Community Profile

photo

SChow


Last seen: 6 jours ago
26 total contributions since 2019

SChow's Badges

  • Thankful Level 2
  • First Answer
  • First Review

View details...

Contributions in
View by

Question


match elements of a matrix to an array
Hello, I have one matrix (A1) of size 4000x8000 and the second matrix (g1) of size 100000x2. I am trying to match each number ...

3 mois ago | 1 answer | 0

1

answer

Question


for loop taking too long to operate
I have a matrices (b1 and popx) with size 25000x50000, code is a vector which contains unique values in b1 (of length 300). For ...

5 mois ago | 1 answer | 0

1

answer

Question


perform matrix operation without for loop
I have a matrix (exp_data) of size 25000*45000. I need to perform the following operations as in the code, however with the for ...

5 mois ago | 2 answers | 0

2

answers

Question


Performing matrix operation without loop
Hi, I have two matrices (A and B), each of size, 4000x8000x3 (i,j,k). The 'k th' dimension of both matrix contains median and...

6 mois ago | 2 answers | 1

2

answers

Answered
Error in geoshow: (displaytype,'Surface')
pcolorm is an immediate alternative to using geoshow.

7 mois ago | 0

Question


Finding and replacing numbers with NaN
Hello, I have a matrix where the numbers only made up of 9 are fill values and should be replaced by NaN.; For eg: There are n...

7 mois ago | 2 answers | 0

2

answers

Question


Error in geoshow: (displaytype,'Surface')
Hi I am getting a weird error and the geoshow function is not working with 'Displaytype', 'Surface' and set(gca,'colorscale',...

8 mois ago | 1 answer | 0

1

answer

Question


Find string corresponding to another string within a text file
Hi, I have a text file, I was trying to read the latitide, longitude and station name corresponding to the associated strings...

8 mois ago | 1 answer | 0

1

answer

Answered
how to read NASA AMES FORMAT data
Okay, Matlab cannot read .nas files, so one needs rename the .nas files to .txt (or similarly suitable extensions), and then r...

8 mois ago | 0

| accepted

Question


how to read NASA AMES FORMAT data
I havea data with '.nas' extension (NASA AMES FORMAT). Is there a way to read it. I tried readtable and dlmread. None would work...

8 mois ago | 1 answer | 1

1

answer

Question


Extrapolate using half the slope than in original data
I have a set of 21 X,Y poinst which I intend to extrapolate by using slope (rate of change)= 1/2 than that is observed in the or...

8 mois ago | 1 answer | 0

1

answer

Question


Interpolating point LAT,LON data to make gridded data
I have lat,lon,z point values (not gridded), I want to interpolate z at 1.875x1.875 degree resolution. The below code doesnot p...

11 mois ago | 0 answers | 0

0

answers

Question


Interpolating scattered data within a shapefile/worldmap
Hi I have x,y,zi scattered data, where x is lon, y is lat and zi is the data, I want to interpolate and extrapolate the data wi...

11 mois ago | 1 answer | 0

1

answer

Answered
How to make the graphs more smooth in matlab
Hi, you may use the print function to save your figure at a desired high resolution print(gcf,'fname.png','-dpng','-r800');%%%f...

environ un an ago | 0

Question


Match strings from 2 tables
Hi, I have 2 tables example: TA= 'Name' 'Code' 'AFG' 120 'CAN' 210 'BER' 121 'FIJ' 910 ...

environ un an ago | 1 answer | 0

1

answer

Question


Finding matching strings from a table and making a new table
I have a huge table of size 18792010x57 (57) are the number of columns. As an example say the table (T) that looks like: 'A' ...

environ un an ago | 1 answer | 0

1

answer

Question


Find corresponding values for unique values in a matrix
I have two matrices A and B. I want to add up elements in matrix B for every unique element in matrix A and return C A =[1 47 2...

environ un an ago | 1 answer | 0

1

answer

Question


Matching elements in a matrix with elements in another matrix
I have a matrix, A=[1 3 4 3 1 5 NaN 3 6] and another index matrix B=[1 333 2 356 3 112 4 789 5 7...

environ un an ago | 1 answer | 0

1

answer

Question


match vector with first column of matrix
I have a matrix 'Mat' and a vector 'v', I want to match the vector 'v' with the first row of 'Mat' such that I get an output 'r...

environ un an ago | 2 answers | 0

2

answers

Answered
find the nearest values
Try the ismember function

environ un an ago | 0

Answered
making coarse matrix from fine resolution matrix
scaling = 5; %%% I scale Z1 by factor of 5 so that sepblockfun works, %%%%% sepblockfun is developed by MattJ and is available...

environ un an ago | 1

Question


making coarse matrix from fine resolution matrix
Hi, I am trying to make a coarse resolution matrix of 3600x1800 from a 8640x4320 matrix by summing up the elements of the matrix...

environ un an ago | 3 answers | 0

3

answers

Question


To rasterize polygons without using GUI
Hi, I am trying to rasterize a feature (POP2005) of a shapefile containing 246 countries. If I follow the example in https://d...

environ un an ago | 0 answers | 0

0

answers

Question


From vector data to raster
I am trying to convert a vector data corresponding to countries in a shapefile to raster at 0.1 degree resolution, For this I a...

environ un an ago | 0 answers | 0

0

answers

Question


remove chunkSize while creating a nc file in matlab
I am creating a .nc file after processing another file in MATLAB. I want the created .nc file to be of exactly the same format a...

plus d'un an ago | 0 answers | 0

0

answers

Question


Can the matlab bar function handle negetive values now?
I want to plot the negetive values in a stacked bar graph in the negetive direction. I became aware that the 'bar' function cann...

plus d'un an ago | 0 answers | 0

0

answers