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| author | Eugeniy Mikhailov <evgmik@gmail.com> | 2012-09-19 22:57:48 -0400 |
|---|---|---|
| committer | Eugeniy Mikhailov <evgmik@gmail.com> | 2012-09-19 22:57:48 -0400 |
| commit | 26af4be18380ae52b7628bd1aafa562b86f86fa4 (patch) | |
| tree | 8df0ea5c0cb1dd1cb37a5be4f025ec0377cacd9c | |
| parent | 0f6c67e982e06b9e8125ee082c9d86dce35ff183 (diff) | |
| download | beam_profiler-26af4be18380ae52b7628bd1aafa562b86f86fa4.tar.gz beam_profiler-26af4be18380ae52b7628bd1aafa562b86f86fa4.zip | |
Gaussian2D.m cleaned up
| -rw-r--r-- | Gaussian2D.m | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Gaussian2D.m b/Gaussian2D.m index 7063b06..db111b1 100644 --- a/Gaussian2D.m +++ b/Gaussian2D.m @@ -7,10 +7,12 @@ cy = p(2); wx = p(3); wy = p(4); amp = p(5); % beam amplitude or peak intensity -theta = p(6); % if beam is ellipticle then it is major axis angle +theta = p(6); % if beam is elliptical then it is major axis angle background=p(7); +% rotate squished beam appropriately Xn = (X-cx)*cos(theta) - (Y-cy)*sin(theta); Yn = (X-cx)*sin(theta) + (Y-cy)*cos(theta); -z = amp*(exp(-2*((Xn).^2./(wx^2)+(Yn).^2./(wy^2)))) + background; +% finally we calculate Gaussian profile +z = amp*exp(-2*((Xn/wx).^2+(Yn/wy).^2)) + background; |