Linked Questions

3
votes
0answers
281 views

ListContourPlot not plotting all data points [duplicate]

I have been using Mathematica for quite a while but am really stuck with this problem for too long now and appreciate any help. Thanks a lot. I am using ...
0
votes
1answer
113 views

Odd behavior of ListDensityPlot [duplicate]

I ran into some odd behavior with ListDensityPlot. I simplified the data as much as I could. If I simplify it further, the odd behavior goes away. What might be going on here? ...
3
votes
0answers
61 views

Problem plotting 3D data with wildly different scales - only when data is in the form of tuples [duplicate]

I have some data and values for the variables, ...
40
votes
2answers
2k views

Specific initial sample points for 3D plots

PlotPoints lets you determine how many sample points you want in each direction, but sometimes I want specific ones. For Plot ...
12
votes
4answers
554 views

Interpolation on an unstructured mesh

(Edit: This question is about making a mesh on a 2D surface to work with a 3D surface look at ElementMeshInterpolation on a BoundaryMesh ) I have experimental data in the form of { {x1, y1, z1}, {x2, ...
33
votes
1answer
1k views

Terrifying performance decrease for contour/density plots in v10.1 -> 10.3

Bug introduced in 10.3 and fixed in 10.3.1 I setup for download a test dataset at http://www.inrim.it/~magni/cm.dat.gz (a set of 64800 triplets x,y,z). The behavior can be reproduced with the ...
7
votes
3answers
761 views

Plotting a 3D list causes kernel to crash if x and y axes have vastly different scales

Bug introduced in 7.0.1 or earlier and fixed in 10.0.2 or earlier I have access to two versions of Mathematica, version 7.0.1 on Linux and version 8 on Windows. When I try the following two lines on ...
5
votes
1answer
461 views

Strange extrapolation in ListContourPlot?

I have some Table of {x,y,z} values (energy as a function of radial and azimuthal frequencies in a galaxy if you care to know): ...
3
votes
1answer
506 views

Repeated interpolation for 3D unstructured grid -> Optimization

Trying to perform mesh-to-mesh 3D interpolation on unstructured grid. Mesh size is about 200k nodes. Painful thing that interpolation shoud be repeated ~1000 times (different thermal map) on the same ...
9
votes
1answer
253 views

ListPlot3D. Only plots about half of the data in a 3D matrix

Here is the data and the exact command I'm trying to run. I've had success with other datasets generated and written out to a file by the exact same program in the exact same manner but for some ...
2
votes
1answer
358 views

ListDensityPlot : Strange result when dealing with large matrix

I have a transient absorption spectrum(TAS) saved as a 240x3648 matrix, I want to use ListDensityPlot to plot it, but something is wrong: ...
0
votes
1answer
94 views

Log scale for ListContourPlot when the axes have different orders of magnitude

I am trying to plot a data set (download here) in Mathematica (it's 3.9 MB and I wasn't sure how to best share it) which I then want to visualize with ...