Questions on the Manipulate function of Mathematica, a function that allows the interactive manipulation of certain parameters in a Mathematica expression.

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6
votes
1answer
457 views

Why does Manipulate execute the expression twice?

When I execute Foobar[] in the code below and move a slider, the variable grad is printed twice. Why is this? How can I make the ...
6
votes
1answer
339 views

Interpreting text entry and splitting it in a Manipulate text field?

I have the following program that plots the number of trigram appearances across a corpus of textual information between 1964 and 1989 (apologies for the messy code): ...
6
votes
2answers
184 views

There is an issue with Manipulate in which it updates its argument twice in V10

I have asked this question before (here) and I thought that the issue is only when moving the Notebook window. It appears that Manipulate is working in weird manner. ...
6
votes
2answers
138 views

Choppy curves with Manipulate [duplicate]

While manipulating the slider in Manipulate[], I experience choppy curves. These do however render correctly after letting go of the slider. The same phenomenon occurs when pressing the + or - button ...
6
votes
2answers
114 views

Showing “updating…” message while Manipulate is re-evaluating

Is it possible to show a fixed text such as "updating..." instead of the last result shown, when Manipulate is re-evaluating an expression (in a slow evaluation ...
6
votes
1answer
410 views

Using more than one set of Locators in a Manipulate

I need to add locators dynamically to different sets. With one set this works OK: ...
6
votes
2answers
419 views

How to connect a checkbox with part of the graphics?

I'd like to have a checkbox in a Manipulate expression, governing whether part of the graphics is displayed or not. For instance, assume that I have a surface with ...
6
votes
1answer
404 views

Pink Manipulates in stand-alone cdfs

Here is a simple example: Manipulate[Plot[Sin[2 Pi f t], {t, 0, 10}], {f, 0, 5}] This makes a plot with a sine wave of varying frequency determined by ...
6
votes
1answer
222 views

Switch inside Manipulate controls statement

I am using this code inside Manipulate: ...
6
votes
1answer
398 views

Automatically expanding sliders in Manipulate

Is there some way to have all sliders expanded by default in a Manipulator object, i.e. as if I had clicked all "+" signs?
6
votes
1answer
261 views

Compiling a function that takes lots of optional arguments

I have a function that takes lots of optional arguments (basically some design parameters, about 10 of them) and performs some basic algebraic calculations involving complex numbers with the options. ...
6
votes
2answers
127 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
435 views

How do I constrain the region where I can drag a Locator?

How do I constrain the region where I can drag a Locator to conform to rules, including rules that apply to computations resulting from the value of the ...
6
votes
1answer
103 views

Solving a PDE with a spatially piecewise-constant material parameter

I would like to solve equation for the 2D distribution of an electrical potential in the conductive medium: $$\nabla\cdot(\sigma\nabla f) = 0$$ where $f=f(x,y)$ is the electric potential (in 2D) and ...
6
votes
1answer
531 views

Enabled option for slider in Manipulate not updating dynamically

In a Manipulate expression I have a slider control which has the Enabled option ...
6
votes
1answer
299 views

Using Manipulate to dynamically correct the baseline of a signal

i have data with a baseline and will correct it with a polynomial fit using Manipulate to see immediatly the changes in the resulting spectrum. It works so far, but ...
6
votes
2answers
186 views

Control which variables get embedded inside Manipulate

While trying to analyse several different datasets I got what I thought was a good idea: define a "function" that returns a Manipulate object. But this has some ...
6
votes
1answer
154 views

Manipulate code crashes V10.1

This code is working with Mathematica 9, but Mathematica 10.1 is becomes unresponsive when I try to evaluate it. ...
6
votes
1answer
152 views

How can I restore context menu functionality to a Manipulate that contains Locators?

Before adding a Locator to a Manipulate, I can easily print or export the result using a context menu: But after adding a ...
6
votes
0answers
164 views

Manipulating the pitch of a sound

After reading Manipulating a continuous stream of sounds I have to ask about controlling the frequency of a Sin sound in a continuous manner, with a ...
5
votes
5answers
787 views

Subdividing a polygon , equivalent fractions

I see that I was a real "doofus" here and my original question was flawed. You can't divide a polygon like you can a circle or a rectangle, except in special cases... I should have seen that right ...
5
votes
4answers
575 views

Shading in squares crossed by a diagonal

You have a rectangle and it is diagonal. How many squares will be crossed by the diagonal (I guess assuming the side length of the rectangle are nice whole numbers) I've seen an implementation in ...
5
votes
3answers
431 views

Unexpected Setter Bar Behavior when Manipulate Nested in Dynamic Module

Consider this code: DynamicModule[{x, y}, x[t_] := t^2 + 5; y[t_] := t^3 + 5; Manipulate[Plot[fcn[t], {t, -5, 5}], {fcn, {x -> "Square", y -> "Cubic"}}]] ...
5
votes
2answers
270 views

What is the font of these control labels?

