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

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2
votes
1answer
283 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
246 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
856 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
1answer
166 views

Delay of events detection dependent of “MouseDown” position

Let's say we have a Rectangle with color which depends of CurrentValue["MouseOver"]: ...
2
votes
1answer
299 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 ...
1
vote
1answer
111 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
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. ...
1
vote
1answer
285 views

Manipulate with variable number of sliders plus variable number of functions

I'm trying to setup a Manipulate where I have a variable number of sliders similar to this one, where every slider controls a function. In my case, there will be an additional slider which sets the ...
1
vote
2answers
116 views

Using Refresh to skip expensive computations

I have several variables in my DynamicModule and some parts of my computation depend only on subset of them. I am trying to use Refresh to "cache" values but can't ...
1
vote
0answers
64 views

Abridging Lists of Equations within NDSolve, Manipulate [duplicate]

I have a pretty little NDSolve function that I've finally decked out with manipulatable (by sliders) coefficients, which changes the graph in real time. However, I ...
11
votes
1answer
287 views

Possible bug with second argument of Dynamic

Bug fixed in V 10. According to the documentation, Dynamic Details & Options section, especially: For interactive mouse operations ...
8
votes
4answers
252 views

Data Entry via 2D Graphic (formerly: Using a Slider2D to add data points to a list)

This bit of code sets up a list with the first entry already in it -- {{1,1}}: ...
8
votes
2answers
853 views

Switching off Dynamic updating on a cell by cell basis

Is there a simple way to switch off Dynamic evaluation for a particular cell? I usually delete the cell if it disturbs other evaluations or affects the performance ...
6
votes
1answer
54 views

ControlActive doesn't distinguish the active element in list-based controls

There are three controls in the following code: the first one is a "stand-alone" one and the other two are based on the list angle. When one of the "angles" becomes ...
6
votes
2answers
105 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 ...
6
votes
2answers
176 views

Injecting list of controls into manipulate

I am trying to program a method to manually move around graph vertices, and then output the new coordinates. I'd like to turn this into a function that can be called with a variable number of ...
6
votes
1answer
174 views

How can I make sure all InputFields have values before processing a nb form?

This is a two part problem: I have a form that accepts both numeric and text inputs, then runs a function using a "process" Button. The issue I'm having is users that forget to fill out all of the ...
5
votes
1answer
229 views

Dynamic panel crashes Mathematica 10.0.0.0

This answer by @paw have revealed a bug that causes Mathematica v 10.0.0.0 to crash the GUI and kernel. So far the offending code is this: ...
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 ...
4
votes
1answer
57 views

Blocking dialog with a blocking child dialog

Suppose I have a DialogInput, in which there is a Button. The Button can trigger another ...
4
votes
1answer
75 views
4
votes
1answer
126 views
4
votes
2answers
190 views

Fill curve betwen specified abscissa points [duplicate]

I am plotting the Maxwell-Boltzman distribution of molecular speeds. I want to be able to select a region to integrate using a manipulate function. Then I want to have that same region filled in on ...
4
votes
3answers
226 views

How can I create a custom control which evaluates to a list of values or replacements?

I have a set of variables which are used in various places in my calculations (solving a system, initial conditions, etc.). In order to make this easier to deal with, I want to make a control-like ...
3
votes
2answers
102 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 ...
3
votes
2answers
117 views

Toggle plot visibility of dynamic number of data sets

I have multiple curves in my plot, and want to be able to toggle their visibility off/on. Which I got to work thanks to a different post. ...
3
votes
1answer
158 views

How to delete graphics

The code below does not execute as I had intended it to do. Clearly, I do not understand where to go from here. The first click of the mouse sets the initial conditions (t0,x0) for the unique ...
3
votes
1answer
376 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
2answers
240 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 ...
3
votes
2answers
174 views

Using list elements in TrackedSymbols for Dynamic

During the execution of the following code a column of three lists and two sliders are displaying in output. The first list updates if either a or b changes. The second list updates only if the value ...
3
votes
1answer
130 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 ...
3
votes
1answer
523 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: ...
3
votes
2answers
376 views

Dynamic matrix multiplication

I have the following problem: I want to multiply two matrices and sum them to another matrix C. A.B+ 2B Easy! The matrix A varies as a function of three inputs a,b and c. The second matrix, B, is a ...
3
votes
1answer
215 views

Having Dynamic evaluated when off screen

As the title says, I want a cell containing the dynamic solution of a DAE-System to be available over the whole document. I use a lot of different Plots and Sliders scattered over the document and it ...
2
votes
2answers
80 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
1answer
79 views

ListPlot dynamical problems [closed]

I have Manipulate, where there are FileNameSetter(to load file with data points) ...
2
votes
1answer
177 views

How do I dynamically construct a string from a variable number of 'PopupMenu's in 'Manipulate'?

I have a string with a variable length, determined by the value of a SetterBar and whose characters are determined by a corresponding number of ...
2
votes
1answer
385 views

Dynamic graph construction and visualization (Watts' “Small Worlds” α-model)

I need some help in creating a Mathematica program for building and visualizing Watts' "Small Worlds" α-model. This is a variant of the more known (and much more simple) β-model (also known as ...
2
votes
1answer
132 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
1answer
53 views

Is the use of Block to temporarily override definitions inherently unsafe? [duplicate]

This may have been discussed before, if so, please let me know. Consider the following example: x = 5 Dynamic[{Clock[], x}] This will always display the ...
2
votes
1answer
374 views

Trouble using If[] within TabView Manipulate control

If I place an If in the "body" of a Manipulate as in: ...
2
votes
1answer
114 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
1answer
172 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
3answers
341 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 ...
1
vote
2answers
58 views

Error Resulting from Placing a Dynamic Variable inside of Table

I want to create a list of values, True or False, and to update those values with a ...
1
vote
2answers
99 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. ...
1
vote
1answer
129 views

Nothing happens when I click the mouse clicked on my graphics

I wrote codes to record list of coordinates when mouse clicked. It is expected that the coordinates should be plotted dynamically. But actually nothing happened. Can anybody help me to find the ...
1
vote
1answer
317 views

Help in Bifurcation Diagram

My dears, I need to plot a bifurcation diagram for the following non-linear systems represented by the next Mathematica code ...
1
vote
1answer
72 views

Why does my Dynamic NonliearModelFit keep running?

I have complex data and which I am fitting to a complex formula. In order to use NonlinearModelFit I split the formula and the data into real and imaginary parts. ...
1
vote
1answer
206 views

Checkbox Matrix

Is it possible to create a dynamically changing binary $n \times n$ matrix $A$, which appears to the user as a $n \times n$ matrix/table of checkboxes and the user can change the entries of $A$ by ...