Pawel Jastrzebski
Mahle Engine Systems Ltd
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Project Leader at Product Testing department.
Mahle UK R&D Center for automotive engine plain bearings.
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Feeds
How to properly apply cellfun in this case - text spliting
<https://uk.mathworks.com/matlabcentral/profile/authors/3073010-rik-wisselink Rik Wisselink>, <https://uk.mathworks.com/matlabce...
alrededor de 6 años hace | 0
Pregunta
How to properly apply cellfun in this case - text spliting
I've got a table like this and my task is to separate the parameter name from a value: t = 10×1 table ...
alrededor de 6 años hace | 3 respuestas | 0
3
respuestasError using figure: First argument must be a figure object or a positive Integer
The doc says the input argument must be of double type: <</matlabcentral/answers/uploaded_files/128021/Capture.PNG>>
más de 6 años hace | 0
| aceptada
How do I plot a multivariate distribution?
Consider the following example: NoOfPoints = 1000; % Generate 'x' and 'y' x = rand(NoOfPoints,1); y ...
más de 6 años hace | 0
| aceptada
Pregunta
How to use 'setvartype' to get the variable as 'datetime' formatted as: yyyy-MM-dd
I've got a spreadsheet which gets imported into Matlab via *readtable()*. Prior to importing I use *detectImportOptions()* an...
más de 6 años hace | 2 respuestas | 0
2
respuestasHow to generate a sine signal in which initially frequency increases linearly, then remains constant for some time and again decreases linearly.
Would it look like this: <</matlabcentral/answers/uploaded_files/126310/untitled.jpg>> % y = sine(2*pi*f*t) t...
más de 6 años hace | 0
| aceptada
Plotting multiple trajectories on map
This is roughly how I would go about this problem [code untested]: % Get all the file names in the folder filename = dir...
más de 6 años hace | 0
| aceptada
Why is the correlation matrix much larger than the original matrix?
Have you checked the documentation for the corrcoef function? It explains exactly how the results are obtained: * <https://uk...
más de 6 años hace | 1
| aceptada
Plotting very small values using bar command
If you have a mix of relatively high and low values, you might want to consider using the logarithmic scale for the y-axis, i.e....
más de 6 años hace | 0
| aceptada
How to apply function to certain files in directory
Just get the function to work on the selected files in the folder to begin with: i.e. fileNames = dir('*.raw'); % ...
más de 6 años hace | 0
| aceptada
How to remove consecutive duplicates ?
Consider the following example: ConsecDuplic = [1 2 2 3 4 5 5 5 6 7 8 9 9] % Logical vector: % check if next val...
más de 6 años hace | 2
How can I recognize an empty row in the middle of an Excel file?
Consider the following code: % STEP 1: LOAD DATA % load excel file to a table t = readtable('BF1.xlsx'); % thi...
más de 6 años hace | 0
I need to put data from columns in different cells into one vector
Consider the following example: % 1. Create fake data (you'll use the real data) % create empty cell 1x20 c = cel...
más de 6 años hace | 0
I am getting Unbalanced or unexpected parenthesis or bracket?
*Line 1:* get rid of the comma: if PlotVI_Module *Line 15 and 25:* change round brackets to square ones and you had a on...
más de 6 años hace | 1
how to add numbers and labels to scatterplot bubbles?
There's a function called: * <https://uk.mathworks.com/help/matlab/ref/text.html?s_tid=doc_ta Text> that is used for label...
más de 6 años hace | 1
| aceptada
How do I change axes orientation to a desired one
See documentation for: * <https://uk.mathworks.com/help/matlab/ref/view.html?searchHighlight=view&s_tid=doc_srchtitle view> ...
más de 6 años hace | 0
Cut random 30secs of audio from an audio recording .wav
This code will allow you to import and export all of the audio files in your current folder: % get file names in the ...
más de 6 años hace | 0
How to extract information from the filename?
This will get you the structure of all of the text files in your current folder: x = dir('*.txt') % structure In m...
más de 6 años hace | 0
How to find vectors that are multiple of other vectors inside a matrix
I think this will get you going. This code will help you identify which 'NextRow' is a multiplier of 'previousRow': % DATA ...
más de 6 años hace | 0
How do i plot?
Is this what you meant? dt = 0.0001; t = 0:dt:0.02; y = (5+cos(20*pi*t)).*cos(2*pi*100*t); figure; plot(...
más de 6 años hace | 0
| aceptada
How to plot vertical lines for reference using vline?
I've moved my comment to the answer so the question can be closed. I've also tried to copy your example to show you what I think...
más de 6 años hace | 0
Covariance calculation like excel formula
Given the code: A = randi([18 22], 20,1) B = randi([15 25], 20,1) C = cov(A,B) This is the outcome that you'll...
más de 6 años hace | 1
| aceptada
How to add an interval to a number?
This example should have the answers to your problems: % Values that can be changed in the code: % d, Xu, Yu % or...
más de 6 años hace | 1
2D color or surface plot based on 3 vectors of data
How about this: % interpolation data % as in: % https://uk.mathworks.com/help/matlab/ref/scatteredinterpolant.html?se...
más de 6 años hace | 0
| aceptada
2D color or surface plot based on 3 vectors of data
In order to be able to use contour plot, your Z data need to be of X*Y size. What you can do is the following: % C is a ma...
más de 6 años hace | 0
how compute the pixel sum for image?
# Use <https://uk.mathworks.com/help/matlab/ref/imread.html#btnczv9-1-A imread - output> to load the image into Matlab and store...
más de 6 años hace | 0
Getting corresponding y values from moving average graph when having x values
Consider the following example: % RANDOM DATA startDate = datetime(2018,01,01); endDate = datetime(2018,04,01); ...
más de 6 años hace | 1
To label same X axis twice
You can certainly add minor ticks and show them on the grid but I'm not sure if there's an easy way to label them. In other word...
más de 6 años hace | 0
Long-horizon predictive regressions
The R value calculation is available in Matlab: * <https://uk.mathworks.com/help/matlab/ref/corrcoef.html R coefficient> As ...
más de 6 años hace | 0
| aceptada
how to save 120 figures in a folder defined by user and later retrieve it?
When you say 120-off figures: * Are these matlab figures *.fig*? Also, see the code below that was used to create what is ...
más de 6 años hace | 0
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