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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48 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 ...
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1answer
64 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
93 views

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

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

ListLogPlot does not show vertical line

I was trying to plot a vertical line using ListPlot everything works perfectly: MassPeaks = {{9.1, 0}, {9.1, 2}}; ListPlot[MassPeaks, Joined -> True] However, ...
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1answer
54 views

ListLogLogPlot origin issues and numerical instability

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

combining two plots with different scales

I have two listplots (see below), and I want to combine them in one single plot. Show[] doesn't work because they have different vertical scales. There is a guide ...
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1answer
95 views

Correct range for X-axis in ListLogPlot

There must be a quick solution to this problem: How do you get the correct range for the X-axis. Attached below is the code: ...
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1answer
2k views

Using Show to place a ParametricPlot on a LogLog scale

I wish to have a few plots on the same graph: ListLogLogPlot, LogLogPlot and a ParametricPlot drawing lines perpendicular to the x-axis. The problem is however that ParametricPlot doesn't seem to have ...
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2answers
88 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 ...
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1answer
183 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 ...
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1answer
106 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 ...
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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? ...
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1answer
179 views

LogPlot Problem

I have this code but I don't know how can I put the y-axis in a logarithmic form (I need to put it in a base 2 logarithm and in the default Log of mathematica), because there is an incompatibility ...
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1answer
378 views

ArrayPlot with logarithmic legend

I have a matrix that contains numbers in different orders of magnitude and I would like to plot it using ArrayPlot. For example purposes I create the matrix here, ...
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1answer
278 views

Plotting probabilistic histogram on a specific range on log scale

I'm having a problem getting a combined effect - I have a list of values for which I'd like to plot a histogram. As a minimal example: ...
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1answer
88 views

ListLogLinearPlot with Legends

I need to plot this data in Log scale for both axes, and also need to add a legend. But since they are joined dots, the legend that appears is just a dot instead the plotstyle I choose. ...
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2answers
3k views

Log Linear Fitting of a data: e.g. {xi,Log [yi]} and plotting the fit

I have a Log-Linear plot, and i'm unsure about how to fit a line to it. The data represents a I (current) vs V (voltage) curve. The exponential portion of this curve (linear in a Log-Linear plot) is: ...
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1answer
747 views

BarChart with Log-Scaling and Error-Bars [duplicate]

I want to make a BarChart with Log-Scaling and Error-Bars. I can do both individually: ...
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1answer
48 views

How to fix the plot Range in list log linear plot

I have 8 plots, and all these plots are generated using ListLogLinearPlot function. and later I have used Show command put all plot in one single figure, but could not able to fix the plot range. <...
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1answer
60 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, ...
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1answer
39 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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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 ...
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0answers
56 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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92 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 ...
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0answers
53 views

Logarithmic scale for parametric plot [duplicate]

I would like to introduce a logarithmic scale for the following parametric plot ...
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1answer
107 views

ListlogLogPlot can't work on y axis

I have a table: ...
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2answers
225 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 ...
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1answer
500 views

Help to change the base in this LogLog Graph

people :) i have this graph in Mathematica the function mumas[y] its defined by ...
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2answers
390 views

LogPlot of the calculated data in For Loop in Mathematica

I have the following loop, for calculating a data for different values of inputs. How I can plot the result at the end of For loop? Its not matter if the plot is inside or outside the loop, I just ...
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2answers
67 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 ...
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1answer
68 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 ...
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1answer
120 views

Problem (or maybe bug) with the SmoothHistogram3D command?

I have a data set in form of {x,y} (I add part of my data set), and I need to calculate the 3D histogram for it, also I need to get -LOG from probability (Z axes). I wrote this code for it. ...
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1answer
111 views

Using custom ticks with RegionPlot3D

I'm trying to change to plot a sphere using RegionPlot3D and look at how the shape of the sphere changes when you use a logarithmic scale (or any nonlinear scale) ...
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1answer
42 views

Increase thickness of joined ListLogLogPlot[] curve

Here is my code: ListLogLogPlot[{{10^1, 10^1}, {10^3, 10^3}}, Joined -> True, PlotStyle -> Thick] The ...
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2answers
317 views

How do I plot Log [1/x] from Log [x]?

Is there a way of plotting Log [1/x] from a Log [x] function? I'm plotting this: ...
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1answer
229 views

How to get grid lines at all (log) tick marks in Show function and why losing AxesLabel?

This question was inspired by How to get grid lines at all (log) tick marks in Version 10?, which I was trying to follow to solve my problem. I am trying to plot together, in a ...
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1answer
79 views

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

I have the following long function ...
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1answer
43 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 ...
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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 ...
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1answer
216 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. ...
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1answer
81 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 ...
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1answer
617 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 ...
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1answer
187 views

LogScaled BarLegend for Density Histogram

I am plotting DensityHistograms with a logscaled y-axis with this code: ...
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1answer
128 views

ScalingFunctions scales ChartLegends and not the y-axes

I type in the code: histogram = DensityHistogram[EnergyTable2, ScalingFunctions -> "Log10", ChartLegends -> Automatic] because I want to scale the y-...
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1answer
99 views

Plotting of an error estimate of `NDSolve`

So, in an earlier post, (see here), I asked a question regarding a surface of section for a system of coupled non-linear ODEs. What I am after now, is the numerical precision of the results I get back....
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2answers
825 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 ...
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1answer
385 views

Why don't the values of Log[10, x] on the y-axis of a log plot of a list x-values? [closed]

I evaluated Log[10, {list}], where list is a list of reals. I also evaluated ...
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1answer
75 views

LogLogplot of an equation

i need some help using LogLogPlot for graphing an equation that has various values of a parameter so that I get a set of curves on the plot. The equation is as follows: ...
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1answer
136 views

How to merge a ListLogPlot including a discrete set of data points with a LogPlot including some analytical functions?

I have an analytical 1d-function of a variable called $M$ and I have plotted that function using the following code: ...
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1answer
423 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 ...