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ahmad Saad


alexandria

Last seen: 4 mois il y a |  Actif depuis 2017

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MSSA method multichannel spectrum analysis
How we can use multichannel spectrum analysis with time series contain temporal and spatial data :time, latitude , longitude ?...

4 mois il y a | 1 réponse | 0

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réponse

Question


How to performed statistical calculations
Hi; How to performed statistical calculations (as defined in the attached file) such as: Normalized Mean Squared Error (NMS...

environ un an il y a | 1 réponse | 0

1

réponse

Question


smoothing datasets containg nan
how i can smooth these data : data=[1 1.927259 2 1.519675 3 2.553609 4 3.138377 5 3.6647 ...

environ un an il y a | 2 réponses | 0

2

réponses

Question


how to smooth these data ?
how i can smooth these data : data=[1 1.927259 2 1.519675 3 2.553609 4 3.138377 5 3.6647 ...

environ un an il y a | 1 réponse | 0

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réponse

Question


how to plot a map
Hi, i need to know how i can plot this map ?

environ un an il y a | 1 réponse | 0

1

réponse

Question


how to smooth data
Hi; how to get the smoothed values of these data: 1 NaN 2 1.356390367 3 1.295994741 4 1.50041999 5 2.790612162 6 4.622462...

environ un an il y a | 1 réponse | 0

1

réponse

Question


how to calculate the validation metrics ?
Hi; how i can compute and plot the attached figure for the validation metrics ????

environ un an il y a | 1 réponse | 0

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Question


how to make linear fit
Hi; How to make a plot similar to the attached figure ??

environ un an il y a | 1 réponse | 0

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Réponse apportée
plot data points on a map
@Dyuman Joshi Unfortunately, not yet. i still have ver 2018a

environ un an il y a | 0

Question


plot data points on a map
i need to plot the attached figure. where col1: lat col2 :long col3: obs

environ un an il y a | 1 réponse | 0

1

réponse

Question


plot a geographical map
Hi; how i can plot a map like that in the attached file using matlab????

environ un an il y a | 1 réponse | 0

1

réponse

Question


how to grid data
Hi; I have the attached data: Col1: time, Col2: lat, Col3: long, Col4: obs I need to grid these data (2.5 lat x 5 long). ...

environ un an il y a | 1 réponse | 0

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Question


how to bin data
i have (attahed) dataset of 3 cols : (1st for lat. ,2nd for long., and the 3rd for datavalues). i need to bin these data i...

environ un an il y a | 2 réponses | 0

2

réponses

Question


combine data into hourly-based data
Col2 is a time column and i need to classify the attached data to be hourly-based data. for example: for 0 < col2 <=1 ...

plus d'un an il y a | 2 réponses | 0

2

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Question


comparing two matrices of different dimensions
i have two matrices,A with dimension (23,2) and B with dimension (50465,2) . i compare the first col of each matrix. ...

plus d'un an il y a | 2 réponses | 0

2

réponses

Question


bandpass filter for daily data ???
i want to apply a band pass filter to keep only the frequency components between 1/1000 day-1 : 1/5 day-1

presque 7 ans il y a | 1 réponse | 0

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Question


inverse wavelet and reconstruction of time series
how i can reconstruct a time series between the scales 4-1024 using Morlet wavelet (i.e, using wavelet as a bandpass filter) ?

presque 7 ans il y a | 1 réponse | 0

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Réponse apportée
two for Nested Loops
Birdman deep thanks, it works fine, thanks : Birdman

presque 7 ans il y a | 0

Réponse apportée
two for Nested Loops
This the actual data from 1/10/2017 to 30/11/2017 the output should have 61 values

presque 7 ans il y a | 0

Réponse apportée
two for Nested Loops
I'm very grateful for all. i'll check the answers and feek back the answers are really helpfull thanks again

presque 7 ans il y a | 0

Question


two for Nested Loops
How i can sum the third column to get the average over each 24 values of the second coloumn?

presque 7 ans il y a | 6 réponses | 0

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réponses

Question


About Butterworth filter design ?
Please; anyone can help me to design a Buttterworth filter for the attached data in the daily bases? i want to keep freq compo...

plus de 7 ans il y a | 1 réponse | 0

1

réponse