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Alex Knight


National Physical Laboratory

Active since 2011

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I'm a biochemist/biophysicist and I've been using MATLAB since version 5. Applications include the analysis of single-molecule data, spectral data, image processing and super-resolution microscopy. I also use LabVIEW a lot and wish there was better interoperability between the two...

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GUI buttons dissapear when I open it in 2015a
I had a similar problem which turned out to be due to uipanels being stacked on top of my objects. See <http://uk.mathworks.com/...

8 years ago | 0

Question


Why does the ecdf function return duplicate x values?
When calling the ecdf function (empirical cumulative distribution function), why is the first "x" value always duplicated? This ...

10 years ago | 2 answers | 1

2

answers

Question


Nearest neighbour distances between random points
I am trying to model an experiment where molecules are randomly distributed on a 2D surface. What I want to know is: # How ar...

10 years ago | 1 answer | 0

1

answer

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

13 years ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

13 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

13 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

13 years ago

Question


Report generation toolbox gives warnings and no figures in R2011b
Code using the report generation toolbox that works fine under r2010b gives the following warning on r2011b: Converting rep...

13 years ago | 2 answers | 0

2

answers

Answered
Removing white space in .emf plots
You can simply 'ungroup' the figure when you get it into PowerPoint and delete the unwanted white box. Then you can 'regroup' th...

14 years ago | 1

| accepted

Question


Code for Maximum Intensity Projection
Does anyone know of any code or approach to doing a maximum intensity projection in MATLAB? I'm looking for a simple function th...

14 years ago | 1 answer | 0

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