Joydeb Saha
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Accept 5 answers given by other contributors
Awarded to Joydeb Saha on 09 Dec 2020
Feeds
Question
Black horizontal patches in the plot
I am plottting a simple sst difference plot. My lon data is in the range -180 to 180. I have converted it to 0 to 360. After plo...
9 days ago | 1 answer | 0
1
answerQuestion
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'...
4 months ago | 1 answer | 0
1
answerQuestion
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 (...
8 months ago | 2 answers | 0
2
answersQuestion
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...
11 months ago | 1 answer | 0
1
answerQuestion
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...
11 months ago | 1 answer | 0
1
answerQuestion
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,...
11 months ago | 1 answer | 0
1
answerQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 0 answers | 0
0
answersQuestion
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 ago | 0 answers | 0
0
answersQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 0 answers | 0
0
answersQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 0 answers | 0
0
answersQuestion
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 ago | 0 answers | 0
0
answersQuestion
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 ago | 0 answers | 0
0
answersQuestion
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 ago | 3 answers | 0
3
answersQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 1 answer | 0
1
answerQuestion
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...
3 years ago | 2 answers | 0
2
answersQuestion
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...
3 years ago | 1 answer | 0
1
answerQuestion
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
3 years ago | 1 answer | 0
1
answerQuestion
how can i make a 400x400 matrix to 400x1
how can i make a 400x400 matrix to 400x1? in matlab
3 years ago | 1 answer | 0
1
answerQuestion
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 ago | 1 answer | 0
1
answerQuestion
python variable in matlab
how to load a .npy variable or matrix in matlab R2017a?
3 years ago | 1 answer | 0
1
answerQuestion
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 ago | 0 answers | 0
0
answershow 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 ago | 0
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