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Jonas


Last seen: 12 dagen ago Active since 2020

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

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Answered
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...

12 dagen ago | 2

| accepted

Answered
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));...

12 dagen ago | 0

Answered
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;...

12 dagen ago | 0

Answered
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...

12 dagen ago | 1

| accepted

Answered
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]; ...

12 dagen ago | 0

Question


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...

12 dagen ago | 0 answers | 0

0

answers

Answered
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...

ongeveer een maand ago | 0

| accepted

Answered
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...

ongeveer 2 maanden ago | 0

Question


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...

ongeveer 2 maanden ago | 2 answers | 0

2

answers

Answered
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...

3 maanden ago | 0

| accepted

Question


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...

8 maanden ago | 0 answers | 0

0

answers

Question


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...

9 maanden ago | 1 answer | 0

1

answer

Answered
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...

10 maanden ago | 1

Question


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 ...

11 maanden ago | 0 answers | 0

0

answers

Answered
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" ...

12 maanden ago | 2

Answered
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...

ongeveer een jaar ago | 0

| accepted

Submitted


partially logarithmic plots
This function allows to plot with x or y axis divided into a logarithmic and linear part.

ongeveer een jaar ago | 1 download |

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Submitted


Data Live Acquisition Live Multi Channel
Mainly see reference to original work. Contains app designer files, exported m files and an .exe of the app

ongeveer een jaar ago | 3 downloads |

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

ongeveer een jaar ago | 0

Answered
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....

ongeveer een jaar ago | 0

| accepted

Question


ListBox MultiSelect simulate always with Ctrl modifier?
dear community, can someone check the ListBox MultiSelect Example from the documentation for me? It does not work for me, I can...

ongeveer een jaar ago | 1 answer | 0

1

answer

Answered
I need help plotting points with * symbol at intervals equal to Ts = 1/fs = 1/7s (Here is my code)?
to plot with * symbol, add it to the plot command, e.g. plot(1:10,rand(10,1),'*') if you still need a line, add a line style: ...

ongeveer een jaar ago | 0

Answered
How to compress 32 bit bmp images to 8 bit bmp?
you can stretch and compress it on your own, just as you want im=imread('new.png'); im=rgb2gray(im); class(im) imshow(im); ...

ongeveer een jaar ago | 0

| accepted

Answered
How do I find the centre of an image?
you can use regionprops for that and let the function return the centroid. This may be the cetner you are searching for. If you...

ongeveer een jaar ago | 0

Answered
x(t) = -u(t-3)+2u(t+1)-2u(t-1)+u(t-3)
please check your given equation, the last and first term cancel out each other. Nevertheless, i kept both of them in the code b...

ongeveer een jaar ago | 0

Answered
How to capture whole app.UIFigure with exportapp?
you could try to temporarly increase the figure size, export it and restore old behavior %% create ui figure with three but...

ongeveer een jaar ago | 0

Answered
Index exceeds the number of array elements. Index must not exceed 1.
you can initialize your array before the loop a1=0.7;a2=0.1; omega1=20;omega2=40; G=10;C12=0;C21=0.003; dt=0.01; %step siz...

ongeveer een jaar ago | 0

Answered
How to extract data from a table format HTML?
without digging deeper into html, we can use just text seach: d=webread('http://www.knapsackfamily.com/knapsack_core/informatio...

ongeveer een jaar ago | 1

| accepted

Question


How to ensure that a MATLAB executable can communicate with NI Data Acquisition Cards
Dear community, I want to create a small Matlab GUI which can handle NI DAQ devices. Later, I want to compile my application to...

ongeveer een jaar ago | 1 answer | 0

1

answer

Answered
How to interpolate a set of data wher the X size is different for the Y size
you can usw meshgrid to prepare your xq and yq: Y=9:13;X=1:2:5;Z=rand(5,3); [xq,yq]=meshgrid(1:0.5:5,9:0.5:13); inter...

ongeveer een jaar ago | 0

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