Linked Questions

8
votes
3answers
5k 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
474 views

How to show a time-dependent vector (velocity) with Manipulate? [duplicate]

I have this problem: I want to show the velocity vector Arrow[{pos, pos + vel}] with Manipulate ...
0
votes
2answers
3k views

Manipulate and ListPlot [duplicate]

I have a $300$ by $2$ matrix called r which its elements depend on parameter g. I would like to plot this matrix and change the <...
0
votes
1answer
3k views

Manipulate - Plot - Function with Parameters [duplicate]

dear community! How do I make this construction work? ...
2
votes
2answers
1k views

Manipulate Plot Sliders Not Working [duplicate]

I'm trying to use Manipulate on my function so that I can adjust parameters a, r, and ...
3
votes
1answer
645 views

Manipulate gives the output as a blank plot, but I'm not sure why [duplicate]

I'm using Mathematica 9 to try to manipulate a 3D plot. My code is: ...
1
vote
1answer
811 views

Manipulate or animate a Vector Field or VectorPlot [duplicate]

I want to plot a time dependant vector field, and see variation with time, Like this : U = 0.5 + 0.8 x; V = 1.5 + 2.5 Sin[2 Pi t] - 0.8 y; But when I do: <...
4
votes
2answers
136 views

Replacements in Manipulate [duplicate]

I would like to understand why this is not working: replacement = {a[t] -> r}; Manipulate[Plot[a[t] /. replacement, {r, 0, 1}], {t, 1, 2}] But this does: <...
0
votes
3answers
303 views

Evaluation in Manipulate [duplicate]

I have an expression assigned to a variable. For example: exp1 = a*x+b Now I would like to plot it using something like this ...
0
votes
1answer
363 views

Manipulate[Plot[A[X]…, returns no output [duplicate]

Here is my simple code: A[X_] := a*X^2 - b/a^2* X^3; B[X] = A[X]^2; ...
1
vote
1answer
234 views

Manipulate with dependent variables? [duplicate]

Edit Edit: It works! as @Kuba has written in This answer, the culprit seems to have been the LocalizeVariables option. The fixed code is below. Many thanks! ...
3
votes
1answer
70 views

Manipulate function [duplicate]

I'm trying to generate this simple graph using the Manipulate function f[x_] := a x + b x^2; Manipulate[Plot[f[x], {x, 0, 1}], {a, 0, 1}, {b, 0, 1}] However, ...
4
votes
1answer
293 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 ...
0
votes
1answer
205 views

Manipulate the parametric plot of a torus [duplicate]

I have failed to get Manipulate to generate a torus whose scaling functions can be adjusted. I have: ...
1
vote
1answer
277 views

Manipulating the derivative of (-1)^(x/a)+(-1)^(x/(a+5)) with respect to the parameter a [duplicate]

I'd just like to know if it is possible to use Manipulate for to show how the derivative of an expression such as ...
1
vote
3answers
90 views

Variable scoping in Manipulate [duplicate]

Here is my attempt to manipulate the value of q for the PDF function. Whenever I use the manipulate function, nothing happens to the output. Can anyone explain why?
1
vote
1answer
111 views

Simplify graphics [duplicate]

I want to simplify my complicated code write neat and systematic code. I use animate after solving differential equations. It's my Phd code and is very heavy and complicated. I want to simplify my ...
1
vote
1answer
118 views

Problem with Manipulate after declaring pure function with Hold [duplicate]

I'm trying to illustrate the generation of the conic curves with a plane and a cone surface in ContourPlot3D, when I make a static plane there is no problem, and the intersection curve was generated ...
1
vote
1answer
179 views

Manipulate plot using solution from Solve [duplicate]

Hi I'm trying to visualize a 2D equation that I have previously solved as I vary a parameter 'b'. First I solve for 'y' in terms of 'x' and 'b', then I intend to use Manipulate. ...
0
votes
1answer
138 views

Using Manipulate with predefined expressions [duplicate]

EDIT: I believe this is not a duplicate question, because the answers to questions pointed to as similar DO NOT give practical solutions to the problems, at least not for normal Mathematica users like ...
1
vote
1answer
137 views

Apply solution rules to new functions as parameters [duplicate]

Update: I put an screenshot of how my code and problem look like at the end. Say that Mathematica solved a system of equations and got two answers {{a -> 3, b -> c, d -> 0}, {a -> -3, b -> 0, c -> 1/...
2
votes
1answer
103 views

Use Manipulate to visualize how roots of a system of equations changes with parameters - SOLVED [duplicate]

I am editing this question, I hope to be able to respect the rules. My goal is to find the roots of a system of 6 nonlinear equations (they are actually more, this is a simplified version). The roots ...
0
votes
1answer
94 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 ...
0
votes
1answer
72 views

Trying to plot f(x)= xsin(ax) and its derivatives in a single plot but graph shows nothing [duplicate]

The function is f[x] := xsin(ax),the first derivative is f'[x]=axcos(ax) + sin(ax)and third derivative is ...
0
votes
1answer
62 views

