Questions tagged [options]

Questions dealing with optional named arguments of Mathematica functions.

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19 views

What's the default setting of “NeighborhoodRadius” in “MeanShift” method of FindClusters"?

I'm using the FindClusters option Method -> "MeanShift". It works without an input of the sub-option "NeighborhoodRadius". In ...
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1answer
54 views

What are the automatic settings of a BSplineCurve object?

Consider the following object: spline = BSplineCurve[{{0,1}, {1,1}, {0,1}, {-1,1}, {-1,0}}, SplineClosed->True]; Graphics[spline] What would be an equivalent <...
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1answer
85 views

How to delete an option from a notebook

The Q&A How to unset an notebook option programmatically? nearly asks the same question, but the focus there is on how to unset an option that has been given a value. I just want to undo a ...
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24 views

Open all notebooks in Working mode?

Is there a way to specify this as a global setting that oversides an individual notebook screen environment setting? Motivation: I have a folder of many slideshows and need to change this manually ...
2
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1answer
27 views

Using the value of OptionValue to clear a list

I'm currently using OptionValue inside a function, the Option I passed to the function should be cleared, then populated with ...
5
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1answer
69 views

Is there a (simple!) way to convert all initialization cells of a document to normal cells?

I like to work with initialization cells. During the different stages of development of my notebooks, I however often need to change those. If they are scattered throughout the notebook, it is ...
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24 views

What does this statement about congruential randomness mean in the documentation?

Reading through the random number generator guide on wolfram, under the methods section for the congruential method, it talks about the “Bits” option. Could someone explain what this means to me? I ...
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39 views

An Elementary Introduction - Problem 22.13 VertexLabels [duplicate]

Problem 22.13 Make raster images of the letters of the alphabet at size 20, then make a graph of the 2 nearest neighbors of each one. My solution ...
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4answers
87 views

Adding plot options after @ in ListLinePlot [closed]

How can plot options like PlotLabel and PlotRange be added after @ in ListLinePlot? For example: ...
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1answer
140 views

What is the meaning of some of the capital letters? [closed]

One can get capital letters as follows ToExpression@(Capitalize /@ Alphabet[]) We know that E,I,N,D are functions of Mathematica but what about K,C,O? they have ...
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0answers
50 views

Image option is initialized when a graphic is in { }

It is helpful(necessary)to read the following before proceed: view is not fixed completely regardless of vewpoint I found that, if a graphic code is surrounded by { }, the output becomes as if the ...
2
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1answer
42 views

Repeat PlotStyle for different functions [closed]

I am trying to plot a helicoid using Plot3D. I would like all the functions that make it up to appear the same. I am curious if there is a way I can do that ...
4
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1answer
87 views

No shading in ContourPlot3D

Say you want to plot a horizontal plane using ContourPlot3D[x == 0, {x, 0, 100}, {y, 0, 100}, {z, 0, 100}] How to turn off the shading? I would like to have only ...
2
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1answer
31 views

Setting default function values for particular option values

I have a function with some optional arguments. How do I assign a value for the function when one of the optional arguments takes a particular value, regardless of any other argument values?
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1answer
33 views

ContourPlot: Setting Global Options for Bar Legend

I'm looking to specify the appearance of contour plots globally in my Mathematica notebook. This is easily done with SetOptions: ...
5
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1answer
124 views

How to safely forward/manage options between functions?

Algorithms can often be splitted into smaller and reusable functions (that's a good thing). However with this scheme it is not clear to me how to ensure the consistency of the option values and ...
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2answers
111 views

How to get the derivative with StepMonitor?

I am trying to use StepMonitor inside of the NDSolveValue function for a complicated system of differential equations, but the simple example below shows my issue just fine. I am trying to obtain ...
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2answers
84 views

Why are these plots not the same?

I have the following code: ...
5
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2answers
86 views

Giving Plot options defined outside of the Plot expression

How can I give Plot formating expressions on a separate line just like ListPlot? When I use the following code with ...
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1answer
24 views

Set the ClosingSaveDialog to False

I would like to stop Mathematica from showing the "Save Changes To" dialog whenever I try to close a notebook. I tried changing this from the Option Inspector by setting the losingSaveDialog -> False ...
3
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1answer
85 views

What is a proper way to represent multidimensional data in TemporalData?

A TemporalData object can host multiple paths or it can admit a ValueDimensions option value greater than unity. In the former ...
11
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1answer
186 views

Option Lighting in the Show function does not work

Bug introduced in 11.2 or earlier and persisting through 12.0 There are something wrong when I try to evaluate the example from Lighting Docs, here is the code: <...
1
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1answer
41 views

Programmatic access to Export options for filetype

For specific filetypes, e.g JPG, GIF, etc. I would like to get a list of available options for use in Import and Export. Unfortunately, the obvious thing doesn’t work: ...
5
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1answer
82 views

Why is { } interpreted as an option in my function? [closed]

I don't understand the output from: ...
2
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1answer
32 views

ColorFunction in SphericalPlot3D fails with ImageValue

I would like to texture and deform a sphere with with images using various mapping functions between x,y and phi,theta. I figure I should start with $f(phi,theta)=(x,y)$ as a test case. However, I ...
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3answers
171 views

Why are the options given for IconData causing errors when used?

