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

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0answers
171 views

Multi-Camera streaming using Mathematica [closed]

I am attempting to capture dynamic streams from multiple usb webcams using only mathematica. Using ImageCapture["Device" -> $ImagingDevices[[x]], I've tried to ...
5
votes
2answers
144 views

Checkbox behaving weird when variables are local

I have a DynamicModule in which I need a checkbox with a Max in the dynamic part: ...
5
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0answers
237 views

Resources for Sound Synthesis & Design

Are there any resources for sound synthesis using Mathematica? This page, Mathematica: Audio Synthesis Software, refers to other software packages, e.g. Max/MSP and Csound, for real-time synthesis. ...
1
vote
1answer
78 views

Switching the plot variable when plotting a two-variable function as a single variable function with a parameter

I would like to make easy to change the variable for which I am making a set of plots. Say I want to plot Sin, Tan, Cos and other functions of the same argument. To quickly switch from plotting it as ...
5
votes
1answer
210 views

DynamicModule inconsistent behavior; was: DynamicModule persistent UI changes

Update: I'll restate the question in hopefully more terse and clearer terms. To illustrate the issue, run this and save the resulting notebook: ...
1
vote
2answers
323 views

How to run function every x seconds?

I want to make a Graphics with a Disk whose position should update every 4 seconds. This is what I've got so far: ...
2
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3answers
369 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 ...
3
votes
1answer
385 views

How to efficiently drag points on a curve within a Manipulate

My intention is to demonstrate on any conic various metrics properties on points belonging to the conic and connected by lines. I want the points to be dynamically moved not the usual way, ...
3
votes
1answer
153 views

How to simulate the 1-D motion of a particle under constant acceleration? [duplicate]

I am trying to represent the position of an object under freefall, but am completely lost. Here is my attempt so far: ...
2
votes
2answers
154 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 ...
3
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2answers
160 views

A timed switch with Dynamic

I'm trying to make a binary switch that switches after a fixed given interval. Why doesn't the following work: ...
3
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1answer
220 views

Dynamic inside Button

This bit of code runs a little animation of a stochastic process: ...
16
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2answers
437 views

Is there a better way to add elements to a Graphics expression repeatedly?

Consider simple example where a set of points is generated and some are displayed. ...
2
votes
1answer
113 views

Dynamic Syntax - Evaluate AppendTo as the second argument

I am attempting to Append a new value into my list paramMonitor whenever the value for B ...
1
vote
1answer
147 views

Scope of variables within a Manipulate expression [duplicate]

I have a problem in defining the local variables. I have this code: ...
0
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0answers
57 views

Fold Dynamic Function [duplicate]

I'm making on a demo working with differential equations as functions of two variables (x and y). The demo will have to Fold the differential equation with an initial y-value and a series of x-values. ...
1
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2answers
75 views

Unintentional function memoisation via Dynamic

I needed to display edge labels of a graph in a way that allows the edge labels to be moved. ...
2
votes
1answer
141 views

How do I constrain movement for lists of Locators using 2nd argument of Dynamic?

I need to display edge labels of a graph in a way that allows the edge labels to be moved. Locator seems the simplest and most obvious function to use. My ...
2
votes
1answer
264 views

DynamicModule with Plots and EventHandler

I am making a little animation in Mathematica, along the lines of some of the Wolfram demo projects. I'd like to animate a simulated trajectory of a random process (say a Poisson process), and while ...
2
votes
1answer
294 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 ...
3
votes
1answer
177 views

How can I get precise frame rates in dynamic?

I've been the Spritz sdk in my ios apps, and I love it. For funsies I wanted to see how much less code a mathematica version would take! Using dynamic I get a nice result, shown below in code. ...
1
vote
2answers
263 views

Is it possible restore initial values after modify a control in manipulate?

I used to program in Visual Basic, but in Mathematica I have not seen some kind of restore default values after any user modification command in the Manipulate ...
9
votes
1answer
479 views

How to restrict the mouse cursor to stay within a box?

I'm trying to use Mathematica to write small games, and I find that it would help to restrict the player's mouse into the game window (just like other games do). Is there any way to achieve this? ...
2
votes
3answers
224 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 ...
5
votes
1answer
118 views

FlipView can't handle CurrentValue[“MouseOver”]. Kernel crash

Is this code crashing your Mathematica session? (it can so look out :P) ...
5
votes
2answers
209 views

Entering scientific notation in an InputField

I am trying to make an InputField for numeric input, but InputField[Dynamic[num],Number] Does not allow the user to type ...
2
votes
1answer
91 views

Why can I edit only one character of the output of a Dynamic expression?

