回答済み
Filter audio file with FIR filter
Check out filter or filtfilt for starters ...

2年以上前 | 0

回答済み
how to multiply every single element in a matrix to entire of another matrix?
Here's one option to store each result in a cell array that's the same size as x x = [100,500,900,1300,1700; 120,600,1080,...

2年以上前 | 1

| 採用済み

回答済み
Set elements in center of matrix into NaN values
Not sure what diameter means in this context. But, if it can be defined in terms of row and column indices, then maybe something...

2年以上前 | 0

回答済み
Dictionary with key-value pair of string ---> string array?
Hi cyclist, Do you mean mapping to the string array contained inside the cell? keySet = ["Jan";"Feb";"Mar"]; valueSet = {["Ne...

2年以上前 | 1

| 採用済み

回答済み
how to use a variable in finite field
How about something along these lines? y = @(a) gf(3,8)*a; y(1) y(2)

2年以上前 | 0

回答済み
Convolution using non-constant kernel?
Hi goc3, filter provides significant speedup rng(42); nr = 100000; A = rand(nr,1); B = rand(nr,1); w = 100; % window lengt...

2年以上前 | 0

| 採用済み

回答済み
Fourier Analysis - Magnitude spectrum and phase shift
Hi Stefan, %% Triangle wave Fourier approximation + Phase & Magnitude Spectra %% Setting Maximum Harmonic to be used (importan...

2年以上前 | 0

| 採用済み

回答済み
Operations and differentiation with symmatrix in MATLAB... possible bug?
Hi dominik, I'm not sure what Problem 1 is refering to. I think Problem 2 can be explained as follows: clear all n = 2; A =...

2年以上前 | 0

回答済み
Dynamically Make a Variable Name
Hi Summer, One option would be to use load with an output argument, which will put all of the variables the .mat file in a stru...

2年以上前 | 1

| 採用済み

回答済み
How to integrate acceleration into displacement data correctly?
The integration seems correct based on the implied initial conditions. Fs = 1000; % sampling freq. Ts = 1 / Fs; % sampling per...

2年以上前 | 0

回答済み
Expansion in a Fourier Series
% Problem_1 the Fourier series of the function f(x) % f(x)=0 -pi < x < 0 % f(x)=1 0 < x < pi %syms x n pi % pi=3.14; ...

2年以上前 | 0

回答済み
Plot Specific Points on Nichols Chart
Hi Amaan, The input to nichols has to be an a dynamic system model. So either you have to convert AbsN and AngN to such a mode...

2年以上前 | 0

| 採用済み

質問

Answers Not Running Code?
Anyone else having trouble running code on Answers? I see it trying to run with 2024a, but get a message "Something went wrong....

2年以上前 | 1 件の回答 | 0

1

回答

回答済み
Calculating a Fourier series with MATLAB manually problem
I don't think anything is wrong with the code in the Question, at least based on visual inspection (though it's always best to u...

2年以上前 | 0

| 採用済み

回答済み
Fourier Series Curve Fitting and giving its coefficient with respect to eqaution
Hi OLuxanna, The code is attempting to implement the complex exponential Fourier series using the C_n coefficients. Let's look...

2年以上前 | 0

回答済み
How can I use allmargin() with non-unity feedback?
Hi Erik, What's the loop transfer function, L(s), from which one could compute the stability margins (having already determined...

2年以上前 | 1

| 採用済み

回答済み
How to use exp^s for a transfer function in matlab
Models with internal delays are implemented in state space form. Ts = 1/2000; s = tf('s'); Gd = exp(-1.5*s*Ts); With Gd on...

2年以上前 | 0

回答済み
Is there a way to compute the n-th symbolic derivative of a function where n is also symbolic?
Hi Matt, I don't think so, at least not using diff syms f(x) x syms n positive real integer % Define the function for which...

2年以上前 | 1

| 採用済み

回答済み
gridureal samples does not match the sampled system.
Hi Mohammad, I confess that I can't explain how dss is implementing this uncertain, descriptor system. I'm particularly curious...

2年以上前 | 0

| 採用済み

回答済み
cosd() giving similar value for different angles
data = load('LatLong.txt'); speed_km = data(:, 1); latitude = data(:, 2); longitude = data(:, 3); The latitude is quite s...

2年以上前 | 0

回答済み
Understanding FFT in MATLAB
Hi Janee, Speaking only to the Matlab side of this question, why would it expected that the rows of u1 and up be the same? Each...

2年以上前 | 0

回答済み
Typo in the nufft (R2024a) documentation?
Hi Ana, Yes, either the plot command was intended for X or the ylabel is wrong. In the context of that example, I suspect they ...

2年以上前 | 0

| 採用済み

質問

How Does mldivide Work for Full, Square, Full Rank, Triangular Matrix?
How does mldivide work when the input matrix A is full, square, full rank, and triangular? The doc page just say it uses a trian...

2年以上前 | 0 件の回答 | 0

0

回答

回答済み
Plot Piecewise function graph
This line y(i) = 1./log(2)*sin(x(i)); is incorrect. The order of operations for multiplication and division is that they ar...

2年以上前 | 0

回答済み
How to use parameter callback to parameterize mask workspace?
What happens if you just enter T = 1/f; in the Initialization section and leave the f_callback blank, or delete it altogether?...

2年以上前 | 0

回答済み
Inverse of a symmetric matrix consisting of submatrices is desired.
I wasn't going to post this as it didn't seem like a useful answer, but, since @Torsten raised the idea of using the block matri...

2年以上前 | 0

回答済み
Assumptions are not being considered in symbolic math.
Hi Nick The issue is that the code is using linsolve, which doesn't know anything about the assumptions on the m_i. Generate a...

2年以上前 | 0

回答済み
piecewise function Fourier seriers
Hi KUN, In the context of the Fourier transform, I'm not sure that the assumption on t makes sense, at least not in the context...

2年以上前 | 0

回答済み
want to differentiate 1+c*exp(t)/1-exp(t) which is 2*c*exp(t)/(1-exp(t))^2 and then return it to it's original form by integration using int(), understand rewrite(tanh,"exp")
Hi Joseph, I think you got the correct result, though not using what might be considered best practices syms f c t y(t) y ypri...

2年以上前 | 1

| 採用済み

回答済み
Problem with using mussv
Hi Ofek, N = 30; w_vec = logspace(-5,5,100); "I calculate it using the function freqresp and the resulting array has dimensio...

2年以上前 | 0

| 採用済み