Tagged Questions

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

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3
votes
1answer
123 views

Comparing data sets with fade transitions (Code speed-up)

I am using the utility below for data comparison. However, with my real (more complex) charts the processing is quite slow, so setting the Pause time under ...
5
votes
2answers
887 views

Equivalent of MATLAB's “hold on” function

I'm making an animation where the number of iterations is known. I tried using Dynamic, as I prefer updating in real time over generating data before plotting. I ...
0
votes
1answer
148 views

Labelling Curves Using ListLogLinearPlot within DynamicModule (So Close)

I currently have a large number of time-series datasets in the form where the name and time-series transposed data, so I have a list of lists of names for datasets and their time-dependant data. The ...
4
votes
2answers
129 views

Refresh dynamic variable when used with Get

I came across this issue with a more complicated program I was working on. Suppose we have a volatile variable data: ...
1
vote
2answers
107 views

Automatically evaluating related cells

I have the cells: In[1]:= l = 2 + 2; In[2]:= l >= 5 After evaluating them: Out[2]:= False Is there a way to evaluate ...
12
votes
1answer
430 views

Manipulate slider unresponsive after suspend in Linux

I've tested Linux Mathematica versions 7-9 on various Linux distributions, with identical problem: after suspend/resume cycle my Manipulate controls (i.e. sliders&buttons) appear unresponsive, ...
2
votes
1answer
88 views

How can I find ,Which InputField was recently updated?

I have 4 InputFields.I want to find which InputField was recently Updated out of all ...
4
votes
2answers
158 views

Cusom PopupMenu file selector

Lately I come across what I think not uninteresting problem which is a good exercise for the usage of Dynamic. Assume you have files in a directory structure (a ...
0
votes
1answer
225 views

How to display data in a Dynamic Pane?

How to display data in a Dynamic Pane without exponents? Some data: data = Range[1, 1000]; Slider data has to be added to data: ...
3
votes
2answers
150 views

Interactively Manipulate Code

Bear with me, I'm a noob; I simply want to create a radio button bar that selects whether I want to add or subtract two numbers: ...
2
votes
3answers
291 views

Dynamically filling matrix with a[[n,m]] = 1/a[[m,n]]

I'm building a square matrix, with 1s on the diagonal and elements in U the inverse of elements in L, which are random integers drawn from the sequence 1, ..., 9. Given the nature of the problem I ...
4
votes
1answer
152 views

How can I monitor and detect when a website has changed?

I'd like to detect when a website has changed, in particular when new products are announced on a site that doesn't change to often. Here's the code I wrote but I don't think it is perfect. Also the ...
1
vote
1answer
58 views

Is SynchronousUpdating->False supposed to make this simple Dynamic example work?

x = 0; Dynamic[{x, Button["+1", Pause[6]; x++]}, SynchronousUpdating -> False] The documentation states that Dynamic and Manipulate will abort synchronous ...
2
votes
2answers
329 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 ...
4
votes
1answer
155 views

Automatically tracing and keeping ViewPoints in a list while manually rotating 3D graphics

I will need to make a video from the manual rotation of a 3D graphics. In order to do this, I will need to record the set of all view points that I made during rotation. There is method that we can ...
4
votes
1answer
135 views

Using the mouse coordinates to index a matrix

I would like to "write" on to a matrix using the mouse. That is, I would like to use the integer value of Locator coordinates (p) to index a matrix. Then, if the mouse button is down, write a 1 in ...
6
votes
2answers
137 views

Making ColorSetter work like a PasteButton

I might be missing something obvious here. I am building a palette for constructing code to make certain graphics. The idea is that my colleagues can click buttons instead of having to know the right ...
-3
votes
1answer
170 views

How can you show data in a CDF Animate Graphic?

I want to show (dynamically) the curvature and torsion in a CDF to understand the quantitative measure of any points. Do you know what I have to do to show data in a ...
3
votes
0answers
66 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
1answer
168 views

Combining two notebooks

I have a notebook which contain all the variables and defined functions. I want to do two tasks. As an example, I want to find the density and energy which have equations in terms of above mentioned ...
5
votes
2answers
286 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 ...
4
votes
2answers
281 views

How can I change a Slider's appearance?

I am using Mathematica 9.0 and Windows 7. I want to create a Slider that looks like the following: I tried the following: ...
7
votes
3answers
470 views

How to use custom Dynamic inside Manipulate

I was wondering if it is possible to use a custom Dynamic[var, function] inside a Manipulate. The reason for the need is this: ...
17
votes
3answers
460 views

Using Refresh[..] with TrackedSymbols

This is a very basic question, but I don't understand the following behavior. The usage to Refresh reads represents an object whose value in a Dynamic should be ...
3
votes
1answer
149 views

Alternative updating of a dynamic expression

I am looking for a solution to selectively update a dynamic expression expr which is dependent on multiple control variables ...
13
votes
1answer
359 views

How do I stop my joystick from rotating a 3D graphic?

