Tagged Questions
0
votes
3answers
79 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
...
3
votes
1answer
105 views
Manipulate a Plot that contains a variable that contains symbol
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
96 views
Why won't ContourPlot accept a variable argument? [duplicate]
I have a list of linear inequalities which describe a (polygonal) region. I can use RegionPlot to visualize this region; but I'd also like to overlay this plot with ...
3
votes
0answers
190 views
A is fast, B is fast, but together they're Mathematica-crashing slow?
I'm trying to do something with finding solutions to a quantum mechanics problem with n wells. If there are 40 wells, I need to find the solution to an equation in the form:
...
5
votes
2answers
188 views
Problem with ParametricPlot of multiple Curves
I have written a function f[Ne,t,T], that gives back a list of results when evaluated with numeric values of the variables Ne, ...
0
votes
0answers
46 views
How to ContourPlot a Table? [duplicate]
Possible Duplicate:
Why is ContourPlot not displaying this curve?
Why do I have to put Evaluate[] here
I'm trying to plot certain contours of a function $f:\mathbb R^2\to\mathbb R$.
What I ...
6
votes
1answer
124 views
PlotStyle does not work when plotting a non-evaluated list of functions
When a list of functions is passed to Plot in an unevaluated form (e.g. with Through), the result is a plot with single color.
...
5
votes
4answers
204 views
Prevent Part[] from trying to extract parts of symbolic expressions
If you have a list, e.g.
{1, 2, 3}
then you can extract the $k$th part using Part (...
11
votes
3answers
290 views
Labeling plots without evaluation
This is my first question here so please excuse my mistakes.
Let us consider a rather contrived example:
...
12
votes
1answer
226 views
Using Evaluate and Evaluated -> True in Plot
A few use cases:
(1) This, as expected, returns (almost) immediately:
f[x_?NumericQ] := Evaluate[(Pause[1]; x)]
Plot[f[x], {x, 0, 1}]
(2) This takes ...
2
votes
2answers
630 views
Animation of Differential Equations from NDSolve with ParametricPlot3D and Evaluate
I have a system of differential equations (referred to as "s") and use NDSolve to obtain the solution. I substitute the interpolated functions for the original ...
4
votes
3answers
326 views
All curves in plot have the same style. Cannot be fixed with Evaluate[]
Usually, when I plot multiple curves in Mathematica
Plot[{x,x^2,x^3},{x,0,1}]
they are given different colors. However, if I try to construct a list inside the ...
8
votes
2answers
186 views
3
votes
4answers
1k views
Mapping multiple parameters of a function to specific values
I am a little bit confused by the documentation for Apply (@@).
I want to define a list of parameters, for instance:
...
6
votes
1answer
156 views
Changing the plot variable inside Plot [duplicate]
Possible Duplicate:
Difference in Plot when using Evaluate vs when not using Evaluate
Assume one has vector of functions (e.g., vec={x,x^2}).
The ...
22
votes
3answers
726 views
Difference in Plot when using Evaluate vs when not using Evaluate
This example comes from
the Mathematica documentation for Plot
under Basic Examples.
Can someone please explain why these are each plotted as a different color in ...
