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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1answer
40 views

Three questions to customizing `Ticks` in `Plot`, `LogPlot` and `LogLogPlot`

When making a plot, sometimes I would like to alter the ticks and labeling of the ticks, in particular when doing a LogPlot or ...
2
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1answer
37 views

Having trouble plotting a logarithmic equation

I want to plot these two logarithmic equations: $\log_{10}x^2 = 6$ $10^{\log_{10}x^2} = 10^6$ $x^2 = 10^6$ $x=\pm 10^3$ This is my code for trying to plot this: ...
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1answer
38 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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1answer
63 views

Weibull statistics

I have two data sets am interested in finding the weibull modulus and characteristics strength for the two data sets and plotting the data seperately but on the same graph Material (a) 723, 684, ...
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1answer
23 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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2answers
61 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 ...
2
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0answers
31 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: ...
7
votes
1answer
97 views

Flipping axis on a LogPlot

I want to modify the question in Flipping axis on a plot. How to flip y-axes on a LogPlot? In contrast to Plot, LogPlot does not allow for the ScalingFunctions option so that the first solution ...
1
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2answers
320 views

How to change List Contour Plot to log log scale?

I would like to draw a ListContourPlot in Log Log scale as well as bar legend. But I have no idea about how to do it. Could anyone help me to draw the plot in Log Log scale? ...
2
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1answer
43 views

Nuances of Drawing Vertical Lines on a Log Plot

I'm trying to draw a vertical line on a LogPlot using Epilog. There is a slight issue in the vertical positioning of the line. ...
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0answers
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 ...
1
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1answer
50 views

Region plot in Log scale without affecting mesh functions

How can I do a region plot with its mesh function in Log scale? For example, ...
0
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1answer
68 views

Showing the Log(0) (or near zero) in a ListDensityPlot

I have the following long function ...
3
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1answer
81 views

RegionFunction doesn't work in ListContourPlot if also using ScalingFunctions

I am making a contour plot out of a list of values of the form {{x1,y1,f1},{x2,y2,f2},…} I want to plot this on a log log scale so I specify ...
2
votes
1answer
88 views

How to have two different scaled graphics on a plot? [duplicate]

I have two datasets on a ListPlot, but they have very different ranges. What I want to have is something like this. I also want to know if it is possible to frame ...
2
votes
1answer
157 views

Combining Multiple Contour Plots with Different X, Y, and Z Ranges

I am trying to calculate the differences in natural frequencies between two different dynamic models, and I would like to plot these error contours in terms of ues (...
0
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2answers
66 views

Scaling a LogPlot to better show its minimum

I've got a function. I want to scale the X-axis in a weird way. I want value of h = 10^-4 to appear in the middle of X-axis. In my plot, shown below, we can't see ...
3
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1answer
196 views

SciDraw issues with LogTicks to make a Log-Log plot

I have the following two functions ...
2
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2answers
126 views

BodePlot with magnitude in db or log scale

I have to plot a BodePlot with magnitude in db or log, but i could not find the option for setting the magnitude scale. ...
0
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1answer
39 views

Getting an empty LogLogPlot

Consider s[t_] := Exp[-t^2] Sin[5 t] sf[w_, n_] = FourierTransform[Exp[-t^2] Sin[n t], t, w]; Then ...
2
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1answer
118 views

Is it possible to have histogram in LogLog scale?

Histogram[data,"Log"] will generate an histogram with a log scale on the x axis, but I need a ...
2
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1answer
49 views

Bad interaction between options Joined and PlotRange when using ListLogLinearPlot

I am trying to plot data using the ListLogLinearPlot. Here is my initial code: ...
1
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1answer
51 views

ListLogLogPlot origin issues and numerical instability

I have the following long functions f1and f2 dependent on parameters ω and ...
1
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2answers
388 views

How can I do a “linear” fit on a log log plot

I have plotted some data with a log scale on both axes as shown in the image below. I want to be able to fit this data such that the fit appears as linear on this log-log plot but I haven't been able ...
0
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0answers
40 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 ...
1
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1answer
37 views

