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seen Sep 13 at 16:20

Feb
19
comment Interpolating 2D data with missing values
When I use the method above to do interpolation, I get errors: Unstructured grid interpolation order reduced to 1 and coerced to machine precision. In version 9, it seems to do it but when running the code in version 7, I get an error message and stops. Can you please help me in finding out how to interpolate unstructured data properly?
Feb
5
comment Interpolating 2D data
,Can you please suggest how can I replace the zero with mean of surrounding values. It's a good idea, but is there any function to do that? Can interpolation function be tweaked to do it? Thanks
Feb
1
comment Interpolating 2D data with missing values
that's a very good remark. Thanks for that. I'll have a look at it
Feb
1
comment Interpolating 2D data with missing values
thanks for the answer. I have one slight issue. When I remove the zeros and interpolate, I get some errors; More precisely: if for example the position {1,1} had a zero, I get an error message saying "{1,1} cannot be interpolated, so extrapolation is used" And I get a fairly higher value than the surroundings. Also after a few of these errors, it says "Interpolation output suppressed". Any idea how to fix that?
Feb
1
comment Interpolating 2D data
many thanks for the answer. It works fine. However, some of the interpolated values are sometimes very different to its surrounding values. And I would like to know to smooth out all the values in the array? Any ideas. Thanks!
Feb
1
accepted Interpolating 2D data
Jan
30
asked Interpolating 2D data
Jan
22
accepted Interpolating 2D data with missing values
Jan
22
comment Interpolating 2D data with missing values
@belisarius ListInterpolation allows me to input an array of values from which it interpolates the data. But is there a way of interpolating the data based on the nearest values? the top, bottom, side values? Thank you
Jan
22
comment Interpolating 2D data with missing values
@belisarius I tried using ListInterpolation, using the list as parameter, but doesn't work.. comes up with error
Jan
22
asked Interpolating 2D data with missing values
Jan
21
comment Add noise (random values) to data
@belisarius, I just realised you made some changes to the code you quoted above. This works fine too. Thanks!
Jan
21
accepted Add noise (random values) to data
Jan
21
comment Add noise (random values) to data
Yea..Kguler, that does it. Thanks a lot!
Jan
21
comment Add noise (random values) to data
maybe a function that add some random values to each point?
Jan
21
awarded  Commentator
Jan
21
comment Add noise (random values) to data
Ahh sorry.. the above code gives me 3 points = (x,y,z) and I want to add noise to x,y,z, that is some random values (range 0 - 5) to x,y,z
Jan
21
asked Add noise (random values) to data
Jan
17
awarded  Scholar
Jan
17
accepted Optimising 2D binning code