Questions relating to the dynamic family of functions in Mathematica, such as Dynamic, DynamicModule and Manipulate.

learn more… | top users | synonyms

3
votes
0answers
27 views

InteractiveTradingChart not working inside Dynamic

I would like to have an interactive trading chart that updates by changing the input stock. But anytime a dynamic is wrapped around the function, it doesn't manage to initialize. Is there any way to ...
3
votes
0answers
134 views

How to implement a live-searchable table view? [closed]

Everyone with a mobile device is familiar with table views, searchable scrolling tables where rows have multiple elements like images and text, and are populated from some data source. Since a ...
3
votes
0answers
79 views

Unimportant change in Dynamic

I just observed an unimportant change in version 10 with respect to Dynamic. The command x=0; Dynamic[x=x+1] returns a cell ...
3
votes
0answers
70 views

Non-preemptive evaluation of a dynamic function? [duplicate]

I want to monitor a long calculation that is triggered by the release of a Slider. While one can indicate running calculations when the main evaluation loop is ...
2
votes
3answers
199 views

Wrapping grid with dynamic

I'm trying to build a sortable grid: ...
2
votes
2answers
76 views

Range of plot function does not accept Dynamic output [duplicate]

Below is some code to produce a Fourier series. I want to be able to adjust L to change not only the function, but also the plot limits. I am getting the error : ...
2
votes
3answers
148 views

Incorrect behaviour of Locator inside Show?

Why doesn't Locator behave correctly in the following code? ...
2
votes
2answers
86 views

Issue with pure function when mapping dynamic content within graphics scope

What I am trying to achieve can be described using following code: vector = {{0, 0}, {1, 0}}; Graphics[Circle[#, 1] & /@ vector] In the above, a pure ...
2
votes
2answers
169 views

Evaluating an If expression inside Dynamic

I was trying to display some value inside a InputField. Usually it looks like this: ...
2
votes
3answers
223 views

How to create locked sliders with the ability of unlocking them?

This creates two locked sliders DynamicModule[{p = {2 π, 0}, r}, {Slider2D[Dynamic[r]], Slider2D[Dynamic[1 - r, (r = 1 - #) &]]}] How can I add a check ...
2
votes
3answers
159 views

Dynamic plot with Evaluate on expression

I'm trying to make a make a plot of a table of expressions, which should be pre-evaluated (since they are infinite series with analytic sums). I'm able to make the plot normally with ...
2
votes
2answers
775 views

Locator to show coordinates of plot

Old I would like to make the locator follow a plot, giving the coordinates as it moves. I don't really know where to start with this one, but I would like the dynamic plot to look something like ...
2
votes
2answers
307 views

How to make a Tooltip display dynamic based on a parameter value?

If k=3, then I would like the following to say "Sine Curve, k=3" when you hover over the output of the Tooltip command: ...
2
votes
2answers
833 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 ...
2
votes
2answers
68 views

How to scope variables in Manipulate (for Autorun)

This question is connected with that one (and all other connected). The purpose is to make a demonstration that has a Dynamic part among controls (I'm aware that it is not recommended, but ...
2
votes
2answers
78 views

Why doesn't Quantity accept a Dynamic expression as a second argument?

If anyone can help me with this, it would be greatly appreciated. I'm using the following code with the intent of using controls to easily input values and units: ...
2
votes
3answers
312 views

Why does Dynamic for PlotRange in ListLinePlot prevent the proper range from being used?

I am using Manipulate to simulate Brownian motion. I want to be able to zoom in. Thus, I want to use Dynamic for the ...
2
votes
2answers
150 views

DynamicModule with intermediate expressions

I am trying to generalize a Manipulate construct into a DynamicModule one to try and include smoother controls, but I seem to be ...
2
votes
3answers
330 views

Changing the Actions in EventHandler

I would like to be able to change which action specified events take depending on some condition. For example, I have established a SetterBar ...
2
votes
1answer
288 views

Dynamically updating interactive objects in Mathematica

Is it possible to create interactive code in Mathematica (via EventHandler[] or Manipulate[] perhaps) that continually updates some calculation based on external data in the time when no user input is ...
2
votes
2answers
174 views

Updating a tracked symbol inside Refresh?

I have some code inside a Manipulate, whose goal is to allow the user to edit the upper half of the matrix while keeping it symmetric at all time. The minimal code ...
2
votes
2answers
1k 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 ...
2
votes
2answers
137 views

How to display only a certain part of the content in a Panel?

I have a Panel of size {850, 400} as myPanel with a Pane of size {450, 400} and four images ...
2
votes
1answer
648 views

How draw dynamic empty rectangle over a bitmap?

