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Petr Michalek


Czech Academy of Sciences

Last seen: 2 days ago Active since 2018

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Align xticklabels along horizontal line
Hello, I have this bar chart, and I need that the xticklabels (the days) have to be aligned along horizontal line. I need, that...

7 months ago | 1 answer | 0

1

answer

Answered
Calculate std with retime function
I have already found a working code: tab20stdret=retime(tab20sel,'regular',@std,'TimeStep',newtimestep); Petr

10 months ago | 0

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Question


Calculate std with retime function
Hello, I have a timetable tab20sel vith 4 variables Var1-Var4 (wind velocity components and temperature), sampled at 10 Hz, fir...

10 months ago | 1 answer | 0

1

answer

Question


custom logarithmic fit with three coefficients
Hello everyone, I am trying to fit a custom logarithmic function logfit2 = fittype('a + b*log(c*x)','dependent',{'y'},'indepen...

1 year ago | 1 answer | 0

1

answer

Question


extract numbers from specific lines in text file
Hello, I have a .txt file with mixed measurement data and text. There are lines with coordinates which look like like this: (m...

1 year ago | 1 answer | 0

1

answer

Question


divide year time data into days and nights
Hello, I have a table of time data for entire year and I would like to divide them into days and nights. The table rows look l...

1 year ago | 2 answers | 0

2

answers

Question


How to calculate vorticity and rotation of the vector field
Hello, I need to calculate the vorticity and rotation of the vector field with the curl function, but I get only Infs and NaNs...

2 years ago | 0 answers | 0

0

answers

Question


Streamlines do not plot
Hello, I have a problem with plotting the 2D streamlines in a flow around a cylinder. The quiver plot works fine, but the strea...

3 years ago | 1 answer | 0

1

answer

Question


Partial data fitting with optimization
Hello, I need to fit the central part of this curve (-100,100) with a linear function, so that the difference between the curve...

6 years ago | 1 answer | 0

1

answer