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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13
votes
5answers
901 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 ...
10
votes
3answers
905 views

PolarPlot render oddities

I apologize if this is a obvious question and answer, I don't often use Mathematica to display plots or graphics in general to be honest. So, I was tutoring my cousin yesterday in relation to Polar ...
12
votes
3answers
2k 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 ...
28
votes
3answers
2k views

Manipulate with a variable number of sliders

I have a function that operates on a list of parameters of variable-length $n$. I would like to create a Manipulate[] that has $n$ sliders, one for each list ...
13
votes
1answer
407 views

Is it possible to use Begin and End inside a Manipulate?

May be someone can explain why I can't use Begin["context`"] and End[] inside a Manipulate ...
16
votes
3answers
339 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. ...
6
votes
3answers
364 views

Using function with multiple definitions in Manipulate

I'm trying to use Manipulate to visually try out different values of lambda in a Box-Cox transformation. I've created a boxcox ...
21
votes
3answers
821 views

How to modularize custom controls for Manipulate?

Background: My Manipulate programs are becoming (too) long. I want to split them up in to independent modules, if at all possible. Take this program as a prototype: ...
19
votes
1answer
682 views

What is the proper method to load a Mathematica package inside a DynamicModule

I have a DynamicModule that requires loading of Mathematica packages. The usual methods do not seem to apply (...
10
votes
1answer
431 views

Manipulate evaluation sequence

Manipulate doesn't always evaluate in the order I expect it to. What is the evaluation sequence for Manipulate and other ...
5
votes
2answers
316 views

How to dynamically update Locator[] constraints?

I need to visualize Menelaus' theorem for a triangle with moving locators for each of six points. So the vertexes of the triangle can move in any possible way, and the three points on the sides of the ...
14
votes
3answers
712 views

Logarithmic slider

Is it possible to create a logarithmic slider similar to this one that responds to a change of the variable value? That is, when the slider is moved, the variable value should update. When the ...
10
votes
2answers
735 views

Simple problem with Manipulate and Plot

Would anyone have an idea why the following doesn't work: rule = {z -> x^2 + 2 x + y}; Manipulate[ Plot[z /. rule, {x, 0, 10}], {{y, 2, "y"}, 1, 5} ] But ...
9
votes
5answers
480 views

Manipulate Exp[I θ]+b Exp[-I θ]

I've uploaded an image showing a demonstration I'd like to create, but I definitely need help. There is a lot of talent on this list, so maybe someone can help me get started learning how to add ...
16
votes
4answers
779 views

In a CDF can I suppress or avoid “This file contains potentially unsafe dynamic content…”

I created a CDF to distribute to a single trusted user who both knows and trusts me and everything I make for them. I downloaded the CDF player and the CDF to one of their computers. The CDF works ...
6
votes
1answer
479 views

Enabled option for slider in Manipulate not updating dynamically

In a Manipulate expression I have a slider control which has the Enabled option ...
9
votes
2answers
264 views

How to avoid an expensive subset of a Manipulate computation when dependent variables have not changed?

I have a Manipulate where a portion of the calculation that ends up displayed is dependent on a subset of the Manipulate control ...
9
votes
2answers
708 views

How To interactively create a Polygon in a Graphic?

Background: suppose I start with the following (working) snippet. Manipulate[Graphics[Line[{{0, 0}, p}], PlotRange -> 2], {{p, {1, 1}}, Locator}] Ideally, I ...
4
votes
2answers
684 views

Moving From Dynamic Module to Manipulate

In trying to implement Vitaly's suggestion about how to take control of Locator events, I have been able to make headway using ...
9
votes
2answers
327 views

How can I get Manipulator control elements to appear on one line?

By default Manipulator produced by Manipulate with Appearance -> "Open" option have two ...
6
votes
2answers
2k views

Export animation of a Manipulate autorun sequence?

I've got a Manipulate that does a vector field plot. Basically a function that returns a list of Graphics objects and a couple of sliders: ...
6
votes
1answer
425 views

Why does Manipulate execute the expression twice?

