# HG changeset patch
# User Johan Grönqvist <johan.gronqvist@gmail.com>
# Date 1272570845 -7200
# Node ID 4288ffc0537a779495d904564b751cd19bcb8ba4
# Parent e5264d202a8568007c5571b2ecf2658a4bf325fd
Trac 8825: Improve documentation of "norm".
diff -r e5264d202a85 -r 4288ffc0537a sage/misc/functional.py
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1061 | 1061 | def norm(x): |
1062 | 1062 | """ |
1063 | 1063 | Returns the norm of x. |
1064 | | |
| 1064 | |
| 1065 | For matrices and vectors, this returns the L2-norm. |
| 1066 | For complex numbers, it returns the field norm. |
| 1067 | |
1065 | 1068 | EXAMPLES:: |
1066 | 1069 | |
1067 | 1070 | sage: z = 1+2*I |
1068 | 1071 | sage: norm(z) |
1069 | 1072 | 5 |
| 1073 | sage: norm(vector([z])) |
| 1074 | sqrt(5) |
| 1075 | sage: norm(matrix([[z]])) |
| 1076 | 2.2360679775 |
1070 | 1077 | sage: norm(CDF(z)) |
1071 | 1078 | 5.0 |
1072 | 1079 | sage: norm(CC(z)) |