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Nov
21
comment How to export attributes or annotations to an HDF5 file?
@GustavoDelfino No, I did not. I Switched to Python for data analysis. My life has been much easier since:)
Nov
7
comment ParallelTable kernels die - maybe Matlink timeout?
If I had to guess: You're running out of memory on the kernels?
Nov
4
comment PaddedForm adds an additional padding character
Hmm, thanks. A bit shorter form works as well PaddedForm[#, 2, NumberPadding -> "0", NumberSigns -> {"", ""}] & /@ {1, 10}
Oct
23
comment Something wrong with the way units are handled in V10
@MockupDungeon Well, just click the edit link and add it than (you can also add the correct tag).
Oct
16
comment Implementation of smoothing splines function
@Andy Well I read your answer in detail as I was trying to generate a 2D Bspline basis (in this Q). But I have not figured it out yet as I only get a symmetric fit...
Oct
16
comment Implementation of smoothing splines function
Hmm, where are n kmin and kmax used inside of SplineModel?
Oct
16
comment 2D smoothing spline interpolation
@RahulNarain Indeed, but the surface also goes through every point, which if there is noise is not desirable.
Oct
16
comment 2D smoothing spline interpolation
Thanks for the formatting @Mr.W
Oct
15
comment 2D smoothing spline interpolation
@ybeltukov Yes, GaussianFilter (or any other smoothing algorithm; perhaps a wavelet transform) + Spline interpolation would work as well.
Oct
15
comment 2D smoothing spline interpolation
Hi! Perhaps the question or the example code was a bit misleading. I need to obtain a differentiable interpolated and smoothed function from the data. In the test case it should be as close as possible to the original.
Oct
15
comment Help recreating a gif
The Last time I had to reduce gif size I used gifsicle lcdf.org/gifsicle
Oct
15
comment Help recreating a gif
Fixing the plotrange might give an even better animation. Still +1
Oct
1
comment Fitting a plane from a set of (x,y,z) values with uncertainties on 3 variables
The weights are for data points see here. As for posting code, we used to have a FAQ, but I can't seem to find it. @belisarius will know.
Oct
1
comment Fitting a plane from a set of (x,y,z) values with uncertainties on 3 variables
I guess you would like to use the measured errors as weights for LinearModelFit?
Aug
14
comment How to make a stereogram in Mathematica?
@SimonWoods Yes, I had to reduce the scaling factor before flatten to get better results (but less depth). Reducing the size of the bunny also helped.
Aug
13
comment How to make a stereogram in Mathematica?
I guess something like ImageAdjust@ Rasterize@ DensityPlot[(Sqrt[x^2 + y^2]) ( Cos[6 (Sqrt[x^2 + y^2])] - 0.5), {x, -3, 3}, {y, -3, 3}, Frame -> None, ColorFunction -> GrayLevel, PlotRange -> All] Could work instead of RadialGradientImage
Aug
13
comment How to make a stereogram in Mathematica?
For those of us not yet on V10, could you post a version without RadialGradientImage. I tried using depth = ImageCrop[ ImageAdjust@ Rasterize[ DensityPlot[Cos[x] + Cos[y], {x, 0, 4 Pi}, {y, 0, 4 Pi}, ColorFunction -> GrayLevel, Frame -> False], ImageSize -> {w nx, h ny}], {w nx, h ny}], But all I'm getting are Thread::tdlen: Objects of unequal length in, when running the shift part. (Still +1:)
Jul
15
comment How can I speed up this code?
Look into Compile.
Jun
16
comment Automatic Cuda/CPU code; Fast programme run
Hard to say. As for 1) blog.wolfram.com/2011/12/07/… or mathematica.stackexchange.com/questions/29349/…
Jun
9
comment Relative performance of the Julia language
What exactly is the question? This is a Q&A site after all...