Questions dealing with optional named arguments of Mathematica functions.
0
votes
0answers
244 views
Unexpected result from contour plot - where is the color gradient?
When I plot a contour plot of my (in)famous code :P I get some unexpected results that I don't quite understand.
My code (the one that has ...
3
votes
2answers
253 views
X label in GraphicsColumn is cut off
I'm trying to use GraphicsColumn to plot two curves with very different ranges. for example,
...
6
votes
2answers
222 views
Passing unquoted strings (poor man's enumeration)
I would like to be able to pass an unquoted string as a parameter to a Mathematica function [that I am writing] and have it show up without evaluation if the string happens to be defined. Thus I would ...
-1
votes
1answer
120 views
GatherBy Option to group results?
How can GatherBy be programmed to take an option to group results as follows:
...
4
votes
0answers
53 views
SetOptions for every new notebook [duplicate]
Possible Duplicate:
Mathematica “prelude”
I'd like every plot to have a frame and Helvetica labels. I'm satisfied with
...
9
votes
1answer
391 views
How to tell mathematica not to resolve stiffness issues
Very often I solve partial differential equations that are nonlinear and could be up to 4th order. In these cases, it is usual for the solution determined by ...
5
votes
0answers
119 views
What Method options does FindInstance accept?
While answering Trouble getting FindInstance to return multiple results for certain constraints it became clear that for this problem FindInstance would be better ...
1
vote
1answer
113 views
1
vote
2answers
214 views
Plotting with NDSolve`StateData`
This question is a continuation of this.
As answered by J.M., I am able to iterate a solution.
However, I am unable to plot it.
I am sure that this has to do with my inability to understand how the ...
11
votes
2answers
337 views
About number truncation of ticks display in ListPlot
In my problem, I need to plot a figure in a relatively small region of the $x$ axis, e.g.,
...
12
votes
3answers
423 views
How to plot a curve with border around the line?
This can be useful if the curve is passing over both dark and light backgrounds (like well-done subtitles in movies).
11
votes
1answer
178 views
Problem using OptionValue with functions defined by SubValues, and the use of Options for function dispatch
I have a function that looks like:
...
5
votes
1answer
92 views
Remove CellMargins option from many cells
I have a very old notebook in which many cells had the CellMargins option set manually. What's the easiest way to remove all those manual option settings?
10
votes
2answers
229 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 ...
9
votes
3answers
272 views
Dealing with nested options
OptionValue allows for recent versions of Mathematica (I think as from 7) to easily access optional parameters if they are explicitely given to a function or their default values otherwise.
For big ...
11
votes
1answer
183 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 ...
10
votes
1answer
117 views
Figuring out how AbsoluteOptions works with Graphs
I am puzzled by how AbsoluteOptions works with Graph objects. I would have expected that one could use it to obtain all the ...
10
votes
2answers
372 views
Factorizing polynomials over fields other than $\mathbb{C}$
I'd like to take a polynomial in $\mathbb{Z}_5[x]$ of the form $ax^2+bx+c$ and factor it into irreducible polynomials.
For example:
Input...
x^2+4
Output...
...
12
votes
1answer
240 views
Function as an option to a function
I am new to mathematica ,so this question may seem a little naive.
I know how to use the option as an argument to a function, we can define an option by using ...
4
votes
0answers
399 views
Controlling the time step in NDSolve?
I generally use NDSolve for stiff non linear partial differential equations of 4th order. I find that a BDF1 method generally does well to placate my beast of a PDE.
I've also tried out ...
7
votes
1answer
188 views
What does MaxStepFraction do?
I find that with NDSolve[...] while solving a partial differential equation, changing the MaxStepFraction from ...
7
votes
1answer
229 views
Setting the DifferenceOrder Option
I've been playing around with Method in NDSolve[...] and can't quite seem to figure out how to force ...
32
votes
2answers
802 views
Extract values for ViewMatrix from a Graphics3D
Under More Information in the help page of ViewMatrix the following entry can be found
With the setting ...
11
votes
3answers
592 views
Number format of axes in a plot
How can I have a conditional format of the values appearing in the axis of a plot ?
I have in mind the number format options available in Excel for plots as described here ...
6
votes
2answers
423 views
How to set the NDSolve method to LSODA
I notice that off all the Method options available for NDSolve[...], LSODA is invoked quite ...
18
votes
1answer
421 views
Publishing results obtained in Mathematica
I've been using Mathematica to solve nonlinear partial differential equations for my doctoral research for the last 2 years or so. I am not an expert in Mathematica or mathematics and I am an engineer ...
14
votes
2answers
1k views
How to save plots in grayscale
As sophomoric as this question seems, how should I save plots in grayscale in Mathematica?
I generally like eps images for their scalability and I use ghostscript or other third party perl scripts ...
9
votes
1answer
936 views
What method does NDSolve use for solving PDEs?
What is NDSolve's mode of operation?
I use it to solve partial differential equations and never gave it too much thought. Recently, I came across this question. ...
10
votes
2answers
559 views
Labels and tickmarks inside Frame
Is there a way to force Plot and related functions to place the tick labels inside, rather than outside a frame? For example, consider,
...
9
votes
2answers
254 views
Saving a notebook without output lines
Is it possible to change the way Mathematica saves so that Out[] lines are never included?
I have a .nb file that processes a ...
10
votes
3answers
467 views
Passing down arguments
In R, one can use ... to pass arguments down to another function. For example
...
26
votes
6answers
977 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 ...
7
votes
2answers
287 views
Why does ListPlot ignore some global options?
Why does the following plot no use the global PlotMarkers option?
...
48
votes
4answers
2k 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 ...
15
votes
3answers
363 views
How can I set Grid alignments using numbers?
There is an example in the Alignment documentation (it also appears in the Grid documentation):
...
16
votes
3answers
248 views
How can I work out which functions work with SetOptions?
Not all functions seem to work with SetOptions. e.g.
...
7
votes
1answer
174 views
Setting up TextStyle with initialization cells in Mathematica 6+
It used to be quite straightforward to change the default settings of a notebook in terms of inputs, outputs, text styles and font sizes in previous versions of Mathematica using initialization cells ...
28
votes
3answers
696 views
How to find out which method Mathematica selected?
There are commands like NonlinearModelFit[] or NDSolve[] that have the option Method it ...
14
votes
2answers
358 views
Plot Option Precedence while combining Plots with `Show[]`
I like to build sophisticated plots by combining simpler ones with Show[]. Typically this involves setting non-default Plot-Options with the different ...
60
votes
4answers
1k views
How can one find undocumented options or option values in Mathematica?
Mathematica has a lot of undocumented or poorly documented options.
How does one go about working out if there is an undocumented option that might solve a particular problem?
How does one work out ...