What is the font of these control labels? I've gone through every font Mathematica offers (through the format GUI) and don't see a match. Haven't had any luck with default format files either. I'm ...
5
votes
4answers
376 views

Manipulate with explicit updates

I want to use Manipulate (I am open to other alternatives) to apply one of two different functions f or ...
5
votes
4answers
595 views

Display position information out of ListPlots inside a Manipulate

I often have the situation where I'll use Manipulate[] to compare and examine 2 or more lists. A simplified example follows: ...
5
votes
2answers
189 views

Manipulate showing the trajectory of a particle

I'm trying to plot the trajectory of a particle: ...
5
votes
2answers
265 views

Is it possible to manipulate FindFit

I was wondering if it is possible to manipulate a FindFit[] function. As a basic example, if I had an equation $ax^2+bx+c$ and a set of data, would it be possible ...
5
votes
2answers
688 views

Label names within Manipulate with ControlType->RadioButton

I modified an example from the documentation to have a RadioButton control over a specific list of values: ...
5
votes
1answer
190 views

How to add several Locators to a Graphic with a mouse click?

Background: Suppose I have something like this: ...
5
votes
2answers
106 views

Can the increment in Manipulate, Table, Range, etc. be subject to an If statement?

In this demonstration I'm working on, I would like to plot a piecewise function with the tangent line to the function at a point that is determined by c in the code ...
5
votes
1answer
453 views

How to define a button inside Manipulate that tells Mathematica to re-evaluate the whole Manipulate code?

I have written a Manipulate code carrying out some very complicated tasks. There is no problem for the first run, but if I click the reset button to reset all ...
5
votes
2answers
181 views

Using absolute locator coordinates in Manipulate

In this simplified code below, I'd like to display two plots within Manipulate, and use the Locator controltype to set the value ...
5
votes
3answers
319 views

Switching among view points in a Manipulate expression

Edit: Some additional viewpoints were included to make it easier to test. Here's code for an alternative function, the graph of which is a bit less symmetric. Feel free to use either code set: ...
5
votes
1answer
382 views

“Show” with Manipulate runs fine normally, but gives errors as a CDF

I've simplified my code to what can reproduce my error. Basically, I have two lines: ...
5
votes
1answer
864 views

How to use button to evaluate a cell

I would like to create a button that when I click it it evaluates a cell containing a manipulate code. Also, I would like another button that when I click the output of manipulate disappears. How can ...
5
votes
2answers
149 views

How can I save a Manipulate's control settings to a dataset?

This is probably an extremely simple question. I have a manipulate that sets variables used to define an offset, amplitude, frequency and phase of a trigonometric function. ...
5
votes
1answer
260 views

Place title outside of GraphicsGrid in Manipulate

I want to be able to place a text title centered just inside the bounding box generated by Manipulate yet above the GraphicsGrid and run boxes you see when ...
5
votes
1answer
216 views

How to stop Manipulate changing view point

When using the following manipulate I can rotate the plot and manipulate the value without my view point changing; ...
5
votes
2answers
181 views

How to present a Graphic and a Table in close proximity to each other

Often, with a Plot or within Manipulate I want to display a graph and, in close proximity to it, a table showing the results of ...
5
votes
2answers
349 views

Manipulate Evaluation Order Problem

I seem to be getting some unintended results from a nested Manipulate that I have not been able to resolve. I boiled down the problem I'm having to a simplified ...
5
votes
2answers
147 views

Manipulate: Play the animation only once and stop

I do small animations with Manipulate, but sometimes I don't like that it runs over and over again from start. I would like to have the possibility to stop the ...
5
votes
1answer
256 views

Integration of Two Manipulatable Cylinders

Introduction I created the following code to simulate the many possible interactions between a cylindrical protein crystal and a x-ray beam during serial femtosecond crystallography. ...
5
votes
1answer
377 views

Altering layout and sizing of Manipulate controls?

I'm currently working on a display project using Manipulate and was wondering if there is a straightforward way to alter the placement of the control options that I ...
5
votes
1answer
234 views

Control variable and body variable decoupling in Manipulate

This issue was raised as an offside problem in this thread. Consider the following example, that does not work as expected: ...
5
votes
1answer
230 views

Create a CDF file with a plot that cannot be edited by double-clicking

I have created a CDF file that contains a Manipulate object with a plot. I intend to embed the file in a web site, so that users can use interactive sliders to ...
5
votes
2answers
89 views

Using gamepad without dynamic

I am a novice using Mathematica. I program regularly using c like languages though. Now i work on a simulation of a vehicle. I have a loop that calculates the next state of the physical model every dt ...
5
votes
1answer
129 views

Drawing disk with coordinates from NDSolve

I have simple Manipulation expression, but continuously getting error Coordinate {x[0.], y[0.]} should be a pair of numbers, or a Scaled or Offset form. I assume that something is wrong with ...
5
votes
1answer
194 views

Manipulate keeps updating due to a function

Edit: This is apparently only a problem on a mac running OSX. I am trying to use the 'stretchText' function by Jens. But when I use it in manipulate, the output keeps updating without changing ...