MATLAB: Creating a Grid of Lat/Lon Values, in two columns

Question

Howdy.

The first thing I'm trying to do is take a vector lat = [-14:0.5:14] and a vector lon = [-14:0.5:14], and make a 3249X2 matrix such that I have:

-14 -14
-14 -13.5
-14 -13.0
.
.
.
14 13.0
14 13.5
14 14

So I should have 3249 rows and 2 columns, where each latitude value matches with a respective longitude value. I have tried using repmat, but that didn't quite work. Does anyone have any ideas on how to do this?

Thanks for your help.

Answer 1

You'll want to use meshgrid or ndgrid to expand the vectors:

[lat, lon] = meshgrid(-14:0.5:14);
ltln = [lat(:) lon(:)]