Answered
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...

3 years ago | 0

| accepted

Answered
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...

3 years ago | 0

| accepted

Answered
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');

3 years ago | 0

| accepted

Answered
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.

3 years ago | 0

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

3 years ago | 0

Answered
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 ...

3 years ago | 0

Question

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...

3 years ago | 1 answer | 0

1

answer

Answered
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...

3 years ago | 1

| accepted

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

3 years ago | 0

Question

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...

3 years ago | 2 answers | 0

2

answers

Answered
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...

3 years ago | 0

Answered
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...

3 years ago | 0

| accepted

Answered
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;

3 years ago | 1

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

3 years ago | 0

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

3 years ago | 0

| accepted

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

3 years ago | 0

| accepted

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

3 years ago | 0

Answered
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...

3 years ago | 0

| accepted

Answered
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...

3 years ago | 0

| accepted

Answered
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...

3 years ago | 0

| accepted

Answered
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...

3 years ago | 0

| accepted

Answered
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...

3 years ago | 0

Answered
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...

3 years ago | 0

| accepted

Answered
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,...

3 years ago | 0

Answered
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...

3 years ago | 0

| accepted

Answered
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

3 years ago | 0

| accepted

Answered
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.

3 years ago | 0

Answered
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...

3 years ago | 0

Answered
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...

3 years ago | 0

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

3 years ago | 0