Hot-keys on this page
r m x p toggle line displays
j k next/prev highlighted chunk
0 (zero) top of page
1 (one) first highlighted chunk
""" Default Settings
AUTHORS: William Stein and David Kohel """
#***************************************************************************** # Copyright (C) 2004 William Stein <wstein@gmail.com> # # Distributed under the terms of the GNU General Public License (GPL) # # This code is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # The full text of the GPL is available at: # # http://www.gnu.org/licenses/ #*****************************************************************************
# default variable name var_name = 'x'
def variable_names(n, name=None): name = var_name
def latex_variable_names(n, name=None): if name is None: name = var_name n = int(n) if n == 1: return [name] v = tuple(['%s_{%s}'%(name,i) for i in range(n)]) return v
def set_default_variable_name(name, separator=''): r""" Change the default variable name and separator. """ global var_name, var_sep var_name = str(name) var_sep = str(separator)
# default series precision series_prec = 20
def series_precision(): """ Return the Sage-wide precision for series (symbolic, power series, Laurent series).
EXAMPLES::
sage: series_precision() 20 """
def set_series_precision(prec): """ Change the Sage-wide precision for series (symbolic, power series, Laurent series).
EXAMPLES::
sage: set_series_precision(5) sage: series_precision() 5 sage: set_series_precision(20) """ global series_prec |