# Tagged Questions

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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### Mathematica hang on a Manipulate expression

Manipulate[Plot[Erfc[x/(2 Sqrt[t])], {x, -5, 5}], {t, 0.1, 5}] With a fresh kernel, after evaluating this, Mathematica will hang immediately if I try to drag the ...
60 views

### Bad behavior of Manipulate with a Greek variable inside

I'm getting bad behavior from Manipulate in Mathematica 10.4.1. A very basic demonstration: ...
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### CDF Player and CloudObjectPrivate Problem

I'm trying to generate a simple Manipulate[] example showing Taylor expansion. However, the following code shows ...
230 views

### What's wrong with naming a rule?

Please have a look at the code below. The second Manipulate uses the name rl of the replacement rule given in the first line, ...
58 views

### Manipulate a plot with display of a condition

This is a how to question --- the example is without importance. I want to manipulate the plot of say a x^2 + b y^2 for (a,b) belonging to a specific set, but a + b > 0. Is it possible to make ...
45 views

### Periodic boundary condition trick

I'm plotting a curve on a compact space which is having periodic boundaries on the left and right parts. Currently, the code I'm using is working great, but I'm wondering if there's a simpler and ...
76 views

### How to set global style of controls in Manipulate?

I created a Manipulate code which is using several sliders, with the same font output (style, size, font familly, ...). How can I save some space by defining a global style for all the slider ...
79 views

### Correcting problems with the controls in a Manipulate

I am developing a toy application to teach me how to generate a more complex CDF app. The current toy app is taking integral. ...
115 views

### Building a interactive application that accepts lists of arbitrary length as inputs

I have the following function (Class Shape Transformation): cst[wl, wu, dz] where wl and ...
114 views

### Strong glitch with Evaluate in Manipulate

I'm experiencing a strong evaluation problem for a Manipulate box and I can't find the best solution yet. Here's a MWE to show the glitch : ...
4k views

### Make a beautiful Moiré effect

How do I make the following Moiré pattern? I tried: ...
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### Manipulate with dynamic input

I really new to Mathematica and I am working on developing interactive CDF. To understand the basics I start with a simple example but even with that I have a problem. In this simple CDF I want to ...
48 views

### Context-aware Locator

I'm trying to use a Locator for some image processing tasks. Unfortunately, the images we're using have a high dynamic range of low-frequency black and white ...
46 views

### Optimization for iterating and plotting a matrix product and its elements?

I have an iterative matrix product of this type Since i didnt knew how to do it, I explicitly wrote the product as {Ayn + Bxn, Cyn + Dxn} and evaluated it with the NestList construct ...
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### How to use locator continuously with grid of graphics

I am trying to find out, how to properly use a locator continuously within manipulate and a grid of graphics. I have the following example out of this code ...
42 views

### Mathematica hangs on manipulation

Mathematica hangs on this code and after abort returns strange evaluation ...
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### Calling functions defined inside Manipulate in other notebook?

I'm creating a notebook with a Manipulate and I'm trying to call/use a function from another notebook (I use Get for that), in ...
565 views

### Particles bouncing in a 3D box

I made this Manipulate code which shows a pack of particles randomly moving inside a box. It has a huge performance issue. What should be the best way in doing "...
151 views

### How to plot coupled Differential equations with changing parameters?

I'm a new user of mathematica. What I'm trying to do is following: I have two coupled non-linear differential equations. Say $x'(t)$ = $A− (B +1)x + x^2 y$ $y'(t) = Bx − x^2 y$ What I want is to ...
146 views

### Multiple Plots inside a Manipulate with different dynamic variables on their x-axes

I have an expression with lots of variables, and I would like to make several plots of the expression, where the axis in each is a different variable. The idea is to put them side by side inside a <...
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### Manipulate Listplot of table [closed]

There is a simple code but it doesn't work Manipulate[ ListPlot[ {Table[ {Sin[Pi/4 Cos[t]], -Cos[Pi/4 Cos[t]]}, {t, 1, n, 0.1}]}], {n, 1, 20}]
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### Manipulate, graphing a set of functions with comet effect, with fixed axes and history

I want to solve a basic differential equation with a parameter and have the resulting solutions show as a set of functions in a merged plot. I want to be able to do two things: 1- Be able to compare ...
37 views

### Taking user input from a button in Manipulate? [duplicate]

The following code is intended to display one image from a list of images, and Export the selected image to a file when the "Save" button is activated: ...
142 views

### How to do a parametric histogram?

Is it possible to draw a spectral histogram from two random sets ? More specifically, I have these two random functions (fmin, ...
578 views

### Manipulate 2D random walk

Consider the first $10000$ digits of $\sqrt{2}$ and present them as a “random walk” by converting them in base 4 representing 4 directions. Following code produces this random walk ...
57 views

