# Questions tagged [logarithmic-scale]

Questions on applying common nonlinear scalings to functions or data--useful for making sense of data which varies over a large range.

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### LogPlot axes labels destroyed when working in high precision

Bug introduced in 7.0 or earlier and fixed in 11.0.0 (I'm using Mathematica 8.) I have a Taylor series: poly = Normal[Series[E^x, {x, 0, 10}]] I want to ...
1answer
3k views

### Thickness of logarithmic tick marks

Bug introduced in 8 or earlier and persisting through 12.0 I'm trying to plot a graph wit a logarithmic y-axis. Since I'm exporting the graph to pdf and later printing it, I want to manually set the ...
4answers
14k views

### How does one set a logarithmic scale in a ContourPlot?

How does one set a logarithmic scale for both x and y axes in ContourPlot in Mathematica?
2answers
10k views

### Logarithmic scale in a DensityPlot and its legend

I was recently faced with the task of creating a DensityPlot with a logarithmic colour scale, and with providing it with an appropriate legend. Since I could not find any resources to this effect on ...
2answers
2k views

### Switch from logarithmic to linear scaling partway along a plot's axis

In the 2015 Planck satellite results, they give the latest plot of the temperature power spectrum of the cosmic microwave background, which I show below. (I am only interested in the main plot; you ...
3answers
4k views

### How to get grid lines at all (log) tick marks in Version 10?

Bug introduced in 10.0.0 and fixed in 10.1.0 Update: It seems that only versions 10.0.0, 10.0.1, and 10.0.2 are affected by this problem. For 10.0.0 there is no general solution known to me due to ...
5answers
4k views

### How can I get exactly 5 logarithmic divisions of an interval?

I'd like to get exactly 5 divisions from x to y on a log scale. Can FindDivisions do this?
1answer
3k views

### Asymmetric X and Y error bars on ListLogPlot

The wonderful error bar log plots package ErrorBarLogPlots from V6 no longer positions labels correctly (since ...
1answer
600 views

### Adding graphics primitives to log plots [duplicate]

I am making ListLogLog plots with polygons in the Prolog and lines in the Epilog, and I want ...
2answers
306 views

### Mysterious behaviour of ParallelTable

This question is related to Export bug in combination with ParallelTable?. The following code shows an even stranger bug than in the upper question. The y-axis should always be logarithmic, but in ...
4answers
9k views

### Making Axes logarithmic in 3d plots

I've been trying to get loglog plots in 3D, but to no avail. My initial approach was to take the logarithm inside the plot i.e ...
3answers
4k views

### How to do the log scale plot for ListContourPlot

My current code is: ...
2answers
1k views

### Logarithmic scale in an ParametricPlot obtained from ODE boundary conditions

How do I plot an ParametricPlot with the x-axis using an logarithmic scale? Since I need to use an ParametricPlot, I can not use the LogLinPlot[] and I also was not able to find any viable Solution in ...
2answers
627 views

### ListLogLogPlot with ErrorBars

I have the following data consisting of x, y pairs and errors of y: ...
2answers
2k views

### GridLines in LogPlot or LogLogPlot

Suppose I have a plot like LogLogPlot[2 x^5/3, {x,0.1,10}, GridLines->Automatic] How can I achieve to get "custom" gridlines to reduce the number of ...
2answers
403 views

### Labeled destroys the log scales in “log” plots when notebook is re-opened

Bug introduced in 10 or earlier and fixed in 11.1 While testing this pdf export bug caused by Labeled, I noticed that this function also destroys the log scales in ...
2answers
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### How to plot BarChart with error bars on logarithmic scale in Mathematica 9?

I'm quite new in Mathematica, and I would like to ask you to consider the next case: I need to plot bar chart with error bars on logarithmic scale. From Wolfram site I took the function which allows ...
1answer
637 views

### How to apply multiple scaling functions to the same axis?

I have a parametric plot and would like to display it double logarithmic with one axis reversed. For example how can I get two log axes for this plot: ...
2answers
256 views

### How can I add callouts to a LogLogPlot and control their positioning?

I made this plot ...
1answer
597 views

### Table with the logarithmic step

Suppose some function y[x]. I need to calculate the table of the value of this function with the logarithmic step of the coordinate, i.e., the operation which corresponds to the Mathematica's command ...
2answers
2k views

### RegionPlot with LogScale

I would like to have my RegionPlot with logarithmic scale in x and y. My code looks like ...
4answers
681 views

### Base 2 Tick Labels for ListLogLogPlot

I am using ListLogLogPlot and would like to express the x-axis tick labels in powers of 2 instead of the default powers of 10. Does anybody have experience with ...
3answers
1k views

### How to transpose x and y axes on a LogPlot?

Consider the following simple LogPlot: LogPlot[Exp[x],{x,0,5}] Is there a nice way to switch the axes of a LogPlot? I'm aware that plotting the inverse function ...
2answers
3k views

### Line of best fit on LogLog plot

I have a LogLog plot, and i'm unsure about how to fit a line to it. The data represents a calibration curve. ...
3answers
3k views

2answers
222 views

### Taking log derivatives of data in Mathematica

We have two lists (vectors) of data, y and x, we can imagine x being time steps (0,1,2,...) and y some system property computed at each value of x. I'm interested in calculating the derivative of log ...