How to avoid initial large number evaluation in LogLogPlot

If you run this: LogLogPlot[Echo[x], {x, 10000, 100000}, WorkingPrecision -> 10] You will see the first evaluation point is at a very very large number ...
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1answer
85 views

LogLogPlot seems to not use same coordinates as Epilog? [closed]

does anyone know how I can display this plot? ...
3
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1answer
143 views

Log transformed histogram distribution

Bug introduced in 11.0.1 or earlier and persisting through 11.3.0 or later I try to get a Log transformed histogram data I get from a different program ...
0
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1answer
46 views

How to combine 3D figure with LogLogPlot to produce 2D figure

I have (x,y,z) set of data and I want to combine 3D figure with LogLogPlot and to produce 2D figure ...
0
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0answers
129 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
28 views

ContourLogLinearPlot [closed]

Title says it all: how can I do a ContourPlot with a logarithmic $x$-axis? I am attempting to replicate the graph of ISO 226:2003 (see first image) but ...
5
votes
2answers
287 views

Is it possible to have a region plot with logarithmic scales?

How can I have a region plot with the logarithmic axis? In the following, I have brought the original case which I want to be logarithmic. In this case, I have a density plot and a region plot that ...
0
votes
1answer
192 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. ...
2
votes
1answer
92 views

Getting asymptotic lines in a electronic filter design plot

I've the following code: ...
2
votes
3answers
107 views

LogLinearPlot and Plot combined

I'd like to plot Abs[s]/λ - 1 + Log[λ/s] as a function of $s > 0$, for some fixed value for $\lambda$, say 0.1. This function behaves essentially linearly ...
1
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1answer
171 views

Mathematica 11.3 ListLogPlot gives strange error [closed]

Trying to make a very simple Log plot with Mathematica 11.3 on Ubuntu 17.10 ...
3
votes
1answer
70 views

Set a correct scale for a logarithmic graph

I generated a graph from a CSV data which represents T(n), that is, the time taken - in milliseconds - to execute a sort task as ...
1
vote
1answer
104 views

Different scale for different parts of coordinate axis Y

I have a list of points, like: {{0,2.17},{1,1.07},{2,0.53},{3,0.25},{4,0.11},{5,0.03},{6,0.002},{7,-0.015},{8,-0.0227},{9,-0.0250}, {10,-0.024675}, {part tends to zero}} Ok, I would like to plot ...
1
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1answer
56 views

Control of SurvivalFunction probability scale

Don't know how to get around this error message:Charting Common Dump Base. Isn't Mathematica supposed to figure it out automatically? ...
0
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1answer
59 views

Plot has some holes - Show[LogLogPlot[…],LogLogPlot[…]]

I certainly do not use the Plot feature in Mathematica in its whole glory, but it worked out for me, except for one problem. I wanted to show some plots in a log-log-manner and it just won't show the ...
3
votes
1answer
243 views

How to plot RegionPlot in loglog scale?

Consider some function f[x,y]. I need to plot region of values f[x,y]>=1, with normal scaling for y and with log log scaling ...
3
votes
1answer
62 views

Gridlines in BoxWhisker Chart with Logarithmic Scaling Function

Is there a way to use logarithmically-spaced gridlines in BoxWhiskerChart? I've attempted manually specifying the gridlines as follows: ...
0
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2answers
209 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 ...
0
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1answer
68 views

LogLogPlot doesn't give log-log scale in both axises

I have a function called $sol[x]$. I want to plot it in LogLog SCALE. I write: LogLogPlot[sol[x], {x, 1, 500}, PlotRange -> Full] but y-axis of the output in ...
-1
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1answer
84 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
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0answers
41 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 - ...
4
votes
2answers
249 views

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

I made this plot ...
1
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0answers
55 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}]
1
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1answer
338 views

Bug in LogPlot reintroduced?

Running the first example LogPlot[x^x, {x, 1, 5}] from the LogPlot documentation I get a plot without ticks highlighted in ...
4
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1answer
103 views

SystemException with LogLinearPlot

In plotting a function with specific set of parameters using LogLinearPlot, Mathematica throws a ...