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Ivan Volodin


Last seen: etwa 2 Jahre vor |  Aktiv seit 2017

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Calculate average size of circles in jpg
Hello! I have pretty standart task to calculate average size of circles on variety of jpg files. So the whole application w...

etwa 6 Jahre vor | 1 Antwort | 0

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Calculate true in binary array specifically
Hello! I have a boolean one-dimensional array, like binary = [0,0,0,1,0,1,0,1,1,1,0,1,1,1,0,0,0,1,1,0 ..., 0] And I...

etwa 6 Jahre vor | 1 Antwort | 0

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Subscript indices must either be real positive integers or logicals.while reading data from huge file
Hello! I have file with this structure Step 1 0.10190103 0.10145140 0.10097524 0.10050153 ...

mehr als 6 Jahre vor | 0 Antworten | 0

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Read data from file
Hello! I was not sure which title fits better in my case so I just left it to be written in the most general way. I have th...

mehr als 6 Jahre vor | 1 Antwort | 0

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better visualization of quiver()
Hello! I have some velocity-field, which I am trying to visualize by this code: quiver(x,y,Vx,Vy); Vx and Vy are arra...

mehr als 7 Jahre vor | 1 Antwort | 0

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read data from file to two-dimensional array
Hello! There is a file, where 50x50 values are written, all in all 2500 values. They are written like this: 1 ...

mehr als 7 Jahre vor | 1 Antwort | 0

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Problems with normalization in fourier transform
I worked with fft() in matlab and tried to get spectrum two variete ways: 1) fft() from signal itsefl 2) fft() from autocorrelat...

mehr als 7 Jahre vor | 0 Antworten | 0

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Get autocorrelation function (ACF) two various ways
Hello! I would like to find ACF from signal first_step=0; step_t=0.01; last_step=1; N_=101; t=first_step:st...

mehr als 7 Jahre vor | 0 Antworten | 0

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Get spectrum from autocorrelation function using fft()
Hello! I would like to observe Fourier Spectrum, got through Autocorrelation function. This is my code: clear;clc; %%...

mehr als 7 Jahre vor | 0 Antworten | 0

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The easiest way to add a line of determined slope to a loglog
Hello! I have a graph made by loglog(); and I would like to add determined slope. I am not saying about linear fit or...

mehr als 7 Jahre vor | 1 Antwort | 0

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Difference between spectrum of signal and amplitude of signal. Fourier Transform
Hello! I would very much pleased by knowing the following. If you have some signal and than acting to it by fft() Fourier tra...

mehr als 7 Jahre vor | 0 Antworten | 0

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Get spectrum. Fourier Transform
Hello! I need to get Fourier spectrum. I think, I am close to the goal, but have some misunderstandings. Variable 'signal' c...

mehr als 7 Jahre vor | 1 Antwort | 0

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Get view of overlapping two 3d surfs
Hello! I would like to be able to see how two different 3d plots overlapps. The problem is, when I create two different surfs ...

mehr als 7 Jahre vor | 1 Antwort | 0

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