Questions dealing with optional named arguments of Mathematica functions.

learn more… | top users | synonyms

42
votes
6answers
3k views

How can I create a function with optional arguments and options?

Is it possible to create a function with optional arguments that also takes options? Here is a simple example. I have a function f with option "g". It also has ...
1
vote
3answers
91 views

Options in a StringReplace rule

case1 Options[f] = {"t" -> "0"}; f[___, OptionsPattern[]] := StringReplace["content", "t" :> OptionValue["t"]] f[] (* con0en0 *) case2 ...
9
votes
2answers
235 views

Orderless pattern matching of rule lists

I am looking for a compact way to specify a pattern to match a rule list with MatchQ that allows for enumerating the rules in the rule list in an arbitrary order. ...
2
votes
2answers
88 views

How can I generate a variable-length list of options in PieChart?

I would like to allow a user to manipulate the segments of a pie-chart, which is to be generated from a list of a specific format. The code looks something like the following: ...
3
votes
4answers
308 views

Change all Options of Plot Dynamically

I am trying to make a series of changes in the appearance of the Plot of some function. I am trying to use Manipulate for my experiments. I tried to change the following code ...
1
vote
1answer
694 views

Which methods are available for NMinimize? [closed]

I can't find in the documentation the list of methods available to NMinimize[]. Is there a way to get this? The NMinimize page in Documentation Center mentions only ...
1
vote
1answer
106 views

Bound on number of function evalulations in FindMinimum

I am minimizing a nonlinear constrained problem using FindMinimum. The problem involves about 200 variables and the function is a black-box which cannot be ...
2
votes
0answers
112 views

How do I incorporate metadata using Export?

I have Export["file.png",codeThatMakesAGraphicsObject[],"PNG"]; and want to embed some specific metadata information. Is there a simple way to do that? Note ...
0
votes
1answer
111 views

How to make an index optional?

Can I define a relation between variables, such that the expression will also be evaluated (then assuming all indices are equal) when no index is given? $$ x_i + y_j = \delta_{ij} ...
0
votes
1answer
112 views

Workaround for automatic replacement of “\r” to “\n”

When I run the following code in an empty notebook SetOptions[EvaluationNotebook[], testOption -> "\n\r"] and then open the notebook in Notepad, I find ...
2
votes
0answers
52 views
5
votes
1answer
398 views

How to make a filled Ellipsoid?

I want to make a filled Ellipsoid, but it seems Filling options doesn't work in Graphics ...
2
votes
1answer
47 views

Options CellLabel not showing

I'm back with the labels and tags questions! Here is my code: mb = CreateDocument[Null, ShowCellTags -> True]; In the new document, I create a new cell, add ...
2
votes
1answer
58 views

Label cell goes away with SelectionEvaluate

When a given cell has a label (given with the CellLabel->"label" option of the cell), then this label disappears after calling SelectionEvaluate[ nb ] when the ...
6
votes
3answers
364 views

How to disable differential styles/markers/etc. for multiple entities?

For functions that can produce multiple "style-able" entities, Mathematica by default will give each such entity a different style. Similar conventions apply to other features, either by default, or ...
14
votes
1answer
387 views

Method -> {“AxesInFront” -> False} for Graphics3D

I'm aware of two ways to manage positioning of Axes for Graphics3D: AxesOrigin and ...
1
vote
1answer
84 views

Append CellTag to list of Cells

As suggested in this earlier post, I restate my question here about appending CellTags option to existing list of Cells. What I ...
1
vote
1answer
82 views

SetOptions and Cell

I'm trying to change the CellLabel of Cells using SetOptions[Cell, CellLabel -> "test"] or ...
28
votes
2answers
419 views

Chart illustrating options that affect Graphics/Graphics3D objects

In Mathematica there is a seemingly never-ending list of parameters that affect the appearance of Graphics and Graphics3D ...
9
votes
0answers
124 views

How can I obtain the absolute settings of some Grid options?

For example: Grid[{{10!}, {5!}}, ItemSize -> Full, Frame -> All] What's the real value of Full? How can I map the ...
2
votes
1answer
398 views

How do you adjust tick direction on a 3d plot?

I have a 3d plot with oddly angled tick marks. Whether it's due to the viewing angle being unexpected or some other reason, the tick marks on the bottom axes are angled up along the sides rather than ...
4
votes
0answers
186 views

The guidelines for options or multiple arguments?

Where can I find some references concerning when to use options and when to use multiple arguments in designing and writing functions? Seems most built-in functions have arguments less than 3 and ...
71
votes
4answers
3k views

Functions with Options

Suppose you want to create a function which has optional arguments. Maeder's book "Programming in Mathematica" covers the topic extensively up to version 3, but some things have changed/evolved since ...
1
vote
1answer
87 views

What's the best way to select compatible options? [duplicate]

How do i safely, efficiently, and elegantly select compatible options? I normally do ...
2
votes
0answers
71 views

Setting Up Lightweight Grid On Multiple Clients Programmatically

I have a number of computers which all might need to use the same (client) configuration for the Wolfram Lightweight Grid at some point. I know that there are ways to programmatically set certain ...
4
votes
1answer
279 views

Can BoxWhiskerChart show both the median and outliers at the same time?

