Answered

Estimate the psd of a signal

% Constants and Signal Definition Fs = 1000; % Sampling frequency in Hz duracion = 1; % Duration in seconds N = Fs * duracion...

Estimate the psd of a signal

% Constants and Signal Definition Fs = 1000; % Sampling frequency in Hz duracion = 1; % Duration in seconds N = Fs * duracion...

1 month ago | 0

| accepted

Answered

normal distributed numbers around a specific value

Using normrnd (if you have the Statistics and Machine Learning Toolbox) % Parameters mu = 50; % Mean (the specific value aroun...

normal distributed numbers around a specific value

Using normrnd (if you have the Statistics and Machine Learning Toolbox) % Parameters mu = 50; % Mean (the specific value aroun...

1 month ago | 0

| accepted

Answered

How can I analyze the sum and product together in a code?

An initial Idea: % Assuming the Excel file is named 'alpha_values.xlsx' and the values are in the first column alpha = xlsread...

How can I analyze the sum and product together in a code?

An initial Idea: % Assuming the Excel file is named 'alpha_values.xlsx' and the values are in the first column alpha = xlsread...

2 months ago | 0

Answered

How to multiply matrices randomly?

% Parameters d1 = 258e-9; % meters n1 = 1.45; d2 = 163e-9; % meters n2 = 2.3; totalLength = 200e-6; % meters layerCount = ...

How to multiply matrices randomly?

% Parameters d1 = 258e-9; % meters n1 = 1.45; d2 = 163e-9; % meters n2 = 2.3; totalLength = 200e-6; % meters layerCount = ...

2 months ago | 0

| accepted

Answered

Fourier Series Curve Fitting and giving its coefficient with respect to eqaution

An initial idea: % Corrected initialization of x and y arrays with multiline syntax x = [0.015404238, 0.027389034, 0.03937383,...

Fourier Series Curve Fitting and giving its coefficient with respect to eqaution

An initial idea: % Corrected initialization of x and y arrays with multiline syntax x = [0.015404238, 0.027389034, 0.03937383,...

2 months ago | 0

Answered

str2num sending figures to printer, is there an alternative?

% Example text line that might be read from your file textLine = 'The result is 42 and not 43.5 or any other number like -1.23e...

str2num sending figures to printer, is there an alternative?

% Example text line that might be read from your file textLine = 'The result is 42 and not 43.5 or any other number like -1.23e...

2 months ago | 0

Answered

index exceeds array bounds

load('data') % Assuming 'data' is your matrix % Find rows with any zero element rowsWithZero = any(data == 0, 2); % Remo...

index exceeds array bounds

load('data') % Assuming 'data' is your matrix % Find rows with any zero element rowsWithZero = any(data == 0, 2); % Remo...

2 months ago | 0

Answered

how can I plot

sigma_0 = 2; r = 1:0.1:2; % Range of r theta_deg = [0, 90, 180, 270]; % Angles in degrees theta_rad = deg2rad(theta_deg); % C...

how can I plot

sigma_0 = 2; r = 1:0.1:2; % Range of r theta_deg = [0, 90, 180, 270]; % Angles in degrees theta_rad = deg2rad(theta_deg); % C...

2 months ago | 0

Answered

How do I plot a function up to a certain value and start another function at that value for the same plot?

% Calculations for tilting ONLY AC = 2.125; Fc = 8130.0375; BD = 2; A = 0.03^2 * pi; % Varying angles a = 0:45; % Angle...

How do I plot a function up to a certain value and start another function at that value for the same plot?

% Calculations for tilting ONLY AC = 2.125; Fc = 8130.0375; BD = 2; A = 0.03^2 * pi; % Varying angles a = 0:45; % Angle...

2 months ago | 1

| accepted

Answered

How to replace elements in part of a matrix that meet a certain criteria?

% Assuming A is your sparse matrix and 'rows' is the 1D array of row indices you're interested in [rowIdx, colIdx, values] = fi...

