Tagged Questions
3
votes
1answer
50 views
How to find the best (most informative) plotting limits?
I am developing a 2D plotting program for functions of 1 variable. It is designed to be very simple so that the user should not have to select the initial plot limits (or "range").
Are there known ...
0
votes
1answer
29 views
Multiple ListPolarPlots in 3D? in mathematica
Is it possible to plot multiple ListPolarPlots to give a 3D effect in Mathematica?
I can plot multiple polar plots using ListPolarPlot[{data1, data2, data3}] without any problems; but with lots of ...
1
vote
1answer
135 views
Plotting mathematica data with python
This question is related to my previous question on "publication quality plots in python".
I am trying to write a post processor (a bash script/python combo) that would comb through the thousands ...
1
vote
2answers
232 views
Python Pylab pcolor options for publication quality plots
I am trying to make DFT (discrete fourier transforms) plots using pcolor in python. I have previously been using Mathematica 8.0 to do this but I find that the colorbar in mathematica 8.0 has bad ...
1
vote
0answers
61 views
visualize decision surface of neural network
Where can I find a program that visualizes (ie, plots) the decision boundary surface of a 2-layer feed-forward neural network? With 1 layer the decision surface is just a bunch of straight lines. ...
0
votes
2answers
80 views
Plot different entries of a table with different colors in Mathematica
In Mathematica, I have a table in which each entry of the table is a curve in 3 dimensions. I want to assign different colors to different curves, but I don't know how to do it.
My current command ...
1
vote
1answer
214 views
Vector plot of 2d functions in mathematica
I am trying to plot 1/r (r-hat) using VectorPlot in Mathematica by decomposing r-hat into x-hat and y-hat.
I am using:
[Chi][x_, y_] := Sqrt[x^2 + y^2]
[Phi][x_, y_] := ArcTan[y/x]
and then ...
3
votes
1answer
141 views
Animate the movement of a point along the plot of a specific solution obtained using ParametricPlot3D
We have the system:
x'[t] == x[t] - 5 y[t] + z[t]
y'[t] == 3 x[t] - 3 y[t] - 3 z[t]
z'[t] == -2 x[t] + 10 y[t] + 4 z[t]
and the initial conditions:
x[0] == .01
y[0] == 3
z[0] == 0
I produced ...
0
votes
1answer
207 views
Mathematica parametric equations and list plot
x = e^1/2*Cos((pi/4)t) + Cos(2Pi*t)
y = e^1/3*1/2Sin(pi*t) + sin(2pi * t)
t E [a,b] where 'a' and 'b' are inputted via input. How can I draw where 't' is in the moments t = a, a+1, a+2, ..., b.
3
votes
1answer
174 views
Add gridlines to a output plot in Mathemaitca
I'm trying to add gridlines to a output density plot in Mathematica. The plot is generated by a long calculation in Mathematica and when I do the plot I forget to add the Mesh->True options. I don't ...
2
votes
0answers
128 views
using mathematica for plotting in C#
I want to plot some graphics for my course project via Mathematica.
There is code from the project:
try
{
toCompute = @"Show[RegionPlot[-2 <= x1 && x1 <= 2
...
1
vote
1answer
83 views
Mathematica - Plotting the output of a function created directly from solve
I've got some fairly long matrix algebra that I am trying to plot the outcome of. Nothing seems to show up on the axes, and I can't quite tell where the problem is. I successfully created a function ...
0
votes
2answers
222 views
Mathematica: change all text fonts simultaneosly in Plot or Listplot
I would like to change the font size of all texts in Plot and ListPlot with one command. I remember doing this in the past with a single SetOptions[Plot, ...] call for each (ListPlot and Plot), but ...
-1
votes
1answer
131 views
Mathematica: How to plot several lines of a matrix in the same graph vertically
I created an array named Theta with 100 lines and 400 columns. Each entry is a number. What I want to do is a graph that plots
0.01 vs every number in line 1
0.02 vs every number in line 2
...
1 ...
1
vote
0answers
161 views
Numerical Solving of Differential Equations [closed]
I am trying to solve a differential equation numerically using shooting method but the plot of solution does not look correct! It is not smooth and it has some break points specially in first steps. ...
