[sage-devel] Re: How to delete useless cell on the notebook

2009-03-19 Thread peak
It's so easy! thanks you all. Jason Grout wrote: > Stan Schymanski wrote: > > To delete a whole section of the notebook, I type in something like > > "#begin deletion" in the first cell and something like "#end deletion" > > in the last cell, evaluate both, then click on the "Edit" button (upper

[sage-devel] some functions seems not work as in numpy

2009-03-17 Thread peak
When I run below code in SageNB, it rised error: import numpy x=numpy.arange(0,1,.05) y=numpy.sin(2*pi*x) Traceback (click to the left for traceback) ... AttributeError: sin but the same code works well in python, how can I obtain array x & y above except using [... for ... in range()] ? than