Questions tagged [manipulate]

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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26
votes
6answers
3k 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 ...
38
votes
3answers
3k 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
3answers
2k views

Plots quality during manipulation

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 ...
18
votes
3answers
596 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. ...
14
votes
3answers
3k 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 ...
17
votes
1answer
561 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 ...
15
votes
2answers
3k 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
1answer
887 views

Manipulate runs fine normally, but gives errors as a CDF

I've simplified my code to what can reproduce my error. Basically, I have two lines: ...
13
votes
3answers
820 views

Interdependent controls in Manipulate [duplicate]

Possible Duplicate: How to create interrelated sliders? locking a value when manipulating variables I need to create a Manipulate with two control parameters ...
7
votes
3answers
5k 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: ...
16
votes
4answers
376 views

Resizing or moving Notebook window causes Manipulate to update its argument

Bug introduced in 10.0 and fixed in 10.3.0 Check this example: Manipulate[Grid[{{RandomReal[10]}, {Plot[Sin[x], {x, 0, 2 Pi}]}}], {a, 1, 3}] As you can see, ...
6
votes
2answers
575 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 ...
11
votes
2answers
408 views

Avoiding slow evaluations in Manipulate when combining graphics with Show

I want to figure out how to combine several graphics in manipulate such that only the ones that change are recomputed. I looked into the tutorials on Advanced Manipulate, but couldn't figure out how ...
6
votes
3answers
769 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 ...
22
votes
3answers
1k 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: ...
22
votes
1answer
1k 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 (...
14
votes
2answers
922 views

How can I create an interactive ColorFunction using Manipulate?

I am trying to specify my own colors and scaling for the ColorFunction in ListDensityPlot. I have several lists of 2D values ...
11
votes
1answer
586 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 ...
12
votes
2answers
1k 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 ...
12
votes
2answers
5k 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
3answers
1k 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 ...
18
votes
4answers
1k 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
904 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
376 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 ...
23
votes
2answers
577 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 ...
8
votes
2answers
1k 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 ...
17
votes
3answers
2k 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 ...
6
votes
3answers
780 views

Unexpected Setter Bar Behavior when Manipulate Nested in Dynamic Module

Consider this code: DynamicModule[{x, y}, x[t_] := t^2 + 5; y[t_] := t^3 + 5; Manipulate[Plot[fcn[t], {t, -5, 5}], {fcn, {x -> "Square", y -> "Cubic"}}]] ...
7
votes
4answers
775 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 ...
6
votes
1answer
664 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 ...
1
vote
1answer
143 views

Continuation of a Problem with Manipulate

For the beginning of this discussion, see: A problem with Manipulate. Now, the final use of the Initialization command doesn't protect the Global workspace. What I am discussing is not a single ...
11
votes
2answers
867 views

Dependent Manipulate sliders

I would like to use dependent sliders in Manipulate. First slider K0 should be independent and varied from ...
6
votes
4answers
1k views

Using Manipulate to vary the frequency of a sound produced by SoundNote[]

I have tried various ways to combine Manipulate and Sound/SoundNote that would allow me to vary the frequency of a sound while it is being produced. The addition of Dynamic didn't help, but did ...
6
votes
3answers
651 views

Manipulate changing controls

Is it possible to use Manipulate and Switch to change the Manipulate controls? ...
9
votes
2answers
393 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 ...
14
votes
1answer
1k views

Can Manipulate controls have the option Appearance -> “Labeled” by default?

I was wondering if there's a way to tell Mathematica to use the option Appearance -> "Labeled" for all Manipulate commands by ...
11
votes
1answer
602 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 <...
10
votes
2answers
892 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 ...
5
votes
4answers
1k views

How to select interactively datasets to plot with Manipulate

I'm using Manipulate to visualize three datasets: Manipulate[ListPlot[WHAT -> what], {what, {dataset1, dataset2, dataset3}}] Now with this solution I can only ...
9
votes
5answers
692 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 ...
4
votes
1answer
328 views

ControlType -> None Vs. Module inside Manipulate (i.e. making everything local)

I'm building a program on another one made available in the Wolfram Demonstration Project. I've noticed that in the original code (working flawlessly) many variables were made local inside the ...
2
votes
1answer
736 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. ...
6
votes
1answer
977 views

Manipulate not showing anything

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

Selection Limit on CheckboxBar

Is there an easy way to limit the number of selections in a CheckboxBar such that at any time you can choose only two options. I tried to use the "Enabled" option, but that grays out the whole ...
26
votes
6answers
6k 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 y-...
18
votes
4answers
2k 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 ...
26
votes
2answers
3k views

How can I set the speed of manipulate play button?

Can you set the speed at which a Manipulate plays when the play button is clicked?
16
votes
3answers
2k views

Particles bouncing in a 3D box

I made this Manipulate code which shows a pack of particles randomly moving inside a box. It has a huge performance issue. What should be the best way in doing "...
5
votes
3answers
1k views

How to put some number of queens on chess board dynamically?

I asked how to make resizable chessboard in here. nickjamesuk help me . Here is the code. I thought I can put queens on the board chess board easily after created resizable board, but it didn't work ...
13
votes
2answers
1k views

Restrict Locator to a certain graphic inside Manipulate

I would like to restrict the Locator inside Manipulate to a certain graphic. For example if I display two graphs, I would like to be able to click on the right one and use this information in other ...