Answered

I would like to have sigma and epsilon in greek symbols in y and x axis respectively (with latex interpreter)

What are you trying to achieve with the sprintf function?? Use the following to name the X- and Y-axis: x = randn(1, 128); plo...

I would like to have sigma and epsilon in greek symbols in y and x axis respectively (with latex interpreter)

What are you trying to achieve with the sprintf function?? Use the following to name the X- and Y-axis: x = randn(1, 128); plo...

3 meses ago | 0

| accepted

Answered

Normal Distribution generation using acceptance rejection

Here is a simple script to estimqte the pdf of X. clc, clear % number of iterations, the higher this value is, the better is...

Normal Distribution generation using acceptance rejection

Here is a simple script to estimqte the pdf of X. clc, clear % number of iterations, the higher this value is, the better is...

3 meses ago | 0

Answered

How to convert a flowchart into a code

clc, clear, % If you want the user to enter the vector x, then uncomment the lines 6 to 14 % and comment the line 16 % x ...

How to convert a flowchart into a code

clc, clear, % If you want the user to enter the vector x, then uncomment the lines 6 to 14 % and comment the line 16 % x ...

3 meses ago | 0

Answered

cell2mat too slow

To speed up the computations, you simply need to avoid using structure arrays.

cell2mat too slow

To speed up the computations, you simply need to avoid using structure arrays.

3 meses ago | 0

Answered

Ranking values - sorting into descending order

Just use the Matlab function sort without any looping. See an example below. X = randn(10, 10); Xranked = sort(X, 2, 'descend'...

Ranking values - sorting into descending order

Just use the Matlab function sort without any looping. See an example below. X = randn(10, 10); Xranked = sort(X, 2, 'descend'...

3 meses ago | 0

Answered

Plot the magnitude and phase by using Matlab

Here is one way to get the spectrum. clc, clear % fundamental frequencies f1 = 1/3; f2 = 5/6; % sampling frequency fs ...

Plot the magnitude and phase by using Matlab

Here is one way to get the spectrum. clc, clear % fundamental frequencies f1 = 1/3; f2 = 5/6; % sampling frequency fs ...

3 meses ago | 0

Answered

loop for every field of a structure array

See an example below on how to get the fields of a structure, then access the data in each field. % toy data: structure of two ...

loop for every field of a structure array

See an example below on how to get the fields of a structure, then access the data in each field. % toy data: structure of two ...

3 meses ago | 0

Answered

Legend option and numbering in boxes

You can define the number of columns in the legend object using the property NumColumns. Use the following: legend({'2500 Datas...

Legend option and numbering in boxes

You can define the number of columns in the legend object using the property NumColumns. Use the following: legend({'2500 Datas...

3 meses ago | 0

Answered

why this line gives error?

It seems that the findpeaks function could not find a peak, so it returned an empty vector. Check your signal, or specify some p...

why this line gives error?

It seems that the findpeaks function could not find a peak, so it returned an empty vector. Check your signal, or specify some p...

3 meses ago | 0

Answered

Group overlay bar chars using cell with three 10x5 double arrays

A very simple solution is to plot the data directly but after introducing matrices of zeros so that the bars look like they are ...

Group overlay bar chars using cell with three 10x5 double arrays

A very simple solution is to plot the data directly but after introducing matrices of zeros so that the bars look like they are ...

3 meses ago | 0

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Answered

How to compute cross sectional area and volume from a stack of segmented images?

Binarize the image, then use region properties to compute the area (number of pixels). Once you know the number of pixels, you c...

How to compute cross sectional area and volume from a stack of segmented images?

Binarize the image, then use region properties to compute the area (number of pixels). Once you know the number of pixels, you c...

3 meses ago | 0

Answered

How to set subplots same size

Because you are requesting to use the same length for the data units along each axis when you specified axis equal Matlab will...

How to set subplots same size

Because you are requesting to use the same length for the data units along each axis when you specified axis equal Matlab will...

3 meses ago | 0

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Answered

Import STL file into matlab and use a transform object as a parent to move it in a 3D plot

You can use this contribution to return the patch structs from a given stl file.

Import STL file into matlab and use a transform object as a parent to move it in a 3D plot

You can use this contribution to return the patch structs from a given stl file.

3 meses ago | 0

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Answered

How can I plot some fft data in a different way?

The first column in the txt files you provided is a DateTime vector, so again, I am not able to understand how ϕ is defined. I w...

How can I plot some fft data in a different way?

The first column in the txt files you provided is a DateTime vector, so again, I am not able to understand how ϕ is defined. I w...

3 meses ago | 0

| accepted

Answered

Posterior probability math to code

First of all, you have to pay attention to the fact that there is no equality in the relation you presented, but rather a propor...

Posterior probability math to code

First of all, you have to pay attention to the fact that there is no equality in the relation you presented, but rather a propor...

3 meses ago | 0

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Answered

comparing a cell with the before it, Percentage of change

If you are defining the rate of change as: the problem becomes easy. Assuming that you have vectors, just use delta = diff(x...

comparing a cell with the before it, Percentage of change

If you are defining the rate of change as: the problem becomes easy. Assuming that you have vectors, just use delta = diff(x...

3 meses ago | 0

| accepted

Answered

How to overcome the error in the listener function while getting the final positions of an interactive ROI?

If you just need to get the position of the ROI, then you do not need necessary to create a listener. Just access the feature Ve...

How to overcome the error in the listener function while getting the final positions of an interactive ROI?

If you just need to get the position of the ROI, then you do not need necessary to create a listener. Just access the feature Ve...

3 meses ago | 0

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Answered

I want to draw two figure in same figure window for comparison purpose.

See the example below if you want to draw data on the same axes: % first signal t = 0:127; x = cos(2*pi*0.01*t); % create ...

I want to draw two figure in same figure window for comparison purpose.

See the example below if you want to draw data on the same axes: % first signal t = 0:127; x = cos(2*pi*0.01*t); % create ...

3 meses ago | 0

Answered

Could anyone help me how to find the difference between the two columns in 10x2 double

Read about Matlab cell arrays and how to access their data here. for your question, do the following: A{1,1}(:,1) - A{1,1}(:...

Could anyone help me how to find the difference between the two columns in 10x2 double

Read about Matlab cell arrays and how to access their data here. for your question, do the following: A{1,1}(:,1) - A{1,1}(:...

3 meses ago | 0

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...

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 meses ago | 0

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...

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 meses 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');

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 meses ago | 0

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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.

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 meses ago | 0

Answered

How to plot this signal on matlab? Bounty

T = 4; % period F = 1/4; % fundamental frequency Fs = 1000; % sampling frequency ...

How to plot this signal on matlab? Bounty

T = 4; % period F = 1/4; % fundamental frequency Fs = 1000; % sampling frequency ...

3 meses 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 ...

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 meses 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 meses ago | 1 answer | 0

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...

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 meses ago | 1

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Solved

Combine Data With Gaps

Combine data sets a and b where the datasets have "gaps" or unique points. Example: Input a = [1,0; 2,1; ...

3 meses ago

Solved

Split array into pieces according to corresponding array

An array x of length n has values 1...m with each value appearing at least once. The values are sorted (n>=m). A second...

3 meses ago

Solved

Neither minima nor maxima

Input v is a vector. Return all the elements of v which are not a local minimum or maximum. Example: v = [1 2 3 4 5] Ou...

3 meses ago