diff --git a/Schrick-Noah_Homework-5.jl b/Schrick-Noah_Homework-5.jl
index ddbecde..af76afd 100644
--- a/Schrick-Noah_Homework-5.jl
+++ b/Schrick-Noah_Homework-5.jl
@@ -54,18 +54,6 @@ plot(x, [vecs[:,1], vecs[:,2], vecs[:,3]],
     title="wave functions",
     label=["E0", "E1", "E2"], linewidth=3, gridlinewidth=3)
 
-# some julia linear linear algebra
-A = [ [2 3 4]; [3 2 4]; [5 -3 8] ];
-bvec = [6 8 1]';
-y = A \ bvec;  # use this in your function to solve the BVP
-A * y # should match b = [6 8 1]
-# * is matrix multiplication
-y.*bvec # makes operator element wise
-
-Ainv = A^(-1)
-Ainv = inv(A)
-Ainv * bvec
-
 function Laplace_time(;alpha, L, T, h, u_tblr)
   # ; lets you ref arguments by name
   # Laplace_time(alpha=20, L=25, T=)