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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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 ...
4k 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 ...
4k 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?
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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-...
7k views

Make a beautiful Moiré effect

How do I make the following Moiré pattern? I tried: ...
1k views

Change the color of a Locator in a Manipulate

How can I change the color of a Locator in a Manipulate? As an example, consider the following. ...
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: ...
952 views

Better way to visualize cylinder puzzle solution

The above puzzle has been a recent source of amusement in my clique. I decided to provide a visualization to motivate solution (here): My code: ...
618 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 ...
512 views

What is the equivalent of a prototypical Manipulate in lower level functions?

Background: In the Mathematica tutorial 'Dynamic Interactivity' I read that there is a way of developing GUIs in Mathematica that do not use Manipulate. I want to ...
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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 (...
3k 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 ...
665 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. ...
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 ...
620 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 ...
5k views

Manipulate to GIF

I am using the following example code to export Manipulate to GIF: ...
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The most simple Manipulate freezes the notebook on v10.1

I realize this won't be a particularly clear question. As I'm not able myself to find a pattern for the problem I'm talking about I won't be able to give enough informations to make it fully ...
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 ...
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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?
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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 ...
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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 "...
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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}, {Plot[Sin[x], {x, 0, 2 Pi}]}}], {a, 1, 3}] As you can see, ...
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Simulate a simple spinner

I'm teaching some simple ideas in probability to students in grade 7. The "spinner" below works, but I'm wondering how I could make it just a bit more realistic by having it actually "spin" around a ...
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Making a "cached" version of Manipulate[]?

I have a function that is a bit too slow for Manipulate[]. Right now I plan to cache outputs outside the manipulation and just have the manipulator select among ...
245 views

Putting large amounts of data inside a self-contained Manipulate

This is half tip, half question. If one tries to put a large amount of data inside the Initialization:>(code) part of a Manipulate, as one may be compelled to do in a Demonstration or where one wants ...
1k views

How to create a spiral using Golden Triangles

Working with students in a pre-calculus class, an application of the sine law. They are working on a question that has them create a Golden Triangle (A golden triangle is an isosceles triangle in ...
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How to set precision and format labeled Slider in Manipulate?

For my calculations, I need increased precision of parameter k in my Manipulate: ...
4k 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 ...
373 views

SaveDefinitions->True changes the displayed image

Bug introduced in 9.0.1 or earlier and fixed in 10.4.0 I have a Manipulate[ ] that displays an image with a superimposed Locator...
5k views

How to visualize a random forest classifier?

I'd like to recreate this visualization (from python) in Mathematica: I'm not sure how to extract the decision boundaries from a classifier with "Method" set to "RandomForest". Here's the code: <...
687 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 ...
4k 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 ...
661 views

How to use Locators on a graphic in a tabview

Background: I want to split graphics in a Manipulate in several parts in a tabview control. But the tabview somehow interferes with the locators as in the following simplified example: ...
933 views

For a better animation of the solution from NDSolve

I obtained a numerical solution from the following code with NDSolve ...
961 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 ...
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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 ...
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 ...
797 views

Dynamic graphics are less responsive inside a Manipulate

I have some code which displays a GraphPlot and allows the user to click on any vertex in the graph to display some information about that vertex in a popup window. ...
512 views

Initial values in Manipulate are hijacked by existing global variable values

Is the following behaviour a bug? It's the same in all versions between 9.0-10.2.0. Let's try this simple Manipulate with the initial value of ...
2k views

Generate random walk on a graph

I have a graph with 100 nodes and 200 edges. How can I generate a random walk in it and animate it?
334 views

Selective evaluation of blocks of code in a Manipulate

Is it possible to attach certain pieces of code to certain controls in a Manipulate? For example, consider the following Manipulate ...
6k 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: ...
1k views

1D quasicrystal: points on a line nearest to points on a lattice

I have a simple lattice / line manipulation: ...
554 views

How to make an Epilog moveable with drag and drop

I would like to make an Epilog moveable. For example, the following code generates a Manipulate with a framed pane containing some notes. I would like the user to be able to move those notes anywhere ...
4k views

ListLogLinearPlot logarithmic axis tickmarks

When using ListLogLinearPlot the abscissa labels every other decade. Is there a way to tell Mathematica to label each decade? I need to use this inside ...
2k views

Placing Manipulate controls in multiple columns

I have a Manipulate construct with a square Graphic on the left side and all the controls placed on the right side. There are so ...
3k views

How to specify the InputField as a String in Manipulate

I'm putting together a Demonstration which utilizes a function which operates on a (manipulated) String, and I'd like the ...
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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 ...