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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12
votes
3answers
211 views

Selective evaluation of blocks of code in a Manipulate

Is it possible to attach certain pieces of code to certain controls in a Manipulate? For example, consider the following Manipulate ...
3
votes
4answers
284 views

Change all Options of Plot Dynamically

I am trying to make a series of changes in the appearance of the Plot of some function. I am trying to use Manipulate for my experiments. I tried to change the following code ...
1
vote
1answer
187 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 ...
3
votes
3answers
289 views

Animation is jerky, but slider is not

When I do the following simple animation (from the book Mathematica Navigator, p. 316) the slider control changes the image smoothly, but when I play the animation it is jerky. Is there anything that ...
4
votes
3answers
282 views

Draw plot with locator & slider

I would like to create a plot whereby both the slider and the locator 'draw' the plot. In the following code, the locator & the slider act independently: ...
1
vote
1answer
125 views

Control multiple locators along a plot

Update 1 @ Michael E2, my effort - for what it is worth!: ...
1
vote
1answer
115 views

Two-way locator & slider controls

I was wondering whether it was possible to have a two way control system, whereby one could click and drag both the locator (which would in turn move the sliders), AND click & drag the sliders ...
0
votes
1answer
122 views

Merging two line graphs into manipulate command

Ultimately the goal is to make a manipulate command and turn a line into a circle. So I am supposed to take a line that is segmented into 12 equal lengths. ...
0
votes
3answers
93 views

Manipulate syntax

I am trying to manipulate a plot of the Bernoulli roots as follows: The following code clearly is not going to work, but I have included it in an effort to illustrate my meaning. ...
2
votes
1answer
151 views

Manipulate Locator warping (snap to cursor)

I'm looking to have a Manipulator Locator that moves in discrete steps and requies the user to click on/near the locator position.. consider these two examples: ...
1
vote
1answer
68 views

What's wrong with the following Plot in Manipulate?

I try to show the convolution of a step function and a triangle function is smooth with the following code: ...
1
vote
1answer
457 views

Can Table be used inside Manipulate?

EDIT: CHanged the code. Please try again t see if it works well on our PCs. I am creating a simple Manipulate[] notebook. However when I place Table[] in the code, like: ...
0
votes
1answer
69 views

Manipulate that remembers its own input code and can show it by request

This question is a further question to my previous one. The solution for that question works well as long as the original input Manipulate code is still provided in ...
4
votes
1answer
341 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
139 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 ...
0
votes
3answers
134 views

How to create a discrete 2d slider using existing 2d data?

data = Sort[RandomReal[{0, 1}, {100, 2}]]; Manipulate[pt, {pt, data}, ControlType -> Slider2D] I get a error message: Manipulate::vstype: ControlType -> ...
0
votes
1answer
93 views

Can a large Grid of 3DListPlots be rotated by a single Dynamic control?

So I have a few hundred plots in a grid, that I thought would be nice to adjust the data view with a Dynamic slider. I'm using Jens solution for the Grid plotting here . Manipulating multiple plots ...
0
votes
2answers
127 views

Manipulate and function definition

I have read the documentation, and know the way Initialization works with Manipulate, but I can't seem to understand why this piece of code ...
0
votes
1answer
70 views

Manipulate and global assignments [duplicate]

I've a (perhaps too) basic questions that has been bugging me for a while. Manipulate seems to ignore global assignments. For instance the following does not result in the obvious output one would ...
19
votes
2answers
331 views

The dangers of SaveDefinitions — should this really happen?

I have been bitten hard by SaveDefinitions -> True. I'll describe in detail what happened below. My questions are: Is this a bug? What is the most convenient ...
2
votes
1answer
198 views

Manipulate executes expressions multiple times

I am using Manipulate for a rather intricate front end for data visualization. I was getting very sluggish performance and was able to boil the problem down to a ...
0
votes
1answer
215 views

Can I combine a manipulate plot and a plot of data from a file?

I am fitting a theoretical equation for a complicated curve to some experimentally measured data. As you might be aware, algorithmically quantifying 'goodness of fit' for a complicated curve is ...
4
votes
3answers
1k views

Manipulate using a variable defined outside of the manipulate function [duplicate]

I want to do something like this: expr := x^e; Manipulate[Plot[expr, {x, 0, 4}], {e, 1, 3}] But the plot shows up empty. Yes, it works if I do: ...
6
votes
2answers
2k views

Export animation of a Manipulate autorun sequence?

