X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2Feja_utils.py;h=8422fbff3c3a3f1523a84708ee659bd605da7ffe;hb=71ed5e9dc86ef368e81e13122aad6046bf056a28;hp=79d8ecfce61c555375deffd40501b2fb100c0379;hpb=40850626cb85d115363995ad6beaee8cb17d83da;p=sage.d.git

diff --git a/mjo/eja/eja_utils.py b/mjo/eja/eja_utils.py
index 79d8ecf..8422fbf 100644
--- a/mjo/eja/eja_utils.py
+++ b/mjo/eja/eja_utils.py
@@ -1,41 +1,5 @@
 from sage.structure.element import is_Matrix
 
-def _charpoly_sage_input(s):
-    r"""
-    Helper function that you can use on the string output from sage
-    to convert a charpoly coefficient into the corresponding input
-    to be cached.
-
-    SETUP::
-
-        sage: from mjo.eja.eja_algebra import JordanSpinEJA
-        sage: from mjo.eja.eja_utils import _charpoly_sage_input
-
-    EXAMPLES::
-
-        sage: J = JordanSpinEJA(4,QQ)
-        sage: a = J._charpoly_coefficients()
-        sage: a[0]
-        X1^2 - X2^2 - X3^2 - X4^2
-        sage: _charpoly_sage_input(str(a[0]))
-        'X[0]**2 - X[1]**2 - X[2]**2 - X[3]**2'
-
-    """
-    import re
-
-    exponent_out = r"\^"
-    exponent_in = r"**"
-
-    digit_out = r"X([0-9]+)"
-
-    def replace_digit(m):
-        # m is a match object
-        return "X[" + str(int(m.group(1)) - 1) + "]"
-
-    s = re.sub(exponent_out, exponent_in, s)
-    return re.sub(digit_out, replace_digit, s)
-
-
 def _scale(x, alpha):
     r"""
     Scale the vector, matrix, or cartesian-product-of-those-things
@@ -301,8 +265,6 @@ def gram_schmidt(v, inner_product=None):
         # cool
         return v
 
-    R = v[0].base_ring()
-
     # Our "zero" needs to belong to the right space for sum() to work.
     zero = v[0].parent().zero()