I am trying to make a cookie cutter that will extract a small square from a much larger bitmap with a click of the mouse. The LocatorPane appears to be a useful way ...
2
votes
1answer
291 views

How can I change InputField value dynamically

I am storing the values from xlData to the result in a Grid form. I want when I change any of the value in any of the ...
2
votes
3answers
37 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 ...
2
votes
2answers
91 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
134 views

How to mimic Org-Mode with cell dingbats?

I love using org-mode to organize my to-do lists, the functionality is amazing, but it suffers from being stuck inside the emacs terminal... I'm hoping to replicate some basic features into a ...
2
votes
2answers
101 views

How could I change the apperance of a button when some hard computation is finished?

I want to have some bottons inside manipulate to calculate some time consuming functions. For example the following code changes its color after the calculation of Total[Range[123456000]] is ...
2
votes
1answer
232 views

Buttons Which Change Color, Each Time Pressed [closed]

I need to have 100 buttons, which their color is defined by the parity of number of times they are pressed: If they're pressed an even number of times their color is blue, and otherwise red. I don't ...
2
votes
1answer
169 views

Remove braces, {}, from around DynamicModule output?

Is there a way to remove the braces from the front end output associated with DynamicModule? For instance: ...
2
votes
1answer
187 views

Change the behaviour of a LocatorPane

Normally, LocatorPane detects any single click as in the following example: ...
2
votes
2answers
411 views

How to prevent errors in Manipulate with ListPlot when a result is an empty list?

I am trying to plot two lists, where one is the reference list, and the other is only used to select and highlight the first list. Basically, I want to use the selection list ...
2
votes
1answer
246 views

Undocumented Dynamic Function question

In the code below the value displayed next to the slider may be correct, and should be the result of The value of x for cyL and ...
2
votes
1answer
93 views

Building a two-player game

I would like to make a MMA version of this game. Modifying @belisariusisforth's code from this answer, I get ...
2
votes
3answers
86 views

ClickPane that shows or hides controls when clicked

I am trying to modify the parameters of a system by clicking on its graphics. I am using ClickPane with DialogInput. A code ...
2
votes
2answers
165 views

How to do dynamic range selection for data fitting in Log plot?

In linear plot, this can be achived by Locator like this: http://mathematica.stackexchange.com/a/24935/13580 ...
2
votes
1answer
113 views

How can I use parts of lists with Dynamic?

I'm a newbie - what am I doing wrong? I want to use parts of lists (vectors) in calculations but Mathematica will not evaluate anything that involves parts of lists that update dynamically. Is there a ...
2
votes
1answer
128 views

Multiple plots using dynamics

I am studying Dynamic and DynamicModule, and I have tried to make a simple plot of a family of real functions. The number of functions should be a dynamic variable controlled by a slider. So I have ...
2
votes
2answers
105 views

How can my Manipulate be aware of a local variable inside a nested Module

I have 3 sets of 5 x-y points: RandomInteger[10, {3, 5, 2}] I want to display only one set of points at a time, and use a slider to move on to show the next ...
2
votes
2answers
97 views

Why isn't Refresh working as expected? [duplicate]

This seems to me to be a very easy question, but I can't seem to figure it out. Instead of updating every 1 second, it auto-updates as quickly as possible. ...
2
votes
1answer
134 views

Two controls to Manipulate all elements of a list

Say, I have a list list and I don't want to assign different names to all its elements. What I want to do it to be able to interactively manipulate any of the ...
2
votes
2answers
148 views

How to control Manipulate speed

I want to ask about how can we control Manipulate function so that it is not incrementing the step until the expression is calculated. I have the following simple ...
2
votes
1answer
257 views

Dynamically Updating Function

I use Mathematica 8 and am working with DynamicModule. I'm trying to enter a function in an InputField then later apply it to two values entered in subsequent Input Fields. The function just does not ...
2
votes
1answer
85 views

How to dynamically update a variable by using mouse over?

I want to extract the Graphics type when I hover my mouse over an object, but I failed to do so. Below is the code I am working on. Any suggestions are welcome ...
2
votes
1answer
113 views

Manual CellGrouping option causes crash at cell evaluation

Update: Try to reproduce this behaviour with CellGrouping set to manual. To do that: either evaluate ...
2
votes
2answers
212 views

Getting variables out of Dynamic Modules after restoring the program

The scrap of code below [from Mathematica's Help on DynamicModules] generates a Pane of ...
2
votes
1answer
293 views

Why is this expression being held, and how can I evaluate it?

I can't figure out why an expression isn't evaluating, even though there's no Hold* in its FullForm: ...
2
votes
2answers
255 views

Adding Dynamic functionality to a Graph

I would like to make the edges and vertices of a Graph interactive, a simple demonstration is to change their colors: ...
2
votes
2answers
403 views

Create list via checkboxes

I am trying to achieve the following: Three (dynamically updated) Checkboxes (a, b and c) can be toggled on or off individually. Depending on their status, a ...