How to replace elements in part of a matrix that meet a certain criteria?

% Assuming A is your sparse matrix and 'rows' is the 1D array of row indices you're interested in [rowIdx, colIdx, values] = fi...

2 months ago | 0

| accepted

Answered

for-loop from an if-statement

% Prompt the user to enter the number of grades N = input('Enter the number of grades you want to classify: '); % Initialize...

for-loop from an if-statement

% Prompt the user to enter the number of grades N = input('Enter the number of grades you want to classify: '); % Initialize...

2 months ago | 1

Answered

Plot the same data once normalized values on the left y-axis and once with units on the right ; the same for bottom and top x-axis

% Sample Data c = [2.88 1.27 100780000.00 44526000.00; 2.88 1.27 100860000.00 44561000.00; 2.89 1.28 100940000.00 44599000.00; ...

Plot the same data once normalized values on the left y-axis and once with units on the right ; the same for bottom and top x-axis

% Sample Data c = [2.88 1.27 100780000.00 44526000.00; 2.88 1.27 100860000.00 44561000.00; 2.89 1.28 100940000.00 44599000.00; ...

2 months ago | 0

Answered

If statements and strcmp function

angle = input('Enter an angle: '); units = input('Is it in degrees or radians? ', 's'); % Normalize the case of the user inp...

If statements and strcmp function

angle = input('Enter an angle: '); units = input('Is it in degrees or radians? ', 's'); % Normalize the case of the user inp...

2 months ago | 1

| accepted

Answered

Why does the fft function cut in half the amplitude of my signal?

N = numel(data); freq = [0:N-1] / N * dq.Rate; X = fft(data); % Apply the window correction if you used a window function ...

Why does the fft function cut in half the amplitude of my signal?

N = numel(data); freq = [0:N-1] / N * dq.Rate; X = fft(data); % Apply the window correction if you used a window function ...

2 months ago | 2

Answered

graph the parametric surfaces

% Define the parametric surface function r(u,v) r = @(u,v) [u.*v, u.*v.^(-2); u.*v.^(-2), u.^(-2) - v.^(-2)]; % Define the r...

graph the parametric surfaces

% Define the parametric surface function r(u,v) r = @(u,v) [u.*v, u.*v.^(-2); u.*v.^(-2), u.^(-2) - v.^(-2)]; % Define the r...

2 months ago | 1

Answered

error in 3d plotting.

% Define the ODE function according to your problem statement. % It's important to ensure that this function correctly models t...

error in 3d plotting.

% Define the ODE function according to your problem statement. % It's important to ensure that this function correctly models t...

2 months ago | 0

| accepted

Answered

function calling in Matlab visualization in ThingSpeak

% Main script for MATLAB Visualization % This could be any code that reads and processes data from your ThingSpeak channel %...

function calling in Matlab visualization in ThingSpeak

% Main script for MATLAB Visualization % This could be any code that reads and processes data from your ThingSpeak channel %...

2 months ago | 1

| accepted

Answered

How can I replace data on the axis to become u horizontal and y vertical?

y = 0:0.01:5; t1=0.1; t2=3; t3=5; t4=10; nu = 5; u0=1; figure(1) hold on u1 = u0.*erfc(y./2.*sqrt(nu*t1)); u2 = u0.*erfc(...

How can I replace data on the axis to become u horizontal and y vertical?

y = 0:0.01:5; t1=0.1; t2=3; t3=5; t4=10; nu = 5; u0=1; figure(1) hold on u1 = u0.*erfc(y./2.*sqrt(nu*t1)); u2 = u0.*erfc(...

2 months ago | 0

Answered

Opening .m Files on Linux

1. Create a MATLAB .desktop File First, check if a MATLAB .desktop file already exists in /usr/share/applications/ or ~/.local/...

Opening .m Files on Linux

1. Create a MATLAB .desktop File First, check if a MATLAB .desktop file already exists in /usr/share/applications/ or ~/.local/...

