# Tagged Questions

56 views

### I see error messages when I use LogLinear Plot but not when I use Plot

I have written an application with Manipulate that plots the results of several calculations. What I find strange is that when I have my application use ...
134 views

### 3D isosurface plotting

I have a matrix of data of the form of 3 vectors R, Z, M1, M2, M3 ..., cylindric coordinates representing a measurement M of an axisymmetric hypersonic flow at the position R, Z (I don't measure along ...
155 views

### Plot 3D boolean Array or matrix in Mathematica

I have been attempting several methods to plot a 3D diagram of a n by n boolean array in Mathematica but none of them produced satisfactory result. I want the $3D$ plot to have a cube when ...
90 views

### Extracting Imported Information

What I want to do is to compare the relationship between the consumption of say beer and wine using scatter plots where each point designates the particular country (preferably named). I have tried to ...
72 views

### I need to draw a direction field and x1 vs t graph for the ode

I have written the following codes and i am able to get to the trajectory but not able to draw the direction field and x1 or x2 vs time plots. ...
188 views

### Plotting a matrix in 3D With specific ticks [duplicate]

I have matrix and I want to plot it in 3D ...
173 views

### Using two color functions in a MatrixPlot

I'm trying to use two color functions within one MatrixPlot in Mathematica. Is it possible to do this? For example, using a very simple matrix: ...
118 views

### How can I threshold for a minimum value with MatrixPlot?

Looking at the Options for MatrixPlot, there doesn't seem to be a mechanism for lowerbound threshold - i.e. ignoring values that ...
167 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 ...
3k 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: ...
151 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: ...
200 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 ...
972 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 ...
360 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: ...
467 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 ...
242 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 ...