I am trying to use Mathematica to illustrate mixed strategies in Game Theory. I want my students to be able to use common joysticks as controllers. What I find, however, is that in addition to doing ...
11
votes
1answer
202 views

Time range selector à la InteractiveTradingChart

I have time series data and I would like to interactively select a part of it. This problem is beautifully solved in the lower part of the InteractiveTradingChart command: I would like to be able ...
3
votes
2answers
255 views

In a Manipulate[], control timing of Autorun

I've made a gauge like instrument that will get used to prompt someone to maintain rhythmic breathing patterns during heart/brain coherence training. ...
4
votes
1answer
284 views

How to force Pane to always scroll to end of content? [duplicate]

Mathematica seems to know about the actual end of content position in a Pane if given large enough (but not too large$^1$) initial position value. Here, the ...
0
votes
2answers
179 views

Why does ; suppress Dynamic output? [duplicate]

Dynamic[x=7]; does not make x dynamic! But Dynamic[x=7;] makes ...
11
votes
2answers
415 views

Soft-Match String Comparison

I have a list of names in which I would like to check for duplicates. However, within the list, the duplicates may not show up as exact duplicates of each other - for instance, ...
13
votes
4answers
497 views

Is it possible to select outliers on a graph and determine the index of the outliers?

I have a large data set of experimental data for which I have determined a theoretical fit. However, for some of the experimental data I took, there was systematic error, leading to the data deviating ...
0
votes
1answer
134 views

TabView resets to default when selecting data using Control object

I have 3 drop down boxes on one of the tabs in my TabView. Two of the drop down boxes results are used in a Select statement to ...
10
votes
7answers
647 views

How to dynamically toggle curves on/off in a crowded Plot?

When multiple curves appear in a single plot, it is useful to interactively turn certain curves on or off to visually compare smaller numbers of curves. It is trivial to put a quick dynamic together, ...
5
votes
2answers
191 views

How to make DynamicModule work without an extra ENTER

I've been trying to learn more about DynamicModule (I do not use them, as I used Manipulate all the time). After some time ...
3
votes
2answers
249 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) ...
0
votes
0answers
48 views

how to interactively select points inside certain region in a plot [duplicate]

Very often I encounter a situation that I want to select some points inside certain areas of a plot. For example, ...
3
votes
1answer
331 views

System Dialog Input with Button

I am trying to create a button that uses SystemDialogInput["FileOpen"] to browse for a file and assigns the file name to a variable. For example: ...
19
votes
2answers
562 views

Dynamically splitting Disks with Mouseover

I've recently stumbled across this site: Koalas to the Max, and the first thought that came to my mind was "I want to recreate this with Mathematica". As a first step I tried to create a ...
10
votes
2answers
492 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. ...
117
votes
1answer
22k views

Mathematica Minecraft

Some time ago I asked myself: with all these great graphics and interactive capabilities of Mathematica, what kinds of 3D games can be implemented in it? And the answer which came to mind is ...
1
vote
1answer
241 views

EventHandler {“MouseDown”, 1} with PassEventsDown -> True not working as expected

I want my EventHandler to respond only to left mouse clicks and pass the right mouse click to the built in event handler. I have tried ...
0
votes
1answer
168 views

Cell output controlled by CellFrameLabel Checkbox?

The following generates a Cell that returns the state of the checkbox when evaluated: ...
0
votes
1answer
133 views

Can't see dynamic updating when my function is evaluated inside Dynamic [duplicate]

I defined a function, solve, with a free variable n, which changes while solve is running. Therefore, evaluating ...
2
votes
1answer
270 views

Resetting an animation with a custom button

I have the following code, which accepts a function via an InputField, and then gradually draws that function in a Plot using ...
19
votes
4answers
402 views

How to Initiate a queued evaluation from a Dynamic GUI without using a Button

I have a Dynamic-based GUI, and one part of it will kick off a calculation that could take longer than the default 5-second dynamic timeout. I know that ...
4
votes
2answers
606 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 ...
33
votes
2answers
979 views

Documentation searches hang frequently: Anyone else dealing with this?

I've been struggling with a number of hangs, dynamic timeouts, and outright crashes when using the search/documentation center in version 9. I've tried uninstalling/reinstalling and clearing ...
0
votes
1answer
396 views

Calculating orbital period for the logistical map [closed]

I have the following MatLab code ...
5
votes
1answer
285 views

Function that evaluates in notebook does not evaluate in CDF

I am trying to access the values of a dynamic value outside function package. Within the function package, the function is defined under the Dynamic module option. There is an error with this. I ...