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

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2
votes
0answers
57 views

The most simple Manipulate freeze 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 ...
0
votes
1answer
34 views

StringJoin Dynamic problem [duplicate]

My goal is to import a XML file from the site fueleconomy.gov to get a list of cars dependent on the year given as the user input . Here is the code: ...
0
votes
0answers
25 views

How to show different DateListPlots with a popupmenu with different plot parameters

I bumped into the following problem: I have a relatively large dataset (250k row,11col), imported in from an SQL database. The format of the data is {{year,m,d,h,m,s},value}. I have successfully ...
0
votes
0answers
62 views

Loss of chart when exporting data in DynamicModule

In DynamicModule, the result is to show a panel with a flowchart and a piechart. But when I export the dynamic result in a CSV file, the piechart will no longer ...
6
votes
2answers
96 views

Passing an unevaluated part of an association to a function

I'm making a UI widget that controls sound volume on a speaker using a slider, e.g.: ...
5
votes
2answers
66 views

How do I maintain notebook state variables between front end/kernel sessions, if those variables are set programmatically rather than via UI widgets?

I need to give a notebook a few simple state variables (counters) that will be saved with the notebook, persist across kernel restarts, etc. From what I've read, using variables defined within a ...
0
votes
1answer
32 views
10
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1answer
1k views

What does the message 'This file contains potentially unsafe …' mean and how serious is it?

I had some Mathematica files on over which recently I have faced to this message: However, after searching, I have seen some blogs in Mathematica SE or in somewhere else about that, but I could not ...
1
vote
0answers
26 views

DynamicModule - Bookmarks / Autorun menu?

Using DynamicModule in my code, I observed that there is no Bookmarks / Autorun menu (the small "+" in the upper right corner...). Is it possible to add it somehow and to make Bookmarks available only ...
3
votes
2answers
66 views

How to use locally scoped dynamic variables in Manipulate for expression and control parameters

I have a Manipulate that has dynamic variables that I want to use in the displayed expression and use in the parameters for the manipulate controls. I only ...
5
votes
2answers
79 views

How to make a notebook take action whenever a particular symbol is defined or redefined?

For teaching purposes, I want to create a Mathematica notebook that will "notice" when the user defines or redefines a variable or function of a particular name, so that it can check the value and ...
3
votes
1answer
56 views

Assign values to parameters from a list/Matrix using GUI

Assume there is a list like: ma={{L1,r1},{L2,r2}}; I want to convert the ma to a GUI which asks me about the values of ...
13
votes
1answer
133 views

How to retrieve current FaceForm?

The current colour in a Graphics object can be retrieved using CurrentValue["Color"] for use in Dynamic stuff. Example: ...
3
votes
2answers
56 views

Can I disable specific items in a PopuMenu control?

I have a PopupMenu in a Manipulate with items in it that are inapplicable in some cases, and rather than removing them, I would ...
6
votes
1answer
88 views

How can I include functions from a package into a CDF file?

I am building an application which I would like to deploy as a CDF file, and I am struggling to make the CDF exports work correctly with functions pulled from a .m package file. What are good/best ...
1
vote
1answer
34 views

CellEventActions not working within DynamicModule

So here is some code that successfully displays a slider, the value of a dynamic variable, and cycles through a list of 10 images titled 'imgs' with keyboard commands. ...
1
vote
0answers
36 views

Ubuntu: Dynamics are not working after suspending system

I'm working on Ubuntu 14.04 LTS 64-bit and I'm running Mathematica 10.1. Usually, I don't turn my computer completely off but I'm using the Suspend function which is AFAIK a suspend to RAM. After ...
5
votes
2answers
75 views

Locator-based abscissa ranges widget

I'm trying to implement a widget that will enable users to graphically determine certain abscissa ranges in a 2D plot. I've started by coding a prototype, whose output looks like this: The idea ...
6
votes
1answer
89 views

Dynamic does not update when wrapped in DynamicModule

I'm trying to wrap some dynamic code into DynamicModule to localize all the variables, yet when I do that, the variables stop updating. That does not happen if I ...
1
vote
0answers
15 views

Value jump in Manipulate when opening input field [duplicate]

In working with some Manipulate functions, I have noticed an oddity when opening the "Show Animation Controls" icon. Here's a simple example that plots a sine wave, ...
8
votes
2answers
317 views

AJAX-style HTTP calls triggered by a variable change

I'm trying to create a dynamic InputField that would autocomplete the address as I type it into the field, by calling Google Maps' GeoCoding API on every change of ...
0
votes
1answer
51 views

Stopping sliders in Manipulate going to dynamic unfeasible regions

I am trying to use Manipulate to create a function which allows a user to play with a probability density. The following generates a static density over the range 2000 - 4000, then allows the user to ...
1
vote
1answer
86 views

ListPlot with checkboxes [duplicate]

I have imported data for several projects {prj1, prj2, ...} from an excel file, in form of {x,y} coordinates of points. I stored these data in variables and I would like to plot them, also having the ...
1
vote
0answers
70 views

Software Testing (Dynamic, Manipulate, DynamicModule) Interfaces

The main Testing Framework (in both the frontend and Wolfram Workbench) supports unit testing for command-line invocations. Is there a natural way of co-opting this, or perhaps there already exist ...
1
vote
0answers
76 views

Demonstration of an arbitrarily oriented and translated ellipsoid

(Edited and modified) After the advice I received I modify the post. I have created the following code for depicting an arbitrarily rotated and translated ellipsoid, along its ellipsoidal axes and ...
1
vote
0answers
49 views

Learning mathematica, ListPlot [closed]

I am trying to teach my self Mathematica. I am working with the following example: ...
0
votes
1answer
42 views
0
votes
1answer
61 views

repeat calculate [closed]

I want to calculate the below program x[t+1].But I can only calculate t=0,1. please tell me how to calculate t = 0 to 10. ...
4
votes
1answer
58 views

How to feed parameters obtained from direct 3D manipulation back into Manipulate's controls?

