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Jonas


Last seen: 2 months 前 |  自 2020 起处于活动状态

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Programming Languages:
C++, Java, MATLAB
Spoken Languages:
English, French, German

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已回答
drawrectangle not working consistently, help!
is this still an issue? I remember having also problems with that, but at the moment, I cannot replicate the problem in 2022a f...

2 months 前 | 0

提问


Why is exportgraphics not fully supported in Matlab for Desktop?
I saw that the exportgraphics function can now handle inputs concerning width and height. Unfortunately, this is only the case f...

2 months 前 | 1 个回答 | 0

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个回答

已回答
I am getting wrong results for the Continuous wavelet transform (CWT) on converting the frequency axis (Y Axis) from log scale to linear scale for the same frequency limits.
you could interpolate the image pixels, but this makes the upper frequency values barely visible fs = 10000; % Sampling freque...

2 months 前 | 0

已回答
How can I do a linebreak in the categories?
yes you could "hack" it using a tabular in latex. just use "\\" as line break, like you know it from the line endings from the t...

2 months 前 | 1

| 已接受

已回答
Extracting data from struct as matrix
as you already said, you canot concatenate the data as matrix, since it has different size. you could use a cell array, but this...

5 months 前 | 1

提问


How to create a suitable statistical test for my repeated measures problem with unequal sample sizes?
dear community, i have the following problem: I want to test differences of specific repeated measures during a pre and a post ...

5 months 前 | 1 个回答 | 0

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提问


Why does the tiledlayout keep the whitespace between tiles although TileSpacing is 'tight'
dear community, i have a tiledlayout with TileSpacing set to 'tight', but the upper row keeps space below it, altough there is ...

6 months 前 | 1 个回答 | 0

1

个回答

已回答
How to plot this in MATLAB?
this could work theta = linspace (-pi/4,pi/4); x = 0.5*cos(theta).*sqrt(2.*cos(2.*theta)); y = 0.5*sin(theta).*sqrt(2.*cos(2....

8 months 前 | 1

| 已接受

已回答
How do I count the number of times my graph crosses two separate lines?
maybe too caomplicated, but this can work: data=[1:10 9:-1:1 2:10 9:-1:1 2:10]; % row vector to not get problems with num2str...

8 months 前 | 0

已回答
Running excel VBA script via Matlab yields different chart position
this seemed to be an issue maybe related to the graphics card(s) or the excel application itself. The workaround for me was to s...

8 months 前 | 0

| 已接受

已回答
How to calculate the angle between two 3D vectors?
look here: https://de.mathworks.com/matlabcentral/answers/328240-calculate-the-3d-angle-between-two-vectors P1=[78,47,88]-[128...

9 months 前 | 0

已回答
Reference to non-existent field 'folder'.
if there are no .nc files in the current directory, then files = dir('*.nc'); will be empty, and as consequence files(k) wi...

9 months 前 | 0

已回答
How to have smithPlot with outer area with white colour?
weird function. i never used it before. but setting the Figure color before plotting with the smithplot seems to use the backgro...

9 months 前 | 2

| 已接受

已回答
How to get a set aspect ratio of 4:3 on a figure?
you could use pbaspect on each subplot figure; ax1=subplot(2,1,1); plot(rand(10,1)); ax2=subplot(2,1,2); plot(rand(100,1));...

9 months 前 | 0

已回答
How to normalize a signal for each half cycle?
you could normalize by using a moving max window with size a bit bigger than half of one cycle: f=10; fs=100; t=0:1/fs:2;...

9 months 前 | 0

已回答
How do I make it so my Plot keeps the same colours
for me this looks like an error that has nothing to do with the disableDefaultInteraction using % plot(app.LiveAxes, app.T...

9 months 前 | 1

| 已接受

已回答
Minimale en maximale data uit de matrix filteren
what about something like that: mat=[7 8 9 10 11 12 13; 1 2 4 5 8 2 12; 3 6 10 15 1 6 8]; colsToEdit=[1 3 7]; ...

9 months 前 | 0

提问


Running excel VBA script via Matlab yields different chart position
dear community, I am trying to run a VBA script in excel using Matlab. Running in Excel, the created chart is positioned 2 colu...

9 months 前 | 1 个回答 | 0

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已回答
Problems in recognising text with OCR from clear logical array
i guess it is just a mishandling of the automatic mode recognition: I=imread('testOCR.png'); I=rgb2gray(I); imshow(I); c=ocr...

10 months 前 | 0

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已回答
paralelise nested for loop with skipped indexes
Yes, there is a more efficient way to do this by utilizing a combination of vectorized operations and sparse matrix creation tec...

10 months 前 | 0

提问


Do I have to correct correlation values for two series originating from overlapped analysis?
Dear community, I want to have a look into the correlation of two parameters. Since those parameters originate from an overlapp...

11 months 前 | 2 个回答 | 0

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已回答
How to access App version number from inside the App
hi Steven, do you have powershell available (are you on windows)? then have a try with the attached m file and the prj file fo...

1 year 前 | 0

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提问


how to use ranova with repeated repeated measurements
dear community, I have an experiment where 12 subjects were measured during 2 tasks and during each task, a certain value was m...

1 year 前 | 0 个回答 | 0

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提问


uicontrol does not allow 'remove' as String during component creation
Dear community, are there reserved keywords for the text-style uicontrol? I could not find a list for that but I noticed that I...

1 year 前 | 1 个回答 | 0

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个回答

已回答
Period Length of the random numbers generated by rand() and randn()
don't confuse yourself, random number do not have a period length, but what you actually mean may be the rate e.g. after which a...

1 year 前 | 1

提问


Plot position in uiaxes not precise?
Dear community, - Edit below - I tried to plot a cross on an image placed into a uiaxes in a uifigure and i noticed, that the ...

1 year 前 | 0 个回答 | 0

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个回答

已回答
how to: multiple choises in if-function
looks good, but you could increase readability e.g. by using the ismember function alphabet = ["A" "B" "C" "D" "E" "F" "G" "H" ...

1 year 前 | 2

已回答
How to make a Subplots using set(gca,'position') command?
you could create the axes by yourself and set the positioning as you did figure('Color',[0.9 0.9 0.9]); % create figure and use...

1 year 前 | 0

| 已接受

已回答
automatic refresh webread data
create a timer object, use a method for repeated execution and add the callback EDIT: e.g. function doStuff() intervalInS=...

2 years 前 | 0

已回答
ListBox MultiSelect simulate always with Ctrl modifier?
I tried to circumvent the ctrl modofier in such a way, that I look into the event's previous value and delete/save as necessary....

2 years 前 | 0

| 已接受

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