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Joydeb Saha


Last seen: 2 months 前 |  自 2020 起处于活动状态

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统计学

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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'...

2 months 前 | 1 个回答 | 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 months 前 | 2 个回答 | 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 months 前 | 1 个回答 | 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 months 前 | 1 个回答 | 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 months 前 | 1 个回答 | 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...

2 years 前 | 1 个回答 | 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...

2 years 前 | 1 个回答 | 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...

2 years 前 | 0 个回答 | 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...

2 years 前 | 0 个回答 | 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 "%....

2 years 前 | 1 个回答 | 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 ...

2 years 前 | 0 个回答 | 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...

2 years 前 | 0 个回答 | 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...

2 years 前 | 0 个回答 | 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...

2 years 前 | 1 个回答 | 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...

2 years 前 | 1 个回答 | 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...

2 years 前 | 0 个回答 | 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...

2 years 前 | 0 个回答 | 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) ?

2 years 前 | 0 个回答 | 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 ...

2 years 前 | 3 个回答 | 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...

2 years 前 | 1 个回答 | 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...

2 years 前 | 1 个回答 | 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...

2 years 前 | 2 个回答 | 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...

2 years 前 | 1 个回答 | 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

2 years 前 | 1 个回答 | 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

3 years 前 | 1 个回答 | 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...

3 years 前 | 1 个回答 | 0

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

3 years 前 | 0 个回答 | 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...

3 years 前 | 0 个回答 | 0

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已回答
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 ...

3 years 前 | 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...

3 years 前 | 3 个回答 | 0

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