Petr Michalek

Czech Academy of Sciences

Last seen: ongeveer 2 maanden ago | Active since 2018

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Question

Moving mean of a vector with unsorted values
Hello everyone, I have a vector of measured angle values (1x61 double), which was measured in this direction: 15:-1:-15 and the...

ongeveer 2 maanden ago | 2 answers | 0

2

answers

Question

Matlab Help browser in chinese
Hello, somehow my MATLAB R2023b Help brower switched to Chinese or Korean (?) language. How can I set it back to English? Than...

2 maanden ago | 1 answer | 0

1

answer

Question

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...

meer dan een jaar 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

bijna 2 jaar ago | 0

| accepted

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...

bijna 2 jaar 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...

ongeveer 2 jaar 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...

meer dan 2 jaar 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...

meer dan 2 jaar 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...

meer dan 3 jaar ago | 0 answers | 0

0

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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...

ongeveer 4 jaar 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...

ongeveer 7 jaar ago | 1 answer | 0

1

answer