Answered
How can I save the output figure into an image file?
A easy way is to use exportgraphics, introduced in R2020a: f = figure; imshow(...); exportgraphics(f, 'filename.jpg'); % or ....

5 mois ago | 0

Answered
Generate acoustic signal with difference rise time and fall time
Here's a simple approach that provides separate control for the rise or attack time (n1), the sustain time (n2), and the decay o...

5 mois ago | 0

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Answered
Store identical rows in specified column
This seems to answer your question. There are 41 uniques IDs in the second column of your data set. The code below extracts th...

5 mois ago | 0

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Answered
Save marked point on plot
OK, this seems to to work. The x-y coordinates of the marked points are output to the command window (along with the figure num...

5 mois ago | 0

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Answered
Save marked point on plot
Since you haven't provided any data or code, this is a rough answer only: [pks, locn] = findpeaks(-y, 'MinPeakProminence', 0.1)...

5 mois ago | 0

Answered
How to convert an excel file (.csv) to a .wav format/any other audio format file?
I was able to play your audio data and save it as a .wav file. It's some sort of noise along with a dripping sound. But, I had...

5 mois ago | 1

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Answered
how to easily and quickly change the variable names (headers) of multiple tables
For each table, it can be done like this: (To illustrate, this example is just for 5 columns) T = array2table(rand(3,5)); vn =...

5 mois ago | 0

Answered
How to assign Nans to specific column, not entire row
Your first attempt was almost correct. Here's the fix: ZB1array = rand(5,5) % test data idx = ZB1array(:,4) < 0.95; ZB1arra...

5 mois ago | 0

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Answered
How to find the sum of characters in a cell array?
bowling= {{7,2,8,'/',6,2,'X',9,'/',9,0,'X','X',8,1,7,'/',9}, {'X',9, '/','X',8,'/','X','X',7,2,'X',8,'/',9,0}}; num_spares = su...

5 mois ago | 2

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Answered
Plotting periodic sawtooth wave with 25%, 50% and 75% duty cycle
I'm sure there are other (perhaps better) ways to do this, but I think the following code achieves what you are after: % create...

5 mois ago | 0

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Answered
why is my plot only showing 1 diagonal line
First, you probably should move the plot functions outside the while loop. Build up the vectors, then plot! But, the reason ...

5 mois ago | 0

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How can I draw a line with two points x1, y1 and x2, y2 and assign weight to the edge.
x1 = 0; x2 = 1; y1 = 0; y2 = 1; line([x1 x2], [y1 y2], 'linewidth', 5); text(0.45, 0.55, '10', 'FontSize', 14);

5 mois ago | 0

Answered
how to write equation in legend correctly in latex
MATLAB by default uses a subset of TeX. That's probably all you need: % test data a=1.2345; plot(rand(1,5)); legend(['t_{...

5 mois ago | 0

Answered
Subscript indices must either be real positive integers or logicals.
You've got some funny things going on with the S_x and S_y variables. I made a small change: building up the S_x and S_y values...

5 mois ago | 1

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Answered
How to draw a letter T ? the background is black and the letter itself white
Just add another white block for the top of the T: A = zeros(500, 500); A(100:200, 100:200) = 255; A(50:100, 50:250) = 255; ...

5 mois ago | 1

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Answered
Decide values of row in matrix for certain row intervals
rows=150001;window=500; res=zeros(rows-window,4); flagstart = [11600 42410 72480 102100 132000]; flagend = [22620 52410 825...

5 mois ago | 0

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Answered
Using fft to plot frequency spectrum of sum of rectangular pulses
I think this is what you are after. Mostly, this code just follows the example in the fft documentation, particularly w.r.t. ge...

5 mois ago | 1

Answered
Histrogram/bar chart plot problem
The code below uses your data and generates a bar chart similar to your sketch. I'm not sure how picky you are about the colors...

5 mois ago | 0

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Answered
How to specify max. number of outliers on which to apply the Hampel filter?
There's probably a simpler way to do this, but I believe the code below achieves what you are after: % test data x1 = randi([5...

5 mois ago | 0

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Answered
Remove unwanted noise from scatter plot using Matlab
There are many ways to approach this, for example using smoothdata or rmoutliers. Both functions have options to control how th...

6 mois ago | 0

Answered
How to Create a Surface Plot from Table Data Imported from Excel
Given some test data (attached) similar to yours... ... a surface plot can be created thus... M = readmatrix('testdata.xlsx'...

6 mois ago | 1

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Answered
How to use separate locations for axis location and axis labels?
You don't need to set the x-axis location. Delete that line and then use yline to get a line at y = 0: figure time = [0 1 2 3...

6 mois ago | 0

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Answered
How to draw sinewave with Scalling
Just shift the values in z up by constant... maxV=100; minV=5; f = 30; fs = 1e4; % samples per second t=...

6 mois ago | 0

Answered
shift matrix to the right
Perhaps this is what you are looking for: A=[0 0 1 1 0 0 1 1] B=[0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1] m = numel(A); n = numel(B)...

6 mois ago | 2

Answered
Image plot with quiver vector overlain
quiver is drawing on top of the image. You haven't provided any data or code that can be executed, so it's hard to tell what th...

6 mois ago | 0

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How to read array from a text file into each row of a matrix.
OK, this should work. First, combine dir and pktFile using the fullfile function. Read the data using readtable, then restore ...

6 mois ago | 0

Answered
Two way Repeated Measures ANOVA two different ways
@Mark Robinson The reason anovan and ranova give different results is that the within table in your solution using ranova is not...

6 mois ago | 1

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Answered
How to import .csv files, keeping all the headers (which are on multiples rows) in order to extract some information from the headers?
Assuming your files are consistently formatted, here's one way to extract the data values in the header lines and then read the ...

6 mois ago | 1

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Answered
Divide data in parts and plot them on a vertical line
From your description, this seems to work: M = [ 0.873615503511876 100 3.3; 0.902974727374816 100 3.3; 0.90067...

6 mois ago | 0

Answered
How do I make a vector containing 30 cells that range from -5 to 45?
randi([-5 45],1,30)

6 mois ago | 0

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