[sage-support] sagevm login problem

2018-06-14 Thread Rene
this helps troubleshooting. Rene from log.2 (Wed June 13, 2018, 8.41am EDT): 11:38:26.612725 main ERROR [COM]: aRC=VBOX_E_OBJECT_IN_USE (0x80bb000c) aIID={4afe423b-43e0-e9d0-82e8-ceb307940dda} aComponent={MediumWrap} aText={Medium 'C:\Users\Rene Struik\VirtualBox VMs\Sage-6.4.1\sage-6

[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