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Behzad Navidi


49 total contributions since 2019

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Question


What is the best method for estimating missing data?
Hey, everyone, I'm totally new in this issue in Matlab. I have 30 years of monthly precipitation data for a specific station, it...

8 dagen ago | 0 answers | 0

0

answers

Answered
How to find the maximum value for each 24 rows in an array?
Thank you 🌹

29 dagen ago | 0

Question


Multiplication in cell arrays
Hey all, I have a cell (408*1), which has 408 rows of 33*33 array inside it. I attached this cell to this question (the name is ...

ongeveer een maand ago | 2 answers | 0

2

answers

Question


Count Days in Months
Hey, I want to know the number of days of each month from 1982-01-01 to 2015-12-31. I tried some codes from Matlab Help. till n...

ongeveer een maand ago | 3 answers | 0

3

answers

Question


Plotting variable from NetCDF file
Hello all, I'm Student and work on my project but unfortunately, I faced a problem. I limit latitude and longitude of NetCDF us...

ongeveer een maand ago | 1 answer | 0

1

answer

Question


How to find the maximum value for each 24 rows in an array?
Hello, I have a 3d array, precip= :,:, 8760. in fact 8760 rows are available in one column. I want to find the maximum value in...

ongeveer een maand ago | 2 answers | 0

2

answers

Question


what's wrong with this code? polygon function
I have a netcdf file containg data for a region over 4 country. I only want to have the data over specific country and not the r...

ongeveer een maand ago | 1 answer | 0

1

answer

Question


Need Help for use inpolygon() in that case
Hey all I have the shapefile of the study region. I want to know how to use inpolygon function in order to ignore all values th...

ongeveer een maand ago | 0 answers | 0

0

answers

Question


Extract data from NetCDF based on a country border- using X and Y points of country - How to do?
Hey all, I know how to extract data for a range of latitude and longitude from a NetCDF file. Doing this is leading me to have...

ongeveer een maand ago | 0 answers | 0

0

answers

Question


How to find the maximum value for each 2 rows in an array?
Hello everyone, I have a 3d array, precip= :,:, 720. in fact 720 is a column. I want to find the maximum value in this column t...

ongeveer een maand ago | 1 answer | 0

1

answer

Question


How to set outside a country values to NaN, in a 3d array (lat x lon x time) ?
Hi I have a 3 dimension array which is precipitation = longitude*latitude*time. I extract this file from a netcdf file. altogh ...

ongeveer een maand ago | 1 answer | 0

1

answer

Question


How to edit this code?
Hello all, Recently I was trying to download ECMWF ERA5 precipitation data. the precipitation has 3 dimensions (lon x lat x tim...

ongeveer een maand ago | 0 answers | 0

0

answers

Question


hourly data to daily- when time steps start at 00:00 and end on 23:00 each day (how to consider another 1 hour between 23:00 to 23:59 which presents on the next day)
I have one year data (3d array, name is tp) (lat*lon*time) based on hourly time steps from a netcdf file, I want to convert this...

ongeveer een maand ago | 1 answer | 0

1

answer

Question


Make this .mat variable DOUBLE- Help needed
hello all I want to make this attached .mat file to double, in order to use in griddedInterpolant function alongside some other...

ongeveer een maand ago | 1 answer | 0

1

answer

Question


How to create an array and fill it by these values using loop ?
how to creating a 480*1 single array (not datetime) and fill it this way: 1982-01-01 1982-02-01 1982-03-01 1982-03-01 198...

ongeveer een maand ago | 2 answers | 0

2

answers

Question


How to create an array with these properties?
I want to create a single array (408 x 1) that takes the exact values of time in this code: t = datetime(1982,1,1):calmonths(1)...

ongeveer een maand ago | 0 answers | 0

0

answers

Question


How to create a single array with datetime range?
Hello everyone I want to create a single array (408 x 1) that filled monthly from 1982-01-01 to 2015-12-01. like below: 1982...

ongeveer een maand ago | 1 answer | 0

1

answer

Question


what is the differences between "sum(x, 3, 'omitnan')" and "nansum(x, 3)" ?
Hi could you please let me know what is the differences between "sum(x, 3, 'omitnan')" and "nansum(x, 3)" ?

ongeveer 2 maanden ago | 2 answers | 0

2

answers

Question


How to write a Loop for this case?
Hello all, I have one 1x1 struct with 34 field inside it. regarding the picture below, I would like to concatenation: C= cat(...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


How to cut dimensions of 3d arrays in a cell.
I have one 34*1 cell. every array in it have 3 dimensions, all same (720*360*365) I want to know how to cut all arrays like t...

ongeveer 2 maanden ago | 2 answers | 0

2

answers

Question


Find and replace missing value in a 1*1 struct with 34 fields
I have a 1*1 struct with 34 fields. every field is a 3d array by itself. A picture of it attached. I want to have a code to find...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


How to write a LOOP for this case?
Hey all I have 34 variable in my workplace like this: precip_1982_daily precip_1983_daily precip_1984_daily precip_1985_dai...

ongeveer 2 maanden ago | 2 answers | 0

2

answers

Question


How to summarize this code?
I have one cell in my workplace namly precips. this cell contains 34 3d arrays (please see picture attached). I want to have eac...

ongeveer 2 maanden ago | 2 answers | 0

2

answers

Question


a sum of the many 3d arrays (just third dimension, and first and second stay steady)
Hey all I have a 408 3d single arrays. Each one is (720*360*12). I want to write a code to sum the third dimension of all, wi...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


How to write a loop for this purpose?
Hey all, I have a 34*1 cell (let's call it precips). I would like to have a loop in order to do this: 1982 = precips {1, 1}; ...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


How to export the third dimension of a 3D single array?
I have 3d single variable (let's call it A): A = (first dimansion*second dimansion*third dimension) I want to know what is the...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


Get one dimension of a single in a cell- how to do it?
I want to write a code to hold just the third dimension of this 2*1 cell. this 2*1 cell contains two 720*360*365 single, that I ...

ongeveer 2 maanden ago | 0 answers | 0

0

answers

Question


Daily 3d array to monthly- dealing with alternate days in a month and leap years - How to do it?
I have a 720x360x365 matrix (let's call it A) of daily precipitation for one year. 365 stands for days in a year. I need to wri...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Question


Merge over 33 netcdf file into 1 netcdf file
Hey all I know very pages in MathWorks are about to merge NetCDF but my problem still remains and I don't know what to do. the...

ongeveer 2 maanden ago | 0 answers | 0

0

answers

Question


How to replace values in a dimension of 3d array?
Dear all I have a 3d array (lat*lot*time). The value of time start with 1 and continue to 1000, now I would like to replace th...

ongeveer 2 maanden ago | 0 answers | 0

0

answers

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