Joydeb Saha
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Accept 5 answers given by other contributors
Awarded to Joydeb Saha on 09 Dec 2020
Feeds
Question
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 mois il y a | 1 réponse | 0
1
réponseQuestion
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 mois il y a | 2 réponses | 0
2
réponsesQuestion
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 mois il y a | 1 réponse | 0
1
réponseQuestion
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 mois il y a | 1 réponse | 0
1
réponseQuestion
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 mois il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
environ 2 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
environ 2 ans il y a | 1 réponse | 0
0
réponseQuestion
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 "%....
environ 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
environ 2 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
environ 2 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
environ 2 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Changing the orientation Arctic Projection maps
[LON,LAT] = meshgrid(lon1,lat1); % hold on fs=20; load coastlines figure('Color','w'); axesm('stereo','MapLat...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
0
réponseQuestion
circular pcolor map (looking down on the north pole)
How can I produce a circular pcolor map (looking down on the north pole) ?
plus de 2 ans il y a | 1 réponse | 0
0
réponseQuestion
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 ...
plus de 2 ans il y a | 3 réponses | 0
3
réponsesQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 2 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
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
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
how can i make a 400x400 matrix to 400x1
how can i make a 400x400 matrix to 400x1? in matlab
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 3 ans il y a | 1 réponse | 0
1
réponseQuestion
python variable in matlab
how to load a .npy variable or matrix in matlab R2017a?
presque 3 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
presque 3 ans il y a | 1 réponse | 0
0
réponsehow 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 ...
presque 3 ans il y a | 0
Question
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...
presque 3 ans il y a | 3 réponses | 0
3
réponses
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