Using expressions in Plot with Manipulate [duplicate]

The following works exactly as advertised: Manipulate[ Plot[5 Cos[Pi t] Sin[Pi x], {x, 0, 2}, PlotRange -> {-5, 5}], {t, 0, 4}] However, if I use an ...
0
votes
1answer
76 views
0
votes
1answer
67 views

Trying to graph a function [duplicate]

I'm trying to graph this function, the plot shows up but has no content any help would be appreciated. ...
0
votes
0answers
79 views

Scoping problem with Manipulate [duplicate]

Consider the following simple code: f = Sin[a x]; Manipulate[ Plot[f, {x, 0, 10}], {a, 0, 10}] Manipulate takes f to be ...
1
vote
0answers
66 views

Abridging Lists of Equations within NDSolve, Manipulate [duplicate]

I have a pretty little NDSolve function that I've finally decked out with manipulatable (by sliders) coefficients, which changes the graph in real time. However, I ...
2
votes
0answers
60 views

Mathematica Manipulate, Plot, Piecewise [duplicate]

I have two functions h2 and v2 that I need to graph using Piecewise and be able to ...
0
votes
1answer
37 views

Issues with Manipulate and dynamic variables in plotting [duplicate]

I'm trying to make a manipulate that shows a parametric plot of a cycloid with manipulators that affect the shape of the curve. My problem seems to be my scoping of the variable ...
0
votes
0answers
37 views

Manipulate: does not respond to the function I intend to plot [duplicate]

Please have a look at below. I need to solve two-coupled equations and plot the results h[2] and theta[2]. I am not sure about ...
0
votes
1answer
36 views

Manipulating PlotRange in ParametricPlot [duplicate]

why does the following code not work? ...
1
vote
0answers
35 views

Manipulate versus Dynamic [duplicate]

I want to see a dynamic rendering of this surface as a function of the parameter \[Alpha]: ...
0
votes
0answers
28 views

Manipulate is not working [duplicate]

Manipulate is a fantastic feature of Mathematica. However, I face a weird thing. When I intend to plot height[t], and manipulate ...
0
votes
0answers
27 views

How to animate two value expression in mathematica [duplicate]

I have an expression which is a function of two variables. How to animate this? m = 200; y = Sin[\[Pi]*x]*Exp[I*m*t] Manipulate[Plot[y, {x, 0, 1}], {t, 0, 10}]
0
votes
0answers
19 views

Evaluating equation inside Manipulate [duplicate]

How do I fix the following code: A[z_] = B*z^2; Manipulate[FindMinimum[A[z], {z, 1}], {B, 1, 10}] In particular, what is the best way to force substitution of B ...
1
vote
0answers
17 views

Substitute variable inside manipulate [duplicate]

Consider the following piece of code ...
12
votes
3answers
3k views

Proper way to handle free variables in manipulate/plot?

It took me a while today to figure out that Manipulate (used with Plot) requires that the variable I'm manipulating be an actual ...
6
votes
2answers
2k views

How and when to use Evaluate?

A month ago, I used Mathematica to solve my experiment of the Test Technology of Mechanics Engineering. The exeriment is mainly about the Fourier Transform and verify the validity of the theory of ...
2
votes
3answers
2k views

Manipulate a Show [duplicate]

It takes me a long time to construct the following picture: ...
4
votes
2answers
651 views

Get value of symbol

ab := {{a, 10, 100}, {b, 0, 10}} Manipulate[a*b, Evaluate[Delete[ab, 0]], Button["SHow", Print[Evaluate[Symbol[ToString[ab[[1]][[1]]]]]]; Print[a, "---", b]]] In ...
4
votes
1answer
288 views

How to solve and plot large equation with parameters?

I have a very large expression: ...
4
votes
2answers
249 views

How can I write a Do loop that iterates over N iterators when N is not known a-priori?

For any positive integer $n$ which is not specified a priori, I can make $n$-tuple vector $v$ by v = Array[a, 1, n]. Now, given that $n$ is a positive integer which ...
2
votes
1answer
412 views

How I can make a menu with different graphs with modifiable parameters?

I want a user friendly window in which to have a menu where you can choose the chart you want to display, in which you can move parameters in order to note the width or height of the chart, but I try ...
1
vote
2answers
281 views

Modifying a global variable within a Manipulate expression

I am trying to change a variable using Manipulate, like this: ...
1
vote
2answers
74 views

globals and `Manipulate`

The question is related to a number of questions that have been asked, but no answer is quite what I want, so I will try again. Suppose that I have a model with a lot of state - to give a stupid ...
1
vote
2answers
200 views

How can define a set of nested parameters

I would like to know how I to define a function with a nested set of parameters (or whatever you would like to call it). For example, how would I get the following function ...
3
votes
1answer
106 views
0
votes
1answer
161 views

Manipulate with a vector function

Is there someone who can explain why this manipulate does not work ...

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