Statistics
RANK
44
of 299,246
REPUTATION
4,479
CONTRIBUTIONS
117 Questions
1,694 Answers
ANSWER ACCEPTANCE
49.57%
VOTES RECEIVED
586
RANK
of 20,666
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Feeds
Question
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...
3 days ago | 0 answers | 0
0
answersResult 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) ...
4 days ago | 1
How to Control Simulink from Matlab during Simulation
Perhaps dashboard blocks would be helpful.
5 days ago | 0
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...
9 days ago | 0
| accepted
Question
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 ...
10 days ago | 1 answer | 1
1
answerHow 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...
11 days ago | 0
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 ...
13 days ago | 0
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 ...
14 days ago | 0
| accepted
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...
16 days ago | 0
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...
21 days ago | 0
| accepted
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...
21 days ago | 0
| accepted
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 =...
21 days ago | 1
| accepted
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 ...
25 days ago | 2
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., ...
29 days ago | 0
| accepted
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...
1 month ago | 2
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...
1 month ago | 0
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...
1 month ago | 0
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]; ...
1 month ago | 1
| accepted
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...
1 month ago | 0
| accepted
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...
1 month ago | 0
| accepted
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...
1 month ago | 1
| accepted
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 ...
2 months ago | 0
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...
2 months ago | 2
| accepted
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 ...
2 months ago | 0
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...
2 months ago | 0
| accepted
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...
3 months ago | 0
| accepted
Question
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...
3 months ago | 2 answers | 0
2
answersI'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...
3 months ago | 0
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...
3 months ago | 0
| accepted
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...
3 months ago | 0
