Community Profile

# Timothy Russell

7 total contributions since 2012

I am a student studying biology & maths at Bristol unviersity, and am required to learn basic matlab skills for my 3rd year dissertation on territoriality in kangaroo rats!

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Question

Which row of the output of a Nelder-Mead Simplex algorithm is the optimal?
Basically I'm using Nelder-Mead to optimise a function which depends on 5 parameters. I understand (heuristically) how this algo...

3 years ago | 1 Answers | 0

### 1

Question

Computing turning angles from location data
So I have three nx4 arrays where n is one of 1500,2000 and 6000. The 2nd and 3rd columns are the x & y displacement values for a...

4 years ago | 0 Answers | 0

### 0

Question

Calculating displacement many times with respect to different elements
I have the following data (or similar): 154240 1 7 154240 2 2 154240 ...

4 years ago | 1 Answers | 0

### 1

Creating an array within a for loop
Thanks for the help, turns out that this function is exactly what I wanted: http://www.mathworks.co.uk/matlabcentral/fileex...

4 years ago | 0

| accepted

Question

Creating an array within a for loop
I have a plotting function which gets the points to plot from a for loop, i.e. for i=1:length(rat2ind) ind = A(:,1)=...

4 years ago | 2 Answers | 0

### 2

How to plot x-y coordinates which correspond to elements which are repeated at least once
This worked perfectly, but I was wondering, is there an easy way to, instead of plotting the result, saving the result in an (n,...

4 years ago | 0

Question

How to plot x-y coordinates which correspond to elements which are repeated at least once
My project concerns capture & recapture of rats. I have a 1040 x 3 array, the first column is the tag number of the rat (when ea...

4 years ago | 2 Answers | 0