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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回答済み
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...
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...
5年以上 前 | 0
質問
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 ...
5年以上 前 | 3 件の回答 | 0
3
回答回答済み
Error 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>>
Error 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>>
5年以上 前 | 0
| 採用済み
回答済み
How do I plot a multivariate distribution?
Consider the following example: NoOfPoints = 1000; % Generate 'x' and 'y' x = rand(NoOfPoints,1); y ...
How do I plot a multivariate distribution?
Consider the following example: NoOfPoints = 1000; % Generate 'x' and 'y' x = rand(NoOfPoints,1); y ...
5年以上 前 | 0
| 採用済み
質問
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...
6年弱 前 | 2 件の回答 | 0
2
回答回答済み
How 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...
How 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...
6年弱 前 | 0
| 採用済み
回答済み
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...
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...
6年弱 前 | 0
| 採用済み
回答済み
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...
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...
6年弱 前 | 1
| 採用済み
回答済み
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....
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....
6年弱 前 | 0
| 採用済み
回答済み
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'); % ...
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'); % ...
6年弱 前 | 0
| 採用済み
回答済み
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...
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...
6年弱 前 | 2
回答済み
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...
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...
6年弱 前 | 0
回答済み
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...
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...
6年弱 前 | 0
回答済み
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...
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...
6年弱 前 | 1
回答済み
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...
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...
6年弱 前 | 1
| 採用済み
回答済み
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> ...
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> ...
6年弱 前 | 0
回答済み
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 ...
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 ...
6年弱 前 | 0
回答済み
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...
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...
6年弱 前 | 0
回答済み
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 ...
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 ...
約6年 前 | 0
回答済み
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(...
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(...
約6年 前 | 0
| 採用済み
回答済み
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...
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...
約6年 前 | 0
回答済み
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...
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...
約6年 前 | 1
| 採用済み
回答済み
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...
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...
約6年 前 | 1
回答済み
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...
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...
約6年 前 | 0
| 採用済み
回答済み
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...
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...
約6年 前 | 0
回答済み
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...
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...
約6年 前 | 0
回答済み
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); ...
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); ...
約6年 前 | 1
回答済み
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...
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...
約6年 前 | 0
回答済み
Long-horizon predictive regressions
The R value calculation is available in Matlab: * <https://uk.mathworks.com/help/matlab/ref/corrcoef.html R coefficient> As ...
Long-horizon predictive regressions
The R value calculation is available in Matlab: * <https://uk.mathworks.com/help/matlab/ref/corrcoef.html R coefficient> As ...
約6年 前 | 0
| 採用済み
回答済み
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 ...
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 ...
約6年 前 | 0
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