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

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2
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1answer
151 views

Dynamic process on graph

I have a question, which I failed to find an answer to myself. I'm a casual user of Mathematica, but do have some knowledge about Dynamic module and other "Advanced" features. My problem is ...
2
votes
2answers
105 views

How to make functions from datasets

I have a csv that encodes the results of plugging certain parameters (say, A and B) into certain functions (say, ...
2
votes
1answer
46 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
64 views

Dynamic with RegionNearest keeps one CPU core at 100% - Is this a bug?

Normally, when you use Dynamic with a CPU-intensive expression, the expression only gets evaluated when a symbol in the expression changes. This doesn't seem to ...
2
votes
1answer
89 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 ...
2
votes
1answer
81 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: ...
2
votes
1answer
191 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
178 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 ...
2
votes
1answer
143 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
86 views

Strange response with dynamic texture and MousePosition

I built a cubic, then use MousePosition together with GUIScreenShot to take a floating region with fixed size (200*200) on the ...
2
votes
1answer
260 views

Defining a function that handles Dynamic arguments similar to Built-ins

Firstly please note that I'm using simply Dynamic behavior to illustrate my question, I'm not asking how to move a Disk or make ...
2
votes
1answer
188 views

Multi-Selection dynamic menus

I'm looking to create dynamic menus with multiple options, and would allow multiple selections. For example, mousing over an object (let's say a black circle of rad 1), a menu would popup at ...
2
votes
0answers
53 views

Draw segment in arrayplot and get intensity value and coordinates in segment

I want to segment an arrayplot donut in to 6 pizza slices and export per segment the coordinates and intensity values of the pixels inside of it. I found a good example, which used RegionMember to ...
2
votes
1answer
261 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
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0answers
144 views

Export Notebook causes an INTERNAL SELF-TEST ERROR: Files2|c|1713 message

On my machine (Windows 8.1) and M10 the following two lines, that must be run on an already saved notebook, ...
2
votes
0answers
42 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
0answers
82 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 ...
1
vote
2answers
161 views

Is it possible to monitor the sum of squared errors in a NonlinearModelFit or FindFit procedure during the process?

Since fitting procedures using NonlinearModelFit (or `FindFit) sometimes take very long, I would like to monitor the sum of squared errors during the process ...
1
vote
2answers
414 views

Making a plotted curve interactive

Is it possible to make a plotted curve interactive in the sense that when hovering over it a line is drawn from the "hovered" point to one (or both) of the axes. I did do my homework, I just can't ...
1
vote
1answer
159 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
2answers
138 views

How to edit InputField while using EventHandler?

I try to edit InputField while using EventHandler's MouseClicked, but the ...
1
vote
2answers
262 views

Import image using InputField and Button

I've got a pretty basic problem, which is probably easily solved, but for all my efforts I haven't found a solution yet: I want to make an Image importer of the following form: An ...
1
vote
2answers
117 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 ...
1
vote
2answers
256 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: ...
1
vote
2answers
277 views

TabView: Reset some dynamic variable on tab selection

Given a TabView panel like this one TabView[{ DynamicModule[{x = False}, {Checkbox[Dynamic[x]], Dynamic[x]}], "foo"}] I ...
1
vote
1answer
78 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
134 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 ...
1
vote
1answer
74 views

Generation of Sliders via Tables/For loops

I have a list named data that contains lists of arbitrary size, data={{0.5, 0.5}, {}, {0.5, 0.5, 0.5}, {}, {}, {}, {}, {}, {}, {}} I now want to generate for ...
1
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2answers
88 views

Manipulate which creates and deletes Manipulators dynamically

I want to plot a function in a Manipulate in which the number of terms varies and a Manipulator for the coefficient of each term ...
1
vote
2answers
142 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 ...
1
vote
1answer
369 views

How to change the values dynamically in a grid

I am trying to write a function which creates a Grid which has no value in the starting and when some value is passed to it, it should show that value in that ...
1
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1answer
39 views

How do you hide/show a dynamic element in a list?

Here is the simplified version of the problem: THIS: {1,2,##&[],4,5} RETURNS: {1,2,4,5} ...
1
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1answer
43 views

How to prevent automatic simplification in InputField?

Here is a basic example: {InputField[Dynamic[x]], Dynamic[x]} This code generates an input box with and dynamic display. What is disturbing me is that when ...
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1answer
44 views

Use StepMonitor and Dynamic to plot progress of FindMinimum

The obvious way of plotting the progress of FindMinimum fails with an error about things not being localizable: ...
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1answer
55 views

Making a movie from an interpolating function

Say I use some Mathematica procedures to find an interpolating function of two variables: $u(x,t)$. Is it possible to make a movie of this interpolating function, i.e. plot it on a certain line $x \in ...
1
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1answer
87 views

“Independent” Variables in Manipulate

I am trying to plot the solutions to the Kepler problem. I am using Manipulate. It plots the orbits, the equipotential lines and the position of the planet. When I move the time variable, only the ...
1
vote
2answers
228 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: ...
1
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2answers
133 views

Rate of change of dynamic variable

I have made a program that goes like this, the goal is to estimate the remaining time of a function (it is running a bunch of solveChase[] functions with different parameters which can be seen in the ...
1
vote
1answer
104 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 ...
1
vote
1answer
172 views

Create Slider to start/stop/move Point

I want to be able to start, stop, and move the dynamically moving point simultaneously in both animations. The "PlayPauseButton" in the animations only controls the given animation. Indeed, I want ...
1
vote
2answers
98 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
1answer
322 views

Initialization Cells in CDF

I am wanting to run about 15 pages of initialization cells in a CDF, but can't seem to do so. I have set the InitializationCellEvaluation to True and InitializationCellWarning to False, but it doesn't ...
1
vote
2answers
200 views

How to compare the InputField values in For loop dynamically

I am using a For loop for printing five InputFields. The loop gets its values from the variable tx. I want to compare the values ...
1
vote
1answer
53 views

Possible to dynamically redraw single plot of multiple shown together?

I am attempting to create a tool to visualize gradient, eigenvector, and eigenvalue information for a 2D surface. I want to show a contour plot of an inputted function and overlay the gradient and ...
1
vote
1answer
102 views

How to combine manipulate and eventhandler

I combine manipulate and eventhandler, now I can change the controller when working on eventhandler, but how to change the value in eventhandler when I control the manipulate controller? ...
1
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1answer
42 views
1
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1answer
58 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
107 views

Dynamically updating linked Manipulate variables

I am trying to write a simple cylindrical tank design notebook. Once the user inputs the desired capacity in gallons, it will compute the required volume (in cubic feet) and then offer sliders for ...
1
vote
2answers
69 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
92 views

Issue with DateListPlot and Dynamic List

Imagine that we are getting readings from an external device (ie Arduino) at a given interval of time. We'll simulate the reading as follows. ...