When I execute Foobar[] in the code below and move a slider, the variable grad is printed twice. Why is this? How can I make the ...
5
votes
4answers
323 views

Manipulate flickering and consuming lots of CPU

I am new to Mathematica and was experimenting with a simply problem of plotting a tangent to a curve and being able to move the point at which the tangent is drawn using ...
4
votes
2answers
1k 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 ...
3
votes
3answers
426 views

Constrain movement of a locator inside Manipulate

Once again a big thank you for the great help in my earlier post: Plotting function with Dynamic parameter. It totally worked out. I now have a new coding problem ...
2
votes
1answer
257 views

How to apply a free-form input Function using InputField

I am trying to take a free-form input Function to create a list using NestList. ...
3
votes
2answers
289 views

How to make slider in/visible in Manipulate?

I need your help with making a slider invisible and visible in a Manipulate. Here is my code: ...
2
votes
2answers
170 views

Problems with Manipulate (indicated by blinking output cell)

The following code produces the error message when exported to CDF in the title of this question. Although I have seen similar issues on SE, the problem is manifest by the "blinking" of the plot ...
21
votes
6answers
3k views

Using ListPointPlot3D to simulate 2D plots moving in time

I wrote a 1D solver for the heat equation $u_t=u_{xx}$, and I can animate the solution using normal ListPlot command, where the x-axis is the rod length, and the ...
10
votes
1answer
291 views

Full documentation for AppearanceElements

As explained in this solution, ListAnimate[Table[Plot[Sin[n x], {x, 0, 2}], {n, 3}]]//InputForm will allow me to view the types of appearance element for the ...
5
votes
2answers
300 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 ...
10
votes
3answers
113 views

Resizing or moving Notebook window causes Manipulate to update its argument

Check this example: Manipulate[Grid[{{RandomReal[10]}, {Plot[Sin[x], {x, 0, 2 Pi}]}}], {a, 1, 3}] As you can see, moving or resizing the Notebook window causes ...
4
votes
3answers
227 views

Is there something wrong with this piece of code involving Manipulate?

I am playing around with the Manipulate sentence. I think the following code is right, and actually Mathematica 9.0 doesn't return any error message, but I am ...
4
votes
3answers
1k views

Manipulate using a variable defined outside of the manipulate function [duplicate]

I want to do something like this: expr := x^e; Manipulate[Plot[expr, {x, 0, 4}], {e, 1, 3}] But the plot shows up empty. Yes, it works if I do: ...
3
votes
2answers
297 views

Why does the syntax highlighter color a local symbol red inside DynamicModule?

I am adding a Module inside DynamicModule here is an example (thanks to @rm-rf for this simple example) ...
1
vote
1answer
611 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 ...
3
votes
4answers
304 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
2answers
181 views

Manipulate keeps replaying the animation non-stop

I made a notebook with the following code, but for some reason when I evaluate it it keeps replaying repeatedly. What is causing this? Thanks. ...
14
votes
4answers
1k 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 ...
20
votes
2answers
361 views

The dangers of SaveDefinitions — should this really happen?

I have been bitten hard by SaveDefinitions -> True. I'll describe in detail what happened below. My questions are: Is this a bug? What is the most convenient ...
10
votes
2answers
320 views

Dependent Manipulate sliders

I would like to use dependent sliders in Manipulate. First slider K0 should be independent and varied from ...
4
votes
2answers
211 views

Manipulate changing controls

Is it possible to use Manipulate and Switch to change the Manipulate controls? ...
6
votes
1answer
372 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: ...
5
votes
1answer
218 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: ...
7
votes
1answer
397 views

Locking a value when Manipulating variables

I'm trying to achieve something similar to Bret Victor's brilliant Scrubbing Calculator in Mathematica. By using Manipulate I'd like to change the values of the variables such that if I modify one ...
5
votes
1answer
930 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
70 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 ...
11
votes
4answers
773 views

Manipulate BarChart with Mathematica

In the following minimal working example: Manipulate[BarChart[{a,b}],{a,1,2},{b,1,2}] I'd like to be able to control the size of the bars by using some sort of ...
7
votes
1answer
201 views

Prevent interdependence of controls

My question is probably best illustrated with this small sample code: ...
6
votes
2answers
130 views

Choppy curves with Manipulate [duplicate]

While manipulating the slider in Manipulate[], I experience choppy curves. These do however render correctly after letting go of the slider. The same phenomenon occurs when pressing the + or - button ...