Linked Questions

2
votes
2answers
141 views

Dynamic updating of Slot number [duplicate]

I want to change the slot number inside Manipulate[]. Here is a minimal example which does not work: ...
13
votes
3answers
519 views

Unexpected behavior of Unevaluated

This question of mine got a bit ruined by the fact that I got a bit confused. I hope this separate question will take away this confusion. My confusion was that I found it strange that we have, for <...
11
votes
4answers
537 views

Using predefined expressions as free variables in a pure function [duplicate]

I want to have a function value of an expression where some variables are solutions to some set of equations, with some values of parameters. I had an idea to use pure functions for that. However, ...
10
votes
2answers
1k views

Why do I have to put Evaluate[] here

I wanted to draw some contours. I succeeded with this: ...
7
votes
5answers
416 views

How to display operations on list elements

When applying some arithmetic operation on two lists, I'd like to display the actual operations between the elements of each list. For example, {1, 1} + {1, -1} ...
6
votes
3answers
178 views

Explicit use of Evaluate not behaving the way I expect it to

I discovered a strange behavior of the Evaluate function. Case 1: ...
5
votes
2answers
214 views
4
votes
1answer
202 views

Plotting function with unique symbols [closed]

I would like to plot a function which involves multiple symbols created using Unique. Consider the following simple example. ...
4
votes
1answer
74 views

Should “counters” used in Do, Table, … within Module be declared as local?

I have little to no understanding of how Mathematica handles scoping, so the question may seem a little bit funny. What is the preferred way: ...
1
vote
1answer
86 views

A With and ContourPlot difficulty

Consider: sys = {u (1 - u + a v), r v (1 - v + b u)}; With[{a = 2, b = 3, r = 1}, Evaluate[Thread[sys == {0, 0}]]] Which gives the output: ...
0
votes
1answer
43 views
1
vote
0answers
37 views

Parametric plot refuses to assign unique plot styles [duplicate]

I want to plot the motion on n bodies. To do this I have set up three variables that return a list of variables to be evaluated by an ...