Try this: DynamicModule[{foo = \[Placeholder]}, foo] Note how we're able to edit the placeholder in the output, e.g. replace it with 42: ...
4
votes
2answers
316 views

DynamicModule/Dynamic CheckboxBar Slow for Large Lists

I am trying to create a dynamic construct that takes a large list of expressions and allows the user to interactively select any number of entries for further manipulation. This is what I have ...
5
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2answers
111 views

How to robustly apply ToBoxes to a Dynamic expression?

Inserting a Dynamic object in a boxform expression messes up syntax colouring. See the following example. where the variable ...
4
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2answers
169 views

DynamicModule updating unexpectedly

I have cut down a DynamicModule that was updating unexpectedly and found the following behaviour I don' t understand. If I do this I get one random value as expected ...
3
votes
1answer
112 views

Alternate controls in manipulate

Is there a way to have two controls that govern a single variable in a Manipulate? Specifically, I am using a Locator to select an {x,y} coordinate, but I would also like the user to be able to ...
9
votes
3answers
298 views

Problem with CurrentValue[“MouseOver”] when graphics are wrapped with Deploy

Bug reproduced in V9.0.1 and persisting through V10.4.1 Please take a look at following toy example: ...
2
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1answer
249 views

Render dynamic Graphics objects static

As was discussed in the comments of another question (MathLink Graphical Output (Plots) to File), Graphcis objects produced by commands such as ...
2
votes
2answers
209 views

Solving a dynamic program via recursion

I'm trying to use recursion to solve a joint inventory/ dynamic pricing problem as in monahan, petruzzi and zhao 2004. I tried to solve for y[t] and ...
4
votes
2answers
173 views

TrackedSymbols affected by CurrentValue. Another problem with SetDelayed(:=)+OwnVales in Initialization

It is MWE, only a Disk[] that should print "Click" when clicked. Also "date... updating" ...
7
votes
1answer
169 views

How to inherit options by scoping?

Consider the following example: you have a function framed producing a cell with a button that, when pushed, calls framed again. ...
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1answer
328 views

GUI and Dynamic update problems

I have made many functions that connect to a MySQL database perform operations then export exel spreadsheet. I also import spreadsheet data into the database. I would like to get many of these ...
5
votes
1answer
118 views

Why does a heavy background slow LocatorPane from updating, even if only the locators are Dynamic?

I'm having some trouble getting a dynamic plot to operate efficiently, and I think I've tracked down at least part of the problem to some pretty weird behaviour on the part of ...
0
votes
1answer
164 views

Why do InputFields not respond in Manipulate utilizing FindGeometricTransform?

In the following code changing the InputField does not result in observing changes in a result from FindGeometricTransform, but ...
0
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1answer
151 views

Setting plot size within vector; dynamic slider (two part question)

I have a question about the size of a plot in mathematica. I'm working on some differential equations (a simplified model of heat transfer in a building). I've programmed it so that you can set ...
2
votes
1answer
88 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 ...
4
votes
1answer
249 views

How can I selectively trigger computations in Manipulate?

I have a Manipulate that uses RandomVariate and Random that I would like to have redraw and ...
2
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0answers
50 views

Differences in SetDelayed (:=) in Module and DynamicModule [duplicate]

I have a question about the differences in SetDelayed assignment functions in a Module and in a ...
2
votes
2answers
157 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 ...
1
vote
1answer
190 views

TabView switches tab number without user input in first evaluation

I've attempted to use TabView in a Manipulate to display sets of controls and alter a "display" associated with each set of ...
3
votes
1answer
185 views

Dynamic generation of Buttons

The Project I am trying to dynamically turn on/off the display of data for a circos-esque plot that I generated. The Code I have data stored in mfData and a ...
2
votes
2answers
105 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
392 views

Trouble using If[] within TabView Manipulate control

If I place an If in the "body" of a Manipulate as in: ...
0
votes
2answers
222 views

trouble with Dynamic range in SetterBar

It appears that I can set the range to a Dynamic variable in a Manipulate control, but not in a ...
2
votes
0answers
84 views

Is there a function similar to SQL's Iserror? [duplicate]

I have an output which I want to hide if there is an error otherwise display it. The output is a Dynamic[output] so I can't simply use something like ...