Is there an easy way to make BoxWhiskerChart show both the outliers and the median line? g1 below shows outliers but not the ...
3
votes
1answer
433 views

Evaluating function only when its optional argument is numeric

I want to have the argument 'a' for myf2 in form of optional argument, but at the same time I need to evaluate the function only if 'a' is Numeric, see also my previous question. ...
10
votes
4answers
242 views

Is it possible to separately call the default value of a variable which isn't at the end of the sequence?

After reading this post I recalled an old question I once met. We know that we can set default values for variables of a function: ...
2
votes
1answer
119 views

How can I define a function taking two distinguishable sets of options?

It commonly happens that one wants to define some function foo which in turn calls some other function (e.g., Plot) that can ...
1
vote
0answers
111 views

How to insert a function into OptionsPattern?

I’ve written a function TableauForm to draw a standard Young Tableau. This problem is related to this one, however, the difficulty is that, a function has to be applied to the list in my case. This ...
5
votes
3answers
296 views

Switching among view points in a Manipulate expression

Edit: Some additional viewpoints were included to make it easier to test. Here's code for an alternative function, the graph of which is a bit less symmetric. Feel free to use either code set: ...
3
votes
1answer
542 views

Explanation about RegionFunction and MeshFunctions?

In the link, ParametricPlot3D, consider the example(Variation on the Spheres) given in the Neat Examples section. Can someone please explain how ...
5
votes
1answer
202 views

Set some Method options for NDSolve globally while allowing others to change

In a code base that is difficult to change for unrelated issues, I have many invocations of NDSolve that look like the following: ...
3
votes
0answers
82 views

Make all new cells have a specific style as a function of the Mathematica installation

I would like all new input and output cells, in fact all new cells including section headers and such, to have a specific stylistic property (...
3
votes
2answers
88 views

Manipulation of Automatic settings in a given case

Often I use the Automatic option to specify plot styles, plot ranges, image sizes, etc. I'd like to be able to apply some modifications to these automatically ...
1
vote
0answers
156 views

How to get all possible Rules and Elements of Functions like ExportString [duplicate]

Here are some $ExportFormats. I'd like to know which one has some options or elements of Import and Export. ...
4
votes
1answer
193 views

warnings shows up in message window

I have no idea why, but suddenly all my evaluation with warnings like "sum does not converge" has begun to show up in a message box. Since always they appeared between In[] and Out[]? How do I make ...
5
votes
1answer
214 views

Default FontFamily for PlotLabel

This is probably a rather basic question and I presume I am simply unable to make proper use of the Options[] function: I am trying to figure out what the default ...
10
votes
2answers
397 views

What do the options of SmoothKernelDistribution do?

The function SmoothKernelDistribution has three options that are not described in too much detail in the Mathematica's help window. InterpolationPoints: What is ...
6
votes
2answers
488 views

How to show wireframes on imported Object / Mesh (.obj file)

I've managed to import a Wavefront (.obj) file and store it in a variable like so: ...
9
votes
1answer
232 views

Creating a NearestFunction that returns an index

I use Nearest repeatedly for large data sets. For example pts = RandomReal[{-1, 1}, {1000, 3}]; Nearest[pts, {0, 0, 0}] I ...
1
vote
2answers
644 views
5
votes
0answers
87 views

ShowSelection color

The color of a selection is controlled by the operating system. E.g., enter the following code in separate cells. ...
9
votes
2answers
599 views

Solving/Reducing equations in $\mathbb{Z}/p\mathbb{Z}$

I was trying to find all the numbers $n$ for which $2^n=n\mod 10^k$ using Mathematica. My first try: Reduce[2^n == n, n, Modulus -> 100] However, I receive ...
11
votes
3answers
493 views

Pass by reference for an option argument

Pass by reference can be faked by using HoldAll or something similar in the definition of a "Function". But can pass by reference be faked for symbols passed as ...
2
votes
1answer
181 views

Can we give Mathematica hints for symbolic sums and products?

I have this question at MO and I would like to know if we can give hints to get the symbolic sums and products to come out as $\frac{6}{\pi^{2}}\pm\epsilon$ instead of $0.60792710...$ accurate to ...
3
votes
1answer
269 views

Reuse ParametricPlot3D plotting options [duplicate]

I create several ParametricPlot3D's that all should look the same: BoundaryStyle -> Thick, ...
12
votes
1answer
271 views

What's a good style for inheriting Options[] of built-in function?

Options[myPlot] = Options[Plot]; myPlot[args___] := ... When defining a "wrapper" function like the above, I'd like it to inherit the ...
2
votes
2answers
153 views

How to find out if invisible notebooks are still open

If I create a notebook CreateDocument and I set options such that Visible -> False, is there any way to tell if it's still ...