I've got a Manipulate that does a vector field plot. Basically a function that returns a list of Graphics objects and a couple of sliders: ...
10
votes
2answers
565 views

Simple problem with Manipulate and Plot

Would anyone have an idea why the following doesn't work: rule = {z -> x^2 + 2 x + y}; Manipulate[ Plot[z /. rule, {x, 0, 10}], {{y, 2, "y"}, 1, 5} ] But ...
13
votes
5answers
720 views

How are parameters evaluated for a Plot in Manipulate

I am trying to get my head around how Manipulate evaluates functions in a Plot. I have read the introduction to Manipulate, and introduction to Dynamic, but I still ...
11
votes
2answers
457 views

“Reset” Button for Manipulate

I want to distribute a .cdf to my students wherein they manipulate 5 locators on a graph to define various shapes. The .cdf opens with the locators in a "nice" position, but of course it is very hard ...
2
votes
1answer
72 views

Incorrect information displayed when slider is moved (intermittent)

All, the following code graphs 10 different solutions for a first order ODE and allows the user to modify certain equation parameters to see how the graph is affected: ...
0
votes
1answer
129 views

How do I scale three independent variables in a Manipulate?

cross-posted on the Wolfram Community forum I'm trying to ilustrate the difficulties in assigning bins to a data set and then running a comparison of the bins against a binomial distribution for all ...
3
votes
2answers
222 views

How can I track the execution time of an evaluating Manipulate cell?

In Wolfram's tutorial on Advanced Manipulate Functionality, a nice example of a continually evaluating Manipulate cell is presented: ...
0
votes
0answers
330 views

Using Solve Within Manipulate to Model Feedback Control System Problem

This post is extremely long and I do apologize - but please bear with me with all the explanation of the context of the question - due to how long the code is I have included a hyperlink where you can ...
0
votes
2answers
176 views

How Do I Upgrade a Show to a Manipulate?

I'm trying to ilustrate the difficulties in assigning bins to a data set and then running a comparison of the bins against a binomial distribution for all values- n, p. The code I have so far is ...
4
votes
4answers
256 views

Elegant Matrix Combinations

Suppose you have a matrix (mxn), simplified for illustration m= {{a, b, c}, {d, e, f}} And a set of combinations (simplified for illustration purposes but can ...
2
votes
1answer
104 views

How can I make check boxes that put elements into a list?

Right now I have a blank list that I am putting in Manipulate[]. I want to be able to choose whether 1,2, or 3 are in this list by setting z1,z2, z3 as True or False: ...
-1
votes
2answers
97 views

Manipulate store values

Is there a way to store the numerical values from a manipulate function in the form of a table? For example, if the function is f[x_] := x^2 - 2x Can one store ...
3
votes
2answers
399 views

Ploting a 3D vector field using Manipulate, VectorPlot3D and NDSolve

My aim is to plot a vector field of the following system with a few trajectories: $$r'(t)=i-l.r(t)-\text{ux}. r(t). x(t)-\text{uy}. r(t). y(t) \\ x'(t)=\text{ex}. \text{ux}. r(t). x(t)-\text{mx}. ...
6
votes
3answers
355 views

Locators in Manipulate not moving properly

I thought a simple Mathematica kerning machine (for adjusting the space between characters) would be interesting, but I'm having trouble with the locators. (There are a number of other questions ...
0
votes
1answer
111 views

Counting Stochastic Processes and displaying relative value

Counting Stochastic Processes and displaying relative value I have two watermarks and multiple stochastic processes given. I want both to display and count the stochastic processes which are below ...
0
votes
1answer
109 views

Displaying Values of Fuction at end of Period by Grid

My intention is to place the values of two function into a small box within my chart. To be more precise I have two vectors. A meanvector which shows the average value of all simulated stochastic ...
0
votes
1answer
268 views

Plotting the simulation of Brownian Motions with multiple thresholds

I have the following problem: I have a watermark in this model where not only the mean of all stochastic processes is calculated, but also the mean of those processes which remain beyond a given ...
0
votes
1answer
137 views

Stopping- threshold and stopping- time of stochastic processes.

Rod Lm helped me to generate the following code, which I want to extend a little bit. So my intention is to use the threshold (the green line) as boundary in the following way: as soon as the process ...
0
votes
1answer
200 views

Brownian Motion with stopping threshold

I just want to generate one stochastic process, whereas I want to be able to manipulate the start value and the volatility. Furthermore, the process should stop when it reaches 5 However, as soon as ...
4
votes
2answers
205 views

Manipulate changing controls

Is it possible to use Manipulate and Switch to change the Manipulate controls? ...
4
votes
4answers
172 views

Change the colour of a ListPlot element in each iteration of Manipulate

I would like to modify the colour of dots in a ListPlot[Table[function]], e.g ...
1
vote
1answer
552 views

Manipulate showing the trajectory of a particle along a parametric curve

I have a particle which follows a certain trajectory given by rx and ry ...
3
votes
2answers
159 views

Dropping value of one variable when another changes

Context: There is a list of lists list where lists are different length. Using one control I change a part of list to view, and with another one — what certain ...
5
votes
1answer
161 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 ...
5
votes
3answers
324 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"}}]] ...
4
votes
3answers
383 views

Slow image manipulation

This is some extremely simple code that shows an image and manipulates a circle (that will be used to select a region of the image to analyze). All those Dynamics ...
5
votes
1answer
287 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 ...