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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432 views

How to find and show a fitting line for ListLogLogPlot?

I got a set of data, and the ListLogLogPlot output appears to have a slope of $-1$. Thus, I try to fit a line to show the slope according to this answer. Thanks to ...
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102 views

Problems using a complicated function within a LogLinearPlot [duplicate]

my problem is that I have a rather large function which I'm trying to plot, which looks something like this: ...
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35 views

How to modify the horizontal ticks in a LogLinearPlot? [duplicate]

Using the following code, ...
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32 views

Inequality in RegionPlot with LogLinear scale

I want to plot a RegionPlot in LogLinear scale. If I try with a simple linear scale, ...
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30 views

Using ErrorBars with ListLogPlot in Mathematica 11 [duplicate]

I am trying to insert error bars in a plot with a log scaled y-axis with ...
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46 views

Logarithmic solution of the matrix differential equation

I am looking for a solution of the matrix ODE $$\dot{\mathbf{x}}(t) = \mathbb{A} \,\mathbf{x}(t),$$ where $\mathbf{x}(t)$ is a vector and $\mathbb{A}$ is a matrix. I am curious if it is possible to ...
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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 ...
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47 views

Logarithmic Scale on combined graphics of a NonlinearModelFit and ErrorLogLogPlot

I do fit a function from a dataset which I need to display in a LogLogPlot in order to make it display as linear. I do also need to overlay an LogLogErrorBarPlot so they show together in one graphic - ...
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123 views

ListLogPlot with negative errorbars

So I have been reading Plotting Error Bars on a Log Scale on how to implement errorbars with a logarithmic y-scale but I have another problem: some of my errorbars are negative values and I don't know ...
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101 views

how to create a vector that has a fixed number of points per decade? [duplicate]

How do I create a frequency vector that increments the step size as a percentage of the previous step size? For example, if I wanted to create table, and wanted to span 4 decades with 100 point in ...
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546 views

Thickness of frame ticks in a LogLogPlot [duplicate]

I want to plot my function in log-log scale and I want my ticks to be thicker. The code I wrote is: ...
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262 views

How to fix the PlotRange on LogPlot? [duplicate]

I'm plotting families of Boltzmann'esque distribution functions $\propto\exp\left(-{\dfrac{\varepsilon+{\mathcal O}(\varepsilon^2)}{k_\mathrm{B} T}}\right)$. But it won't let me fix the ...
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621 views

Interpolation of multidimensional data organized logarithmically

The following threads call our attention to the fact that "accuracy of Interpolation will be worse with an unstructured grid", in the context of interpolation of 3d data: interpolation of 3D data ...
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184 views

Smoothing a function

NDsolve gives me a solution to a certain NL PDE. I want to evaluate the rate of exponential decay of the maxima of the solutions in time. So, I plot ...
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42 views

Why are LogPlot results different to Plot of log results?

I have the following function for which I want to generate a LogPlot for: ...
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93 views

How do I plot a logarithmic function and a normal one in the same graph(2D) [closed]

It's a really simple question. I want to plot x^2 and the log of x^2 in the same graph. I'm really new to Mathematica so I'm sorry if it's a dumb question