X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Finterpolation.py;h=cbba68e03a4e2bd3ae5601ec51844aada3cf435d;hb=f352ef9a0ab5fbc784becdef65e20fe10d80e67e;hp=393908670054a9740203de64c3e0338e10f689c0;hpb=4a17cddb945c51a206920c5a7a4d5ddce8141af5;p=sage.d.git

diff --git a/mjo/interpolation.py b/mjo/interpolation.py
index 3939086..cbba68e 100644
--- a/mjo/interpolation.py
+++ b/mjo/interpolation.py
@@ -1,5 +1,5 @@
 from sage.all import *
-from misc import product
+product = prod
 
 
 def lagrange_denominator(k, xs):
@@ -186,7 +186,7 @@ def divided_difference(xs, ys):
         sage: f = function('f', x)
         sage: divided_difference([x], [f(x=x)])
         f(x)
-        sage: x1,x2 = var('x1,x2')
+        sage: x1,x2 = SR.var('x1,x2')
         sage: divided_difference([x1,x2], [f(x=x1),f(x=x2)])
         f(x1)/(x1 - x2) - f(x2)/(x1 - x2)