Risposto
Approximate the first zero crossing of an exponentially decaying waveform.
Looking at the figures that your code produces, you can see clearly that the first zero-crossing is not around 1.6794 as your te...

circa 3 anni fa | 0

| accettato

Risposto
How do I perform erosion and dilation on point cloud
Transform the point cloud into an image, then you can use Matlab image processing tools and functions. A quick search on the Fi...

circa 3 anni fa | 0

| accettato

Risposto
How to plot a grid with a for loop.
N = 64; a = 7; b = 9; x = a:a+N-1; y = b:3:b+3*N-1; figure, plot(x, y, 'o'), grid minor xlabel('X'), ylabel('Y');

circa 3 anni fa | 0

| accettato

Risposto
Detecting multiple tumors from an mri image, given an image with more than one tumor, how do I detect all of them at the same time?
Detect the tumor, remove it from the image, run the method again on the new image until there are no more tumors.

circa 3 anni fa | 0

Risposto
How to plot this signal on matlab? Bounty
T = 4; % period F = 1/4; % fundamental frequency Fs = 1000; % sampling frequency ...

circa 3 anni fa | 0

Risposto
Plotting different chart types in the same figure?
There are several ways to obtain that. One of them is through creating panels, each with its own axes. You can plot on the axes ...

circa 3 anni fa | 0

Domanda

How to plot box plots of data of different sizes on the same figure?
Hi everyone! I have vectors of variable sizes in a cell array. I need to plot the box plot of each vector on the same figure. T...

circa 3 anni fa | 1 risposta | 0

1

risposta

Risposto
How I can stop this code with the bukle 'WHILE'?
When the condition RK1>RK2 becomes satisfied, the code breaks the for loop and returns the while loop, which is always satisfied...

circa 3 anni fa | 1

| accettato

Risposto
How to do a band pass filtering in matlab?
Use bandpass. Read this thread.

circa 3 anni fa | 0

Domanda

How to plot stacked variables with common x-axis?
Hello everyone, I am trying to produce a figure similar to the one attached. As you can see, for each Y, there is a function of...

circa 3 anni fa | 2 risposte | 0

2

risposte

Risposto
Is expm accurate to compute transition probabilities for a continuous-time Markov chain?
expm(sig) computes the matrix exponential of sig according to: [V,D] = eig(sig) expm(sig) = V*diag(exp(diag(D)))/V For your e...

circa 3 anni fa | 0

Risposto
code runs properly but the variables in workspace are not shown, How to resolve this issue?
find_PD_MF is a Matlab function. You declared your function without outputs. Therefore, Matlab will not return any output of you...

circa 3 anni fa | 0

| accettato

Risposto
How to find elements of a vector falling between minimum and maximum of an other vector without loop.
c = zeros(size(b)); c(b>min(a(:)) & b<max(a(:))) = 1;

oltre 3 anni fa | 1

Risposto
applying delay to real-time process
You can use a timer object. See details here and here.

oltre 3 anni fa | 0

Risposto
How to read time of (YY:DOY:SSSSS) format ?
Try this: readtable(filename, 'Format', '%{uu:DDD:SSSS}D %f')

oltre 3 anni fa | 0

| accettato

Risposto
Add percentage symbol (%) on contour lines (2019a)
Use '%%' to write the '%' symbol: fprintf('%%\n');

oltre 3 anni fa | 0

| accettato

Risposto
How to interpolate geometry along Z axis?
You can use Matlab scatteredInterpolant or griddata.

oltre 3 anni fa | 0

Risposto
How to apply if else statement by reading values from a Table file on each value and save output?
% generate values randomly between 0 and 500 for an example a = 0; b = 500; Turbidity = (b-a).*rand(1000,1) + a; TurbidityNE...

oltre 3 anni fa | 0

| accettato

Risposto
Plotting a equally distributed quantized signal
% sinusoids in the signal f1 = 369; f2 = 919; f3 = 183; % max and min spectral components fmax = max([f1, f2, f3]); fmin...

oltre 3 anni fa | 0

| accettato

Risposto
Finding the nearest neighboors of a point on a 2D plot
First of all, you have to define your distance. The Euclidean distance, for example? Step1: Create nearest neighbor searcher ob...

oltre 3 anni fa | 0

| accettato

Risposto
How to make a loop to average the values?
If you want to use a for loop, you can do this for j=14:22 eval(sprintf('BV_%g_L_mean = mean(BV_%g_L,2);', j, j)); ev...

oltre 3 anni fa | 0

| accettato

Risposto
3 matrix product without dimension error
You can multiply the matrices directly without a loop. % random matrices x = randn(2, 72); y = randn(72, 72); % multiplicati...

oltre 3 anni fa | 0

Risposto
I want to plot a graph for a function which varies according to the range of the variable (Like a piecewise function)
That is because your first condition is the most general (or inclusive). The second condition is satisfied when the tested value...

oltre 3 anni fa | 0

| accettato

Risposto
If all points are equal then
% generate 3 matrices for a demo A1 = randn(72,2); A2 = randn(5,2); A3 = randn(3, 2); % generate a structure s = {A1, A2,...

oltre 3 anni fa | 0

Risposto
Generates a sawtooth wave with amplitude of 1 unit, a frequency of 2 Hz or (4pi radians per second) and a phase shift of pi/4 radian.
% amplitude amp = 1; % fundamental frequency f = 2; % time span of 10 periods T = 10/f; % phase shift theta = pi/4; % sa...

oltre 3 anni fa | 0

| accettato

Risposto
Selection by circular indexing
function y = circularSelect(v, a, b) N = length(v); idx = a:b+N*(b<a); idx(idx>N) = idx(idx>N)-N; y = v(idx); end

oltre 3 anni fa | 0

| accettato

Risposto
how to plot group delay with respect to omega_1 and omega_2 for 2-D dimensional digital filter
Use grpdelay. A built-in Matlab function.

oltre 3 anni fa | 0

Risposto
how to interpolate for increasing - decreasing type of data set
The function interp2 performs interpolation for 2D gridded data. It has the form Vq = interp2(X,Y,V,Xq,Yq), where X and Y contai...

oltre 3 anni fa | 0

Risposto
What is the result of the following command? x = 5 : -2 : 1
Your command has the form: x = x1:stp:x2, where x1 is the starting value, x2 is the end value, and stp is the step. Applying tha...

oltre 3 anni fa | 0

Risposto
how to detect circles in the provided .bmp image?
Read Detect and Measure Circular Objects in an Image

oltre 3 anni fa | 0