### How to mimic CheckboxBar's Method->“Active” option in a Manipulate's checkbox control?

CheckboxBar has a Method -> "Active" option that allows you to click the label to change the state of a checkbox. I would ...
37 views

### Manipulate different function and variable

I have list of functions such that test = {test1[a,x], test2[a,x], test3[a,x]}; I would like to plot this three function using manipulation ...
97 views

### How to change random values in manipulate?

I made a Manipulate box that is working very well, using lots of random numbers. I would like to add a button to "reset" (i.e. to change, randomize, or reselect) all the random parameters. Here's ...
127 views

### Show the locus of the vertex of parabola

For the parabola y = a x^2+ b x + c I want to see the locus of the vertex as b varies (with a...
79 views

### How to define a stochastic electromagnetic field? [closed]

I would like to show the effect of a stochastic electromagnetic field on a relativistic charged particle, using a manipulate box. The field should be randomly varying in time and in space, and be ...
107 views

### Want Manipulate to be low resolution enough to render fast but no so low resolution that it is useless

When using Manipulate to graph a simple surface (sum of 2 sine waves) with Plot3D, setting PerformanceGoal->"Quality" makes it take about 1/3 second to render, while "Speed" sets it at such a low ...
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I have: ...
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### Problem with combining Manipulate and ParametricPlot3D

I've beein trying to solve this problem but somehow I just can't combine Manipulate and ParametricPlot3D. ...
85 views

### How to plot a two-dimensional position vector as function of time?

I got to a point where I have $x$ and $y$ coordinates of a position vector written as a function of time. x[t_]:=t^2-67; y[t_]:= Sin[t] t^4 + 5 t^2; Now my idea ...
82 views

### Conditional function plot in Manipulate

I'm looking into the stability of solution of a set of chemical rate equations. There is a set of rate constants {$k_i$} I which to manipulate, and I want to find the stable solutions where \$\frac{\...
270 views

### How to define variable “Rainbow” curve colors?

Firstly, I'm not asking about blending a color gradient on a curve. I would like to make the curve color uniform on all its lenght instead, but the color should change dynamically while we slide a ...
206 views

### How to apply a color gradient to a Rectangle primitive? [duplicate]

How can we apply a color gradient (say "Rainbow") to a Rectangle primitive ? Of course, I searched the documentation : http://reference.wolfram.com/language/ref/Rectangle.html, and also the site : ...
19 views

### How to remove extra space around polar plot in manipulate? [duplicate]

In Manipulate, PolarPlot adds lots of useless space around the exterior circular grid. Is there a way to remove that space, so the whole circular plot could take more space ? Here's a MWE showing ...
88 views

### Fitting EV charging curve

I would like to fit my set of data (x = time and y = power) as seen below, and obtain function of x describing it as close as possible, in order to manipulate it (applying different SOC, time offsets ...
77 views

### Making a Manipulate showing a the motion of a particle [closed]

Solving a differential equation I got to the following result -(((R[n*Pi - t/w] Cos[t/w])/(n*Pi)) Then, using this solution, I create . ...
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### How to Use Mouse Events & EventHandler in Demonstrations

One of the primary criteria for an acceptable Demonstration is, of course, that multiple copies of the Manipulate Output Cells [MOCs] have to have independent controls and datasets: the operation of ...
82 views

### How to remove all buttons in Manipulate, except the input fields?

By default, when you click the small "+" symbol, at the right of a slider (in Manipulate and Animate), you get an input field and several buttons (play, pause, etc). How do you remove all buttons for ...
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### Different responses of Manipulate

Consider this code f[x_, y_, t_] := t Sin[2 Pi x] + 2 t Sin[2 Pi y] Manipulate[ Plot3D[f[x, y, t], {x, 0, 1}, {y, 0, 1}, PlotRange -> {-5, 5}], {t, 1, 2}] ...
101 views

### How to prevent extrapolation in Manipulate? [duplicate]

How can I limit the time slider to the NDSolve solution range in a Manipulate box, so no extrapolation is used ? More specifically, here's a stripped down version of my Manipulate code which shows ...
102 views

### How to combine Plot, Manipulate and ContourPlot [closed]

I want to combine "Plot, Manipulate and ContourPlot", into one graphics display. I tried <...
64 views

### How to display All Graph In one Graph

here is my code. for alpha and beta the value is always the same.i just change the value of rho.is it possible all these set value of rho is displayed in one graph? the purpose of this is i want to ...
67 views

### How do you manipulate a line that starts at a fixed point and moves with another line?

I'm trying to create a simulation of a person(line) walking along a wall(plane) with a lamppost behind the person(fixed point) that casts a shadow along the wall while the person is moving. I'm having ...