101 51].'; See...

circa un anno fa | 2

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Shows "vertcat error" in CIC
Hi Jay, That doc page does say that the filter can can accept either a vector or a matrix. But we have to look at how the data ...

circa un anno fa | 0

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Why does c2d changes the structure of the C matrix in the ss representation?
Hi Elia, When working with transfer functions, the only thing that's considered is the input/output relationship. The Control S...

oltre un anno fa | 0

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Accessing variables from a Simulink model initFcn callback with parsim
Hi Guillermo, In my opinion, the documentation is very poor in explaining the interaction between workspaces, models, and model...

oltre un anno fa | 0

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Domanda


Is the Ordering of the Output from combinations() Documented, Repeatable, and Sensible?
Suppose I want to evaluate a function of three variables over a grid of points in 3D space. For example, using three nested loo...

oltre un anno fa | 2 risposte | 0

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I'm running signal processing simulations in Simulink. What's the proper way to set the solver step size?(I've attached my .slx file, tks!)
Hi ColdRabbit, As long as the Sample Time parameter of the ZOH block is set to the sampling period for which you want to comput...

oltre un anno fa | 0

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Different Results of allmargin() and margin()
Hi Florian, For a MIMO system, allmargin computes the margins of each loop with all other loops are closed. However, the comman...

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Cannot plot Fourier Transform
Hi David, I just came across this old post. syms t w h = sin(4*(t-1))./(pi*(t-1)); H = fourier(h, t, w); % Define Input and...

oltre un anno fa | 0

Domanda


How are Extrinsic Functions Handled When Executing Parallel Simulations with parsim() ?
Suppose a Simulink simulation that contains a Matlab Function block that calls another function declared as extrinsic with @doc:...

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