Tagged Questions
2
votes
1answer
79 views
How do I plot Numerical Range of two hermitian matrices
Let $A_1$ and $A_2$ be two $3\times 3$ hermitian matrices. Then their numerical range is defined as two-dimensional set
\begin{align}
\mathbb{S}=\{\left[u^HA_1u,u^HA_2u\right]\in ...
-4
votes
2answers
75 views
Ploting from Matrix [closed]
I use Import function from excel in order to get my data. My data contains 3 columns.
...
4
votes
2answers
526 views
How to use a 3×3 covariance matrix to plot an error ellipsoid?
I have a 3×3 error covariance in Mathematica, but I don't know how to use it for plotting the error ellipsoid. It would be great if you can show me how I can do that for the below covariance matrix:
...
0
votes
1answer
109 views
Discrete 3D plots of median ratios of two 2D matrices of lists of values
Lets say I have 2 2D arrays where each cell contains a list of values:
Example:
...
2
votes
2answers
135 views
How can I shift the frame ticks to the corner of each element-cell in a Matrixplot?
I am using the following code,to create a Legend for my plot. I would like to shift (or re-position) the frameticks to the corner of each of the cell-elements instead of being in their middle. I ...
4
votes
1answer
295 views
Problem with plotting eigenvalues
I want to plot the eigenvalues of a matrix which is dependant on a parameter (well, actually I want to plot a tight-binding electronic band structure). The dimension of the hamitonian matrix is ...
0
votes
2answers
217 views
Matrix Plot – Little Exercise
Hi there, mathematicians.
I'm not very good at coding plots in Mathematica, so I was hoping that one of you could help me solve a problem I'm having.
I have the following matrix plot:
...
3
votes
2answers
267 views
Loop and do operations on Matrix, then graph the results
I'm trying to do some operations to a matrix in a loop, and then I want to graph the results.
The results are pair of numbers.
Can I store the results of each iteration on "something" and the use ...
4
votes
2answers
160 views
Transform x-scale of data for e.g. MatrixPlot
I have to transform in a nonlinear way the x-scale of some data for a MatrixPlot (or ReliefImage or ...
5
votes
1answer
514 views
Is it possible to substitute tick labels with alternative text? [duplicate]
Possible Duplicate:
Labelling ArrayPlot Charts
I am making a MatrixPlot. For example, consider the following:
...
16
votes
3answers
297 views
How to improve this code for exploring large matrices?
What I'm actually trying to do is to elaborate this question. I'd like to use Pane with scrollbars enabled to explore large (sparse) matrices like this one:
Here ...