2 months ago | 2

Answered

how can i find matrix spectral decomposition in matlab

If you can't get access to the Control System Toolbox, you can manually perform spectral decomposition for a 2x2 matrix like H =...

how can i find matrix spectral decomposition in matlab

If you can't get access to the Control System Toolbox, you can manually perform spectral decomposition for a 2x2 matrix like H =...

2 months ago | 0

| accepted

Answered

how can we do a fourier transform of continuos elliptical slip distribution?

% Define parameters Lx = 100; % Length of the fault in x-direction Nx = 512; % Number of points in x-direction A = 1; ...

how can we do a fourier transform of continuos elliptical slip distribution?

% Define parameters Lx = 100; % Length of the fault in x-direction Nx = 512; % Number of points in x-direction A = 1; ...

2 months ago | 0

Solved

Find the maximum number of decimal places in a set of numbers

Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not count...

2 months ago

Answered

How to speed up pcolor and waterfall for large arrays?

Initial concept: originalData = rand(32000, 1000); % Example large dataset factor = 10; % Downsampling factor % Downsamplin...

How to speed up pcolor and waterfall for large arrays?

Initial concept: originalData = rand(32000, 1000); % Example large dataset factor = 10; % Downsampling factor % Downsamplin...

2 months ago | 0

Answered

I am trying to solve the following problem and got stuck if you can give some guidance

Looks like a MATLAB Cody Problem. One of the many approaches that may exist: x = [1.000 1.04 0.22 10.1; 2.05 2.33 4.1 1000.3...

I am trying to solve the following problem and got stuck if you can give some guidance

Looks like a MATLAB Cody Problem. One of the many approaches that may exist: x = [1.000 1.04 0.22 10.1; 2.05 2.33 4.1 1000.3...

2 months ago | 1

| accepted

Answered

what does eps(x) do ?

The function eps in MATLAB, which stands for epsilon, is used to determine the relative accuracy of the floating-point arithmeti...

what does eps(x) do ?

The function eps in MATLAB, which stands for epsilon, is used to determine the relative accuracy of the floating-point arithmeti...

2 months ago | 1

| accepted

Answered

Problem with Simscape Onramp

@Leo MathWorks Support Team(@MathWorks Support Team) will be able to help. Better to let them know. ---------------------------...

Problem with Simscape Onramp

@Leo MathWorks Support Team(@MathWorks Support Team) will be able to help. Better to let them know. ---------------------------...

2 months ago | 1

Answered

MATLAB does not run on new iMAC

@Solke Bruin Do a fresh install(re-install) of MATLAB. ------------------------------------------------------------------------...

MATLAB does not run on new iMAC

@Solke Bruin Do a fresh install(re-install) of MATLAB. ------------------------------------------------------------------------...

2 months ago | 0

Answered

why i got this error when i want to use GPU to accelerate the simulation?

Verify the MinGW version compatability with GPU Code Generation. --------------------------------------------------------------...

why i got this error when i want to use GPU to accelerate the simulation?

Verify the MinGW version compatability with GPU Code Generation. --------------------------------------------------------------...

2 months ago | 0

Answered

Index exceeds matrix dimensions.

clear; clc; close all; % Parameters numVehicles = 100; % Number of vehicles numEdges = 3; % Number...

Index exceeds matrix dimensions.

clear; clc; close all; % Parameters numVehicles = 100; % Number of vehicles numEdges = 3; % Number...

2 months ago | 0

| accepted

Answered

How does wblrnd generate random numbers?

rng(52); % Setting the seed for random number generation once for `a` a = zeros(1, 5); for i = 1:5 a(i) = wblrnd(4, 3); ...

How does wblrnd generate random numbers?

rng(52); % Setting the seed for random number generation once for `a` a = zeros(1, 5); for i = 1:5 a(i) = wblrnd(4, 3); ...

2 months ago | 0