# All Questions

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### How to plot heatmap function over the unit circle

I have a function $Z(r, \theta)$ that I would like to plot over the unit disk. I could of course plot it as $Z(\sqrt{x^2+y^2}, \arctan(y/x))$, but the best I can do with this is a square plot. I would ...
61 views

### how to import a matlab 3 dimensional array into mathematica

I have created a three dimensional array "data" in matlab by using the following commands : ...
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57 views

### ReplacePart with processed value [on hold]

To illustrate, suppose I want to change the {2,2} element of a matrix. If I know the replacement value, I can just make the replacement. ...
65 views

### Align ColorBar (axislabel) to be parallel to the y-axis for any view-angle

The following code produces the 3D plot below (which is almost what I want). ...
46 views

### Question on TimeSeriesForecast

Now I have a tsm, say tsm=TimeSeriesModelFit[data] Now, while using TimeSeriesForecast to ...
27 views

### Specify only one jump direction of LocatorPane

Considering LocatorPane: LocatorPane[pts,back,{{xmin,ymin},{xmax,ymax},{dx,dy}}] Is there any way to specify only the jumps ...
48 views

### Multiple impacts (Bouncing of an object)

I could animate a 3 pendulum impacting a wall at x=0. I have use Event Locator[] Method for this and used Elastic Impact with the wall. I have pasted the pendulum Mathematica file for reference. Is ...
41 views

### Extracting a random sample from a list [on hold]

This is sample data data = {{1, 1, 1, 1, 1, 1}, {2, 2, 2, 2, 2, 2}, {3, 3, 3, 3, 3, 3}, {5, 5, 5, 5, 5, 5}, {6, 6, 6, 6, 6, 6}} My actual data contains ...
73 views

### Is it possible to colour only one column of a matrix? [on hold]

I was wondering if it's possible to colour a column or a row in a matrix. For example is it possible to add colour for one of the rows/columns of the following matrixform code? ...