Joydeb Saha

Last seen: 3 Monate vor | Aktiv seit 2020

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Distribution of Lightning in different circles for different distances
Consider the cyclone eye cordinate is 15.0, 88.4. The lightning data is E:\LIGHT\a.nc [ncid = netcdf.open(ncFilePath, 'NOWRITE'...

3 Monate vor | 1 Antwort | 0

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Detection of storms from precipitation data
I have 5 min intervals of precipitation data that I am trying to sum into separate storm events. 6 hours of no precipitation (...

6 Monate vor | 2 Antworten | 0

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Unable to use load coast and geoshow as it was in the R2017a version.
clear clc ncFilePath = 'E:\ERA5\U\U_Clim_1987_2016\U_06\U_06.nc'; ncid = netcdf.open(ncFilePath, 'NOWRITE'); lat = n...

9 Monate vor | 1 Antwort | 0

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Error in reading variables in netcdf files
javaaddpath('D:\SHUM\NetCDF file read\netcdf souceforge\mexcdf\netcdfAll-4.2.jar'); javaaddpath('D:\SHUM\NetCDF file read\netcd...

9 Monate vor | 1 Antwort | 0

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I have longitude data from -280 to 80, latitude data -90 to +90. I need to plot a global spatial map of Temperature data. (-180, -90, 180, 90). How to do it
I have longitude data from -280 to 80, latitude data -90 to +90. I need to plot a global spatial map of Temperature data. (-180,...

9 Monate vor | 1 Antwort | 0

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Bar plot for two matrices together
I have two matrices ww and si. I want to make a bar plot with this two. For each year (x-axis) I need to show 2 bars – one ww an...

fast 2 Jahre vor | 1 Antwort | 0

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Percentage increase and decrease from two matrices
Attaching two matrices A1 and B1. I want to calculate the percentage increase and decrease deltaSignal = (B1 - A1); percentag...

fast 2 Jahre vor | 1 Antwort | 0

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Convert pixels in lat-lon to kilometer square
How can I change the pixels (in lat longs) of some monthly .nc files to kilometere square for every month. Spatial resolution of...

etwa 2 Jahre vor | 0 Antworten | 0

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Convert pixels to kilometer square
I have some monthly .nc files (one is attached). I need to find the pixels which are above threshold three (3) for all the month...

etwa 2 Jahre vor | 0 Antworten | 0

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Moving Decimal Places to the right
How can I get the number format as 1412701202.018284 for an exponent format data 1.412701202025964e+09. May be with sprintf "%....

etwa 2 Jahre vor | 1 Antwort | 0

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How to make a density map (per square km per year)
I have a .mat file where the 7th (latitude) and 8th (longitudes) columns are the lightning stroke counts. How to make a density ...

etwa 2 Jahre vor | 0 Antworten | 0

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How to make a lightning strokes/ square km / day map
I have WWLLN data in .loc format. I have 92 files, from where I need to select the lats and lons (strokes) for +/-30 location on...

etwa 2 Jahre vor | 0 Antworten | 0

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Read and taking selected lat-longs from few .loc files and plot in geoshow
I have 92 .loc files in the current folder. The volume of all the files is large. I need to read all the files one by one and s...

etwa 2 Jahre vor | 0 Antworten | 0

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How can I change the data in lat lon and time format so that I can make a spatial map
Usually we make spatial plots by : h=pcolor(LON,LAT,Data); in this format. But in the new data, they have XC and YC, the projec...

mehr als 2 Jahre vor | 1 Antwort | 0

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Changing the orientation Arctic Projection maps
[LON,LAT] = meshgrid(lon1,lat1); % hold on fs=20; load coastlines figure('Color','w'); axesm('stereo','MapLat...

mehr als 2 Jahre vor | 1 Antwort | 0

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Making a geoshow map with many mat files having large number of rows
I have total 92 number of matfiles having more tham 600000 number of rows for each matfiles. Column number 7 and 8 are the latit...

mehr als 2 Jahre vor | 0 Antworten | 0

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netcdf file read and write
I have a netcdf file A.nc containing monthly data from 2011 to 2020. Say the main data is for specific humidity. The variables a...

mehr als 2 Jahre vor | 0 Antworten | 0

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circular pcolor map (looking down on the north pole)
How can I produce a circular pcolor map (looking down on the north pole) ?

mehr als 2 Jahre vor | 0 Antworten | 0

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Increasing number of data points by linear interpolation method
I have attached a mat file. There are 7 datapoints in the matrix. This is a 7x2 matrix. How can I make it may be 70x2 matrix by ...

mehr als 2 Jahre vor | 3 Antworten | 0

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Double y axis plot when two data sets are not starting from the same time
I have two data sets A and B. A = 20x1 and B=11x1. I want to make double y axis plot with these datasets. But the plot should be...

mehr als 2 Jahre vor | 1 Antwort | 0

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How can I plot or place three or four figures in one figure
I have three figures size 198kb, 208kb and 187kb. How can i make those figures showing in a single panel? say the figure names a...

mehr als 2 Jahre vor | 1 Antwort | 0

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how can i use a loop to run the specific code
If there are number of datafiles in the current folder, how can i use a loop to run the specific code? attaching the code. the f...

mehr als 2 Jahre vor | 2 Antworten | 0

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How can I give different thresholds to an image
How can I give different thresholds to an image? If 'cot' is the image matrix I have attached how can i give a threshold of zer...

mehr als 2 Jahre vor | 1 Antwort | 0

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Calculating mean values of a 3D matrix for every rows
I have a matrix 12x441x1440. 12 is the dimension of time. how can I get 12 average numbers for every month from that matrix

mehr als 2 Jahre vor | 1 Antwort | 0

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how can i make a 400x400 matrix to 400x1
how can i make a 400x400 matrix to 400x1? in matlab

fast 3 Jahre vor | 1 Antwort | 0

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lat= 10848x10848 double and lon= 10848x10848 double. How to make spatial map with this ?
I have two matrix lat and lon. But the problem is lat= 10848x10848 double and lon= 10848x10848 double. How to make spatial map w...

fast 3 Jahre vor | 1 Antwort | 0

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python variable in matlab
how to load a .npy variable or matrix in matlab R2017a?

fast 3 Jahre vor | 0 Antworten | 0

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Out of memory problem in MATLAB 2017
In general the .mat files are of 1 or 2 kb like that. When I converted the Lat and Lon python ( numpy) files to .mat files. It...

fast 3 Jahre vor | 0 Antworten | 0

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how to calculate the Geodetic Coordinates (Lat and Lon) of the XY scan Position valaues for the GOES satelllite series in matlab
Hi stephen, I cannot send the datset here as I cannot insert the dataset here. If you can send me your email id, I can send you ...

fast 3 Jahre vor | 0

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how to calculate the Geodetic Coordinates (Lat and Lon) of the XY scan Position valaues for the GOES satelllite series in matlab
how to calculate the Geodetic Coordinates (Lat and Lon) of the XY scan Position valaues for the GOES satelllite series in matlab...

fast 3 Jahre vor | 3 Antworten | 0

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Joydeb Saha

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