[sage-support] Plotting non continuous functions

2009-08-11 Thread Rene Bosch
Haven't found any mentioning of this, so apologies if this has been reported or asked already As opposed to version 3, Sage 4.1 has some problems plotting a function that is not continuous over all the x values in the plot range. Consider the function f(x) = sqrt(x^2 - 4), which does not exist be

[sage-support] Type set of symbols missing

2009-08-06 Thread Rene Bosch
hello, I've seen a topic on this issue regarding integrals, with a ticket that apparently is closed in the meantime. I do see the problem still appearing in 4.1 for - in this case - the sqrt symbol. Tried Mac OSX and on-line Sage. Simple examples: When I type a simple "sqrt(2)" I do get it type