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

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2
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1answer
324 views

Cournot Equilibrium

I'm trying to determine reaction functions of a Cournot equilibrium for $n$ firms using the same optimal condition, using the fixed point method. This is the method I'm using: ...
1
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2answers
563 views

Manipulating PlotRange

Currently, I am working with some dynamic simulations of mechanical/electrical systems (in this case a kitchen scale). The main simulation is running smoothly but while building a nice GUI around the ...
3
votes
1answer
162 views

Manipulate and FileNameSetter don't want to play nice together

In a Manipulate, one can specific the type of an individual control like so: Manipulate[v, {v, Red, ColorSetter}] I tried to ...
7
votes
2answers
177 views

Why aren't the locators independently enabled/disabled?

I am wondering why the Enabled setting for the first locator (point1) overrides the Enabled setting for the second locator ...
2
votes
1answer
192 views

Plotting a dot product

From a conic equation obtained from a dot product, I want to plot its 2D graph, while being able to manipulate the variable. ...
6
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1answer
298 views

Using more than one set of Locators in a Manipulate

I need to add locators dynamically to different sets. With one set this works OK: ...
6
votes
1answer
145 views

How can I restore context menu functionality to a Manipulate that contains Locators?

Before adding a Locator to a Manipulate, I can easily print or export the result using a context menu: But after adding a ...
7
votes
1answer
702 views

How to eliminate the backward play in Export of Manipulate?

I find that the Export of Manipuate contains backforward play, see a simplified example: ...
6
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1answer
371 views

How do I constrain the region where I can drag a Locator?

How do I constrain the region where I can drag a Locator to conform to rules, including rules that apply to computations resulting from the value of the ...
6
votes
2answers
297 views

A command for outputting a list of parameter values in a Manipulate interface

I am looking for a command that will output a list of values that correspond to the current parameter values manually set on a particular Manipulate interface. For ...
3
votes
1answer
204 views

How can I independently move vector components (in 2D)?

Here's what may well be a simple problem that I have been having difficulty with: There are two connected vectors, v1 and v2, such that: v1 begins at the origin and and ends at point a1 v2 begins ...
5
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1answer
380 views

Enabled option for slider in Manipulate not updating dynamically

In a Manipulate expression I have a slider control which has the Enabled option ...
3
votes
2answers
956 views

Combining manipulated plots

Let's say I have two manipulated plots: Manipulate[Plot[Sin[a x], {x, 0, Pi}], {a, 0, 10}] Manipulate[Plot[Cos[b x], {x, 0, Pi}], {b, 0, 10}] How can I create a ...
4
votes
1answer
236 views

Automatically expanding sliders in Manipulate

Is there some way to have all sliders expanded by default in a Manipulator object, i.e. as if I had clicked all "+" signs?
6
votes
1answer
186 views

How can I have interruptible computations inside a manipulate?

Here's a perfect example of my problem: Manipulate[Pause[n], {n, {1, 10}, ContinuousAction -> False}, SynchronousUpdating -> False] It is illustrated by ...
4
votes
4answers
302 views

Manipulate with explicit updates

I want to use Manipulate (I am open to other alternatives) to apply one of two different functions f or ...
1
vote
1answer
490 views

Increasing number of decimal places in Manipulate input

I've made a Manipulate app. in Mathematica where I vary the value of a function f(a) by varying the parameter a. However, I seem to only be able to edit my input for a for a value up to 5 decimal ...
5
votes
2answers
259 views

saving Manipulate data inside a notebook

I want to send a few Manipulate Plots and regular plots to my advisor in a notebook. I ...
1
vote
1answer
265 views

Manipulate indexed Interpolating Functions

MWE I have some data indexed by gamma. For each gamma I want to find the intersection points of two lists and plot the lists ...
5
votes
1answer
279 views

How do I dynamically change Manipulate controls?

What I'd like to be able to do is dynamically change the axis of a 3D plot inside a manipulate. For example if I have a function that has three input variables I'd like a 3D plot using 2 of the ...
4
votes
2answers
295 views

How to speed up drawing a tangent plane?

I have this code to produce an interactive visualization of a tangent plane to a function: ...
6
votes
2answers
263 views

How to connect a checkbox with part of the graphics?

I'd like to have a checkbox in a Manipulate expression, governing whether part of the graphics is displayed or not. For instance, assume that I have a surface with ...
5
votes
1answer
211 views

How to convert String to an Expression inside Manipulate which depends on control variable

Normally, in Global context, these 2 are equivalent eqn = "r-x"; r = -2; Plot[ToExpression[eqn], {x, -5, 5}] and ...
5
votes
1answer
185 views

Control variable and body variable decoupling in Manipulate

This issue was raised as an offside problem in this thread. Consider the following example, that does not work as expected: ...
2
votes
2answers
496 views

Dynamically choosing which Manipulate controls to use

I have some stuff I would like to manipulate, using two different kinds of control, one at a time, using another variable as a switch. These controls are similar in principle to ...
7
votes
1answer
197 views

Prevent interdependence of controls

My question is probably best illustrated with this small sample code: ...
3
votes
1answer
165 views

Change values in equation with slider

I want to make an equation where the values adjust to my slider which I inserted with manipulate. Well, I tried, but when I use the slider the equation starts to fall apart. Actually this should ...
3
votes
2answers
773 views

Why is my animation so slow?

