Questions on the Manipulate function of Mathematica, a function that allows the interactive manipulation of certain parameters in a Mathematica expression.

learn more… | top users | synonyms

1
vote
1answer
46 views
0
votes
0answers
17 views

Absolute VectorPlot scaling

I'm trying to visualize the vector components of a rotation matrix with absolute vector lengths. VectorScale Help states that When using an explicit sfun, positive values are automatically scaled ...
4
votes
0answers
45 views

Trouble understanding TrackedSymbols

While developing a relatively complex demonstration for Manipulate I encountered the problem that my output was unintentionally self-updating in an endless loop. ...
16
votes
3answers
362 views

What does None mean in a control specification for Manipulate?

I am now struggling to understand code that contains the following (simplified) Manipulate structure. ...
2
votes
1answer
29 views

Strange evaluating indication of output cells

Something like this happened when I was working with two Manipulate cells. I saved the notebook, duplicated it and only keep these two cells, and opened the ...
1
vote
1answer
43 views

Why wrapping this ContourPlot inside a Manipulate changes its output into something unrecognizable?

I am a bit puzzled: I wrap the same exact ContoutPlot inside a Manipulate, and it looks all wrong (I don't know what it's drawing but it does not look like the zeros of my polynomial). What am I doing ...
1
vote
2answers
74 views

Manipulate with multiple locators [on hold]

How can I work with tables/lists of Locators under manipulate? Note this is very similar to this question: http://mathematica.stackexchange.com/a/51956/2079 The ...
1
vote
1answer
108 views

Approaches to solving non-linear systems of equation with assumptions

The specific type of system looks as follows: \begin{align} (r-r')x+4d_1 x^3+4d_{12}xy^2 &= 0 \\ (r+r')y+4d_2 y^3+4d_{12}yx^2 &= 0 \\ \end{align} Where $r,r',d_1, d_2, d_{12}$ are all real ...
0
votes
1answer
16 views

Module and Manipulate: Why the Red Highlighting? [duplicate]

If I define a function that returns a Manipulate object, and the Manipulate has a local variable inside of it, the local ...
3
votes
2answers
88 views

Toggle plot visibility of dynamic number of data sets

I have multiple curves in my plot, and want to be able to toggle their visibility off/on. Which I got to work thanks to a different post. ...
0
votes
1answer
150 views

Performance Issue When Using Manipulate

Any help would be appreciated! I've been attempting to manipulate the graphics for time t. We need to have Di set to 11.2, however when it is set to any value greater than .1, we see a great deal of ...
0
votes
1answer
137 views

How would I use sliders to manipulate the slope and intercept of a plane in a graphics 3d box while the cdf was running

Would I link a slider value to a polynomial that represents the plane and draw it in the draw plane a function, Or, is there a way that would allow me to have sliders in the draw plane function ...
0
votes
2answers
60 views

how to use InputField function within the manipulate function

I am trying to make a demonstration that can take in a matrix and create a vector field. Currently I have the demonstration all functioning but to define the matrix it uses sliders. I know they cannot ...
1
vote
1answer
136 views

Manipulate - Evaluating Value of Function

I would like to visualize the properties of a threshold, which is a value of a function. Unfortunately, the value is expressed as scientific value (an approximation with 3-5 decimals would be fine) ...
13
votes
5answers
909 views

How are parameters evaluated for a Plot in Manipulate

I am trying to get my head around how Manipulate evaluates functions in a Plot. I have read the introduction to Manipulate, and introduction to Dynamic, but I still ...
5
votes
1answer
935 views

Manipulate (Linux version of Mathematica)

I'm runnning Mathematica 9 on Ubuntu 11.10. After installing CDF player I still have problem (most of time) with Manipulate. Only way I'm able to change value of a ...
2
votes
1answer
63 views

How to handle Indeterminate TimeConstrain

I have to use Timeconstrained[aux] first for avoid some bigs calculation that dont need and it use a lot of time of calculate, so i can't do this. ...
-1
votes
0answers
15 views

How to add labels and lines on an interactive diagram built in manipulate?

I have created an interactive diagram with an arrow that moves around a compass face as a result of a two parameter system using the manipulate function. I would like to label several things on the ...
2
votes
2answers
114 views

How to make a time slider like Manipulate[n,{n,1,20,1}]?

I want to make a time slider varied from 12:00:00 Jan 1,2015 to 22:30:00 Jan 1,2015 for every 5 minute. So like using Manipulate[n,{n,1,20,1}], ...
1
vote
0answers
52 views

How to restart a Clock

The code below is to demonstrate color afterimages. The user chooses a color, fixates the changing numbers at the center until they reach 30 (seconds), then manually switches to white to observer the ...
0
votes
1answer
39 views

How do I get the bounds of my Slider to correspond to the current length of a string entered in another control?