Reported to Wolfram Technical Support [CASE:4212712] Using Options on IconData reveals: ...
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2answers
135 views

How to make an option immutable

I am writing a package featuring several functions which depend on a large number of parameters. I'm trying to use Options so that I can define default values for ...
2
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1answer
49 views

OptionValue and OptionPattern not Changing Values

I am trying to produce a function with a few sets of arguments, one of which can accept options. However it doesn't seem to be responding to the changes that I accept. ...
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3answers
171 views

Can `PlotRange` of x-axis automattically determine y range?

PlotRange can specify the plotting range in each direction. Let's say you have a large set of data and you may want to plot parts of it by specifying the ...
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0answers
52 views

How to call a .nb notebook inside a another notebook [duplicate]

I generally use .m as the file for mathematica. However currently I have started using .nb interface and its looking good. However if I create separate .nb files and try to call/import them inside my ...
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0answers
63 views

Change magnification only for NEW notebooks? [duplicate]

I'm using Mathematica 11.3. In an earlier version, there was, I believe, an option allowing one to change the magnification for new notebooks (created, say, using the menu item File > New or the ...
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0answers
103 views

Programming a DBSCAN in Mathematica

FindClusters has a built-in Method called "DBSCAN". You can find it on this page: https://...
13
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4answers
434 views

Renaming options of custom functions while preserving backwards compatibility

I have a package with many functions. There is an option name that several functions share. I feel that the current name of this option was not the best choice. I would like to rename it, but at the ...
2
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1answer
57 views

Automatic space after comma in Code cell style

"Input" cell style automatically inserts a space after each comma, with natural exceptions such as when quotation marks are open. ...
3
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1answer
108 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 ...
4
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1answer
60 views

AccuracyGoal & PrecisionGoal: how to know which was used to yield the result?

With NMinimize (or many other functions), when an answer is found without any warnings, this means that a certain convergence criterium was achieved. It could be ...
2
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2answers
55 views

SearchPoints -> Automatic within DifferentialEvolution: what's its meaning?

A simple question: what is the meaning of the standard option (Automatic) for SearchPoints within the ...
4
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1answer
59 views

InputField of size that fits the content

I'd like to have an InputField that adjusts its size to the content. I can't make ImageSize->{All, All} or anything similar ...
1
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1answer
54 views

What purpose does using None in BarChart's ChartLabels option serve?

I am wondering how to describe the reasoning behind the None setting in ChartLabels to label a group of data. It's a very common way of using a bar chart but it ...
3
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1answer
83 views

Application example of RuleDelayed in options

In this question: Options which require RuleDelayed , an example was given, where the an option has to be given as a RuleDelayed: ...
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0answers
96 views

What is the philosophy behind \[Rule] (a.k.a. `->`) for assigning options?

Today I was banging my head against my desk when I realized that the problem I was experiencing was due to having typed ImageSize[Large] instead of ...
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0answers
96 views

RegionFunction parametric or piecewise definition

Hi I want to plot a contourplot of a given surface over an specific region only. I have used the RegionFunction option for it. Now the problem is that the regions I need to plot are defined by ...
2
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0answers
55 views

What Transforming Functions does Simplify use? [closed]

Edit: Turns out in my use case I should use ComplexExpand instead of Simplify. My broader question is still worth answering, but ...
2
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1answer
58 views

can square brackets be set to 'SpanMaxSize -> Infinity', so they act like parantheses globally?

From an answer to Keyboard entry of square bracketed matrices in text cells, How to? , I cribbed this code: CurrentValue[EvaluationNotebook[], InputAliases] = DeleteDuplicates@ Append[...
3
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1answer
58 views

Matching Aspect Ratios between two GeoGraphics with Entities for GeoRange

I'm making a basic 50-state map of population (using a log scale). Given the usual crucible of figuring out what to do with Hawaii and Alaska, I thought I would make the same ...
4
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0answers
77 views

What is the default method of FindClusters?

I used Method -> Automatic on FindClusters and obtain a cluster autoCts as below:- ...
6
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1answer
119 views

Passing options to GraphicsRow

I'm trying to pass the options to a simple function based on GraphicsRow as in the example below, but I get a long list of errors. ...
3
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1answer
63 views

Manipulate's LocalizeVariables and initial values of variables

Manipulate[a, {{a, 0.25, "label"}, 0, 1}, LocalizeVariables -> False] The initial value is then set to 0. On the other hand,...
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0answers
85 views

OptionsPattern[] Vs. opt___ [closed]

Since version 6 I've been dutifully using OptionsPattern[] instead of the original opts___ for passing options to functions. I ...
4
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2answers
69 views

Pure Function passed as an option to a function, which uses other options of the same function as arguments

I am editing my original question, as I have figured out a method of doing what I want. Now my question is if there is a more elegant, efficient way to do the following: ...