Sharedsupport / 2016-08-16-114135.sagewsOpen in CoCalc
Author: William A. Stein
License: GNU General Public License v3.0
Description: Examples for support purposes.
def sage_eval(x, locals=None): if isinstance(x, str): x = str(x).strip() if x.isspace(): return None from sage.all import sage_eval return sage_eval(x, locals=locals)
sage_eval??
File: /projects/sage/sage-6.10/local/lib/python2.7/site-packages/smc_sagews/sage_salvus.py Source: def sage_eval(x, locals=None): x = str(x).strip() if x.isspace(): return None from sage.all import sage_eval return sage_eval(x, locals=locals)
sage_eval(('f (x) = (x ^ 2-1) / (x-1)', 'f (1.000000000000001)'))
2.00000000000000
sage_eval('f(x) = (x^2-1) / (x-1)') sage_eval('f (1.000000000000001)')
Error in lines 1-1 Traceback (most recent call last): File "/projects/sage/sage-6.10/local/lib/python2.7/site-packages/smc_sagews/sage_server.py", line 947, in execute exec compile(block+'\n', '', 'single') in namespace, locals File "", line 1, in <module> File "/projects/sage/sage-6.10/local/lib/python2.7/site-packages/smc_sagews/sage_salvus.py", line 624, in sage_eval return sage_eval(x, locals=locals) File "/projects/sage/sage-6.10/local/lib/python2.7/site-packages/sage/misc/sage_eval.py", line 201, in sage_eval return eval(source, sage.all.__dict__, locals) File "<string>", line 1 __tmp__=var("x"); f = symbolic_expression((x**Integer(2)-Integer(1)) / (x-Integer(1))).function(x) ^ SyntaxError: invalid syntax