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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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2answers
28 views

How to get a 3D plot with logarithmic scale on x axis?

Let's say I want to plot a function $f(x,y)= x^3 y^3 + e^{-x}$ using 3D plot; x runs from 0.00001 to 0.1 and y runs from 1 to 100. Now, I want to have a logarithmic scale along the x-axis. So, how to ...
8
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0answers
2k views

ErrorListLogPlot gives wrong error bars on log scale

From this and this post I learned how to use ErrorListLogPlot and its family to add error bars on top of a list of mean values. However, consider this simple ...
4
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0answers
160 views

Bug in LogLinearPlot? Mathematica v11.0

Bug introduced in 11.0 and fixed in 11.0.1 I'm trying to plot a sequence of functions. I wrote the code in two seemingly equivalent ways, but it produces different results. First method: ...
3
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0answers
602 views

Making a histogram with a log scale

Sorry for my poor english. I am really new in Mathematica. I have a data set and plot it in histogram, The whole script is following: ...
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0answers
27 views

Logarithmic scale in the legend of a GeoRegionValuePlot

Is there a way to make the bar legends show the values 1 to 9000 using a logarithmic scale than what Mathematica is automatically giving me? Here's my plot: The data I am using: ...
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0answers
54 views

log plot problems

Why does the following code give me two different curves? a = 100; b = -0.1; s = a n^b; LogLogPlot[{s, a n^b}, {n, 1000, 1000000}]
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0answers
80 views

ListContourPlot in Log scale

I am making a ListContourPlot but want the y-axis in the log scale. I almost got everything from the thread How to do the log scale plot for ListContourPlot. But there both the axes are put to Log ...
0
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0answers
37 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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0answers
115 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 ...
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0answers
40 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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0answers
609 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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175 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 ...