I have an animated plot of the kind ...
7
votes
1answer
216 views

Make ControlActive respond faster within Animate

The following code uses Animate to create an animation that displays as {t, "Inactive"} when paused, and {t, "Active"} when running: ...
7
votes
3answers
535 views

For[] or While[] can't be used inside Manipulate[]?

Here is a code sample that creates a control object which calculates the expressions inside Maniplate again and again and never stop (it's proved by the code in the ...
2
votes
1answer
78 views

`Trigger` autorunning when not supposed to

Recently I was trying to make something where one could vary the parameters and press play to see how the animation changed. However, when I tried running the code it would just start automatically. ...
13
votes
5answers
602 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 ...
3
votes
1answer
185 views

How to link a button to a manipulate play

I am wondering how I can link a button to the play button shown if you expand "Show Animation Control", So something like, ...
2
votes
1answer
208 views

Why is LogLogPlot[] slower than Plot[]?

I notice that LogLogPlot runs quite bit more slowly than ordinary Plot. For example, consider the following two blocks of code ...
13
votes
1answer
292 views

Evaluation indicator for a notebook

I have a GUI with a number of TabView and other Manipulate controls. Sometimes clicking from one tab view to the other can take ...
7
votes
1answer
251 views

How to wrap this dynamic code inside a Manipulate?

My goal is to set up a Ising-type simulation, where many fast simulation steps are done in the background, and a visualization of the current state is displayed as the simulation evolves, being ...
3
votes
1answer
151 views

Manipulate not showing anything

This works: Manipulate[Plot[2*x + 3*y, {x, 3, 4}], {y, 3, 4}] But this doesn't ...
6
votes
3answers
541 views

Changing background colour of a Manipulate element

Please consider the following: Manipulate[Plot[Sin[x (1 + a x)], {x, 0, 6}], {a, 0, 2}]; Now, I would like to change the background colour to yellow. I tried ...
2
votes
2answers
691 views

Manipulate a Differential Equation result

I want to Manipulate the result of Differential Equation like : ...
2
votes
1answer
135 views

semantics of `ContinuousAction` on a slider. Mouse release

I needed to make 2 slider inter-dependent. Slider b in this example can't be larger than slider a. When I move slider ...
2
votes
2answers
231 views

How to clear variables in a manipulate without enabling dynamic content?

I have a series of variables that will plot the number of straight segments along a curve, thanks to the help from here on one of my previous questions. I can create a working Manipulate command from ...
4
votes
1answer
244 views

Upon opening my notebook, I must evaluate cell for code to work properly

I am new to Mathematica. Once I evaluate the cell containing the code, my Manipulate works as desired; however, if I open the file and do not evaluate the cell, the Manipulate goes haywire. Can ...
-1
votes
1answer
256 views

Speed Up SphericalPlot3D

I was wondering if I could speed up SphericalPlot3D? I tried editing PlotPoints, and ...
4
votes
1answer
266 views

Mathematica's external controllers?

While reading the Manipulate reference I've noticed this line: What are the available external devices for that? Some months ago I was thinking on what would be needed to use a MIDI Controller ...
4
votes
2answers
134 views

Thread[] seems to reset changes made with Manipulate[]

Recently I have been working on group theory and I have found checking for associativity for specific Cayley tables to be rather tedious so I wrote a program to do it for me. Most of the time I would ...
14
votes
4answers
897 views

Mathematica Manipulate with macros AND variable number of controls (persistence desired)

This post about avoiding code duplication in Manipulate helped a lot getting as far as I did. The method of "macros" outlined there works excellent, but when the ...
2
votes
1answer
393 views

Why is slider not working properly in Manipulate?

This script is an abstraction from a script intended to plot errors in guiding a small telescope that is tracking a guide star. The data loosely imitate the kind of data one might get from the program ...
2
votes
1answer
350 views

Manipulating an arbitrary-precision ContourPlot

I have a function, say minimizeme[ω_][β_][ϵ_] = ϵ^2 ω-Log[2 (Cosh[2 β]+Cosh[2 β ϵ])]/(2 β); I want to make a high-precision dynamic ...
6
votes
3answers
512 views

Proper way to handle free variables in manipulate/plot?

It took me a while today to figure out that Manipulate (used with Plot) requires that the variable I'm manipulating be an actual ...
12
votes
3answers
1k views

RevolutionPlot3D: but NOT revolving about the z axis

I want to demonstrate generating a solid of revolution by revolving a planar region about, say, a horizontal axis. However, RevolutionPlot3D doesn't seem to have an ...