I have a text entry control in a Manipulate that I index into the value of using the value of a Slider control. This works as ...
6
votes
1answer
59 views

Solving a PDE with a spatially piecewise-constant material parameter

I would like to solve equation for the 2D distribution of an electrical potential in the conductive medium: $$\nabla\cdot(\sigma\nabla f) = 0$$ where $f=f(x,y)$ is the electric potential (in 2D) and ...
0
votes
1answer
44 views

Why won't Select work on my Dynamic values?

Why won't Select work on my list of Dynamic values? For example if I have some Dynamic ...
1
vote
1answer
24 views

When using PopupMenu other controls stop working

I have an interactive plot in a Manipulate expression with a PopupMenu. I want to be able to select the function being plotted ...
2
votes
1answer
72 views

How can I get “custom” controls to appear and behave like “default” controls in my Manipulate?

For various reasons I need to define some controls in my Manipulate with complex behaviors that are not (or at least I don't think can be) accomplished using the ...
1
vote
1answer
61 views

Entering an differential equation in a Manipulate box

Does anyone have an example of a Manipulate demonstration where the user can type into a box the differential equation, time interval, initial condition, and the result is plotted? This possible in ...
2
votes
2answers
77 views

Dynamic updating of Slot number [duplicate]

I want to change the slot number inside Manipulate[]. Here is a minimal example which does not work: ...
2
votes
1answer
95 views

How do I dynamically construct a string from a variable number of 'PopupMenu's in 'Manipulate'?

I have a string with a variable length, determined by the value of a SetterBar and whose characters are determined by a corresponding number of ...
0
votes
0answers
75 views

How could I add the WorldMap skin to this parametricPlot3d?

How could I stamp the worldmap inthis sphere of variable radius? I´m interested in the meridian of greenwich (longitude=length=0 Degree) is in the position of the longitude=length=0ºDegree of the ...
2
votes
1answer
75 views

What are Epilog x-Axis Positions In BoxWhiskerChart (with BarSpacing option)?

I have a dataset that has a number of groups with overlapping sets. There is a point in the group within the intersection of the sets that I want to highlight by placing a marker of that point between ...
2
votes
1answer
112 views

How to add a static JPEG into a Manipulate without slowing it down

I´m trying to add an image from a book into a Manipulate but it makes the Manipulate update very, very slowly. So much so that ...
4
votes
1answer
97 views

Unwanted interaction between instances of a Manipulate function

The function trajectory below is defined in terms of Manipulate and calls the auxiliary function ...
1
vote
2answers
55 views

Using manipulate with a defined funtion to solve a ODE

As many in this community I'm new in Mathematica and while exploring the numerical solver for differential equations, I tried: ...
1
vote
0answers
72 views

Substitute for 'InputField' in Wolfram Demonstration

My application relies on the ability of users to enter text, and has several settings with a huge range of potential values best entered as strings (to comply with Wolfram's admonition to "choose your ...
2
votes
1answer
127 views

Variable number of controls in manipulate

i want to add a variable amount of variables to manipulate, but i got stuck at one point and can't figure out a solution (even after reading here for hours...). I have a function (e.g. here a ...
1
vote
2answers
157 views

Manipulating elements of a matrix, to loop or not ?

I have a grid of values generated from a MATLAB evaluation. Most of these elements are 0, some 0.5 and the remainder 1. I'd like to write a mathematica script which reads in the CSV and then, in every ...
1
vote
1answer
33 views

ListAnimate for nested lists with two sliders

I have a very complicated function of three variables (a,b,c). Now I want to plot the function value as a function of a while ...
4
votes
1answer
120 views

The case of the disappearing locators

I have a complicated Manipulate that uses multiple locators, and need to document the output by saving the graphics to a file. The problem is that when I try to save the graphics, the locators ...
1
vote
1answer
35 views

Sequence not working in Manipulate?

I have a function that I would like to construct the Manipulate parameter list with Sequence. This is a simpler example but it ...
0
votes
2answers
180 views

Not seeing plot of solution returned by NDSolve

I am having trouble with generating a parametric plot with the following code: ...
3
votes
2answers
81 views
1
vote
1answer
67 views

Combine 3D plots into one with Manipulate and different region plots

The following script generates two plots in a row, both of them controlled by Manipulate. I would like to combine them together in one. The problem I don't know how to solve is that the plotting ...
3
votes
1answer
56 views

How use TraditionalForm input in InputField?

Inside a Manipulate, I'd like one of the controls to be an InputField and to allow the input entered to be in traditional form. ...
0
votes
1answer
27 views

Size of the box using Manipulate function

I am using the following command: Manipulate[Graphics[Arrow[{{0, 0}, {a Cos[ω t], a Sin[ω t]}}]], {t, 0, 10, 0.1}] In order to display a vector in circular ...
1
vote
2answers
68 views

How change style of InputField in a Manipulate?

Is it possible to specify a style, e.g., font size, for InputField type controls inside a Manipulate and if so, how? For ...
2
votes
2answers
73 views