Linked Questions

1
vote
1answer
965 views

What is the logarithmic color scales?(not logarithmic axes) [duplicate]

I have some density plots and an "advise". What does it mean? " I also strongly recommend switching the color scales in this figure from linear to log, to make it even easier to see the region of ...
0
votes
1answer
514 views

Logarithmic scaling in a density plot [duplicate]

I think the colors will be more distinguishable with the logarithmic scales. How can I do it for the following plot? Thanx. ...
75
votes
3answers
8k views

Numerically solving Helmholtz equation in 2D for arbitrary shapes

I would like to solve the Helmholtz equation with Dirichlet boundary conditions in two dimensions for an arbitrary shape (for a qualitative comparison of the eigenstates to periodic orbits in the ...
28
votes
1answer
6k views

Why are some function names red?

I need to evaluate Needs["GraphUtilities`"] before I can use functions such as GraphPath[]. When I do so, some functions get ...
14
votes
2answers
1k views

How can I make a density plot (or contour plot) with an arbitrary nonlinear scale (e.g. arcsinh, log, biexponential)?

I was inspired by this question, which showed how we can apply logarithmic scaling to a density plot. But I'm not always a fan of a logarithmic scale - it tends to overemphasize smaller features. ...
4
votes
2answers
2k views

DensityPlot with logarithmic xy-axes and logarithmic color scale

I would like to do a DensityPlot with logarithmic xy-axes and logarithmic color scale for the function \begin{align} S(\epsilon_{v},\epsilon_{\phi}) = \frac{\pi}{\epsilon_{v}} \frac{\sinh \left(\...
0
votes
2answers
1k views

ListDensityPlot with logarithmic scale

I can't figure out how to make ListDensityPlot with both logarithmic coloring and logarithmic scale on both x and y axis. Logarithmic scale in a DensityPlot and its legend This question worked for ...
0
votes
0answers
253 views

ListDensityPlot with Logarithmic plotlegends and ScalingFunctions

With Mathematica 11.3. (11.0 has some bug in ScalingFunctions). I use Jason B.'s method, i.e. ScalingFunction ( see Logarithmic scale in a DensityPlot and its legend). Jason B.'s code ...
0
votes
1answer
117 views

Same color scale for logarithmic ContourPlots for comparison

Before I ask the exact question, I would like to add that I know similar questions have been asked multiple times but I have tried several of those techniques but have failed to get the desired result ...
0
votes
0answers
95 views

How can I make density plot from a data (csv) with Log Scales?

I have a data in .csv format and I wish to make a densityplot of the data points but with a log-log scale. I imported the data into Mathematica and used ListDensityPlot with ScalingFunctions -> &...
0
votes
0answers
34 views

The color changes at an interval of orders of magnitude in ArrayPlot

If I want to ArrayPlot with color changes at an interval of orders of magnitude, how could I do it? I have an array where some of the values are very small and some ...