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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2
votes
1answer
170 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
69 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
490 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
75 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 ...
5
votes
1answer
435 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
177 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
175 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
94 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
142 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
73 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 ...
20
votes
2answers
383 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
247 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
353 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
833 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 ...
11
votes
2answers
594 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
75 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
141 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
355 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
461 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
258 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
275 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
118 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
109 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
530 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}. ...
0
votes
1answer
112 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
111 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
358 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
173 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
215 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
223 views

Manipulate changing controls

Is it possible to use Manipulate and Switch to change the Manipulate controls? ...
4
votes
4answers
212 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
705 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
181 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
191 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
401 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
431 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
357 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 ...
4
votes
3answers
130 views

Style changes between controls and graphics

In the following Manipulate, the style (font?) of the a changes between when it is a control label and when it is a label in the graphics. Is there a way to make ...
1
vote
0answers
127 views

CDF with numerous independent manipulate objects

I have been working on my senior project that involves the creation of a CDF with multiple Manipulateexpressions. I need to protect my code so I have been trying to ...
5
votes
2answers
299 views

Building conditional lists with Manipulate

I'm trying to select elements of a list that satisfy some criteria using Manipulate[]. Given 2 lists: ...
1
vote
2answers
148 views

Lists not being recognized correctly within manipulate

I've created a keyboard-free panning system within Mathematica. The code does the job, but I continually get errors in relation to it, and I cannot seem to get it to perform within a CDF because of ...
1
vote
1answer
160 views

Behaviour of Locator

I seek advice regarding the constrained behaviour of the Locator: appears confined to square {0,0}->{1,1}. When I change starting position it snaps to this constrained region. The code I am referring ...
4
votes
1answer
212 views

Manipulate a Plot that contains a variable that contains symbol [duplicate]

This snippet mm = m Manipulate[{mm, Plot[mm x, {x, 0, 1}]}, {m, 0, 1}] (m is not defined anywhere) produces a sadly fixed ...
4
votes
1answer
202 views

Change CurrentValue of a key press

I was wondering if there is a way that I could change the value of a key press such as Shift, Ctrl, etc. Normally, when nothing is pressed, the CurrentValue will ...
4
votes
1answer
376 views
1
vote
1answer
153 views

Manipulate doesn't work for plotting a region where a matrix is positive semi-definite

I'm facing the following problem and would very much like you help. Thanks is advance! I have defined the following 4x4 matrix: \begin{equation} S=\left( \begin{array}{cccc} ...