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Insert new row with values in a table before specific values
WP1 = [0 145 169 1693 1708 2729 0 48]; WP2 = [145 169 1693 1708 2729 2779 48 1382]; WC = [0 1 1 1 1 0 0 1]; dat = [WP1', WP...

6ヶ月 前 | 0

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How to split table cell into two columns based on data type?
Below is an example with toy data showing what you need to do. clc, clear, T1 = [1;2]; T2 = {'Y12'; 'Y2'}; T3 = {'H12'; 'H0'}...

6ヶ月 前 | 0

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How to generate a periodic customized waveform?
This simple function can compute the signal you need. Use lambda to control the decay and see the other parameters. function x...

6ヶ月 前 | 0

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How to plot ifft for a frequency signal?
clc, close all fs = 32768; fidx = z.Date23122013; specOneSide = z.Time100351; [fidx, idx] = unique(fidx); specOneSide =...

6ヶ月 前 | 0

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Creating a modified audiofile
clc, clear % load data load handel.mat filename = 'handel.wav'; audiowrite(filename, y, Fs); % save only 2 second of au...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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 ...

6ヶ月 前 | 0

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cell2mat too slow
To speed up the computations, you simply need to avoid using structure arrays.

6ヶ月 前 | 0

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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'...

6ヶ月 前 | 0

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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 ...

6ヶ月 前 | 0

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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 ...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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 ...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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.

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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 ...

6ヶ月 前 | 0

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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}(:...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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...

6ヶ月 前 | 0

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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');

6ヶ月 前 | 0

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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.

7ヶ月 前 | 0

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

7ヶ月 前 | 0

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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 ...

7ヶ月 前 | 0

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