Here's a simple example of using Manipulate to interactively change the viewer's point-of-view for a 3D graphics object: ...
3
votes
1answer
88 views

Is it possible to update Dynamic objects even when they are off screen?

I am using Dynamic and DynamicModule to display graphics/statistics generated from a long-running set of parallel tasks. The ...
4
votes
0answers
41 views

Why is setting SynchronousUpdating -> True causes mouse motion to pause/freeze Dynamics?

When making a Manipulate, I noticed that setting SynchronousUpdating -> True have a very annoying side effect. By just moving the mouse anywhere on the same cell ...
1
vote
1answer
34 views

How can I decouple the updating of a `LocatorPane`'s background from changes in its point variables?

I am building a Dynamic application and I'm having some trouble understanding exactly how Refresh should be implemented. The ...
0
votes
1answer
54 views

Want to display a animation necklace when updating a list of suggestions from an inputfield search

I have an InputField search that provides search suggestions, but I want an animation necklace to be displayed while the search is 'busy'. I would also like this to be done using Dynamic rather than ...
1
vote
1answer
53 views

How to disable dynamic update in DynamicModule when certain variable is updated [closed]

I have a UI with DynamicModules. I have a progress bar, whenever the varibale progress updates, the ...
0
votes
1answer
34 views

About Manipulate : How to make this work properly?

Manipulate[ Plot[PDF[NormalDistribution[mu, sigma], x], {x, -4*sigma, 4*sigma}], {mu, -10, 10}, {sigma, 0, 10} ] I got the following error:
0
votes
0answers
41 views

Dynamic locator missing when image change

I plan to get corner coordinate of desired image dynamically through LocatorPane[Dynamic[pt],back]. However, I notice that locator on right hand side was ...
4
votes
0answers
73 views

How to avoid the pink background in GUIs without using Quiet

GUIs may generate warnings while internal evaluations are processed. In this example I intentionally introduce a line that will generate a warning. Warnings are useful, so I don't want to quiet them ...
1
vote
0answers
55 views

How can I perfect this game for Wolfram Demonstration publication? [closed]

When the messages change the window inactivates, and when I try to host an interactive CDF on my site it turns red and says something about numbers having to be scaled or offset. Any help? I'm ...
4
votes
1answer
72 views
0
votes
1answer
29 views

Behavior of custom file chooser code changes when placed inside DynamicModule

My primary objective is to build a file chooser that aides a user in selecting files into one of two categories. Files can be individually selected, or based on the clicking of a specific checkbox, ...
1
vote
1answer
47 views

How can I get a manipulated parameter to show up with text next to it?

I'm trying to make a dynamic demonstration involving the $\epsilon-\delta$ proof of the limit, $$\lim_{x\to c}(2x-1)=2c-1$$ with the following code. d and ...
5
votes
4answers
233 views

Dynamic list in which the sum of the elements is invariant under changes to the elements

2nd Update Here's a snapshot of a graphical user interface I'm thinking. I hope this could be self-explanatory and demonstrate the functionalities I mentioned in the 1st update. Thank you all! ...
5
votes
1answer
80 views

Dynamics and Block interfere

As mentioned by Albert Retey in a comment, we can unintentionally interfere with our dynamics as follows ...
3
votes
1answer
156 views

Initializing Manipulator value within DialogInput (version 10.1 only)

Bug introduced in 10.1.0 and fixed in 10.2.0 I've confirmed, with WRI, that an issue was introduced in version 10.1 with regard to initializing Manipulator Dynamic ...
1
vote
2answers
120 views

Slow program- Mathematica shuts down

I've been trying to draw dynamic pictures of level sets of certain polynomials. The code right now looks like that : ...
0
votes
1answer
60 views

Basic (?) dynamic module questions (If clause and refresh problems)

I'm building a dynamic module, but I'm stuck with a few things i don't know how to deal with. In particular I'm stuck with the "If" sentence and the refresh inside the dynamic module. Here's a ...
2
votes
2answers
69 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: ...
3
votes
2answers
83 views

Is it possible to return a list of variable values set by Manipulate?

Is it possible to write a function that returns a set of values that are set by Manipulate? For example, a function that returns a dataset of variables modified by ...
1
vote
2answers
62 views

How to show system busy during Dynamic with SynchronousUpdating -> False?

For long running evaluations in Dynamic it is recommended that SynchronousUpdating -> False be used to prevent time-out. ...
5
votes
0answers
104 views

Trouble understanding TrackedSymbols

While developing a relatively complex demonstration for Manipulate I encountered the problem that my output was unintentionally self-updating in an endless loop. ...