回答済み
Matrix multiplication bugged?
Hi Antonio, Multiplying a matrix by [1;0;0] on the right should return the first column of the matrix, which is exactly the res...

約1年前 | 1

質問

Do Symbolic simplify() and expand() of Expressions Involving nchoosek() Make Sense?
Define a simple nCk expression syms k integer e = nchoosek(2,k) Evaluate at some values. Evaluation for k<0 and k>2 returns 0...

約1年前 | 1 件の回答 | 0

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Result of symbolic definite integral is clearly wrong
Hi Dan, Add assumptions on variables, might help with simplifications. syms t real syms d integer syms k integer cutoff(t) ...

約1年前 | 1

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How to Control Simulink from Matlab during Simulation
Perhaps dashboard blocks would be helpful.

約1年前 | 0

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Simulink parameters change during simulation from Matlab cmd line
To be clear, the intent is to change at the command line, while the simulation is running, base workspace variables that are blo...

約1年前 | 0

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質問

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 ...

約1年前 | 1 件の回答 | 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...

約1年前 | 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 ...

約1年前 | 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 ...

約1年前 | 0

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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...

約1年前 | 0

解決済み

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...

約1年前

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...

約1年前 | 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...

約1年前 | 0

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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...

約1年前 | 0

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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 =...

約1年前 | 1

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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 ...

約1年前 | 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., ...

約1年前 | 0

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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...

約1年前 | 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...

約1年前 | 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...

約1年前 | 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]; ...

約1年前 | 1

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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...

約1年前 | 0

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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...

約1年前 | 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...

約1年前 | 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...

約1年前 | 1

回答済み
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 ...

約1年前 | 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...

約1年前 | 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 ...

約1年前 | 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...

1年以上前 | 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...

1年以上前 | 0

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