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-rw-r--r--abcd_lens.m2
1 files changed, 1 insertions, 1 deletions
diff --git a/abcd_lens.m b/abcd_lens.m
index 55c23bd..dcc34ff 100644
--- a/abcd_lens.m
+++ b/abcd_lens.m
@@ -1,6 +1,6 @@
function lens_abcd =abcd_lens(focal_distance)
% abcd matrix of the lens with given focal length
lens_abcd = [1, 0; -1/focal_distance, 1];
-endfunction
+end