Re: [sage-edu] Numerical Analysis text

2010-02-08 Thread Jason Grout
On 02/08/2010 03:09 PM, Dana Ernst wrote: On Feb 8, 2010, at 7:37 AM, jason-s...@creativetrax.com wrote: Two weeks ago I designed our first Sage lab day. It seemed to be helpful, even to the seniors in CS. It's still pretty rough, but I can email it to you if you want. Yes, pleas

Re: [sage-edu] Numerical Analysis text

2010-02-08 Thread Dana Ernst
On Feb 8, 2010, at 7:37 AM, jason-s...@creativetrax.com wrote: > Two weeks ago I designed our first Sage lab day. It seemed to be helpful, > even to the seniors in CS. It's still pretty rough, but I can email it to > you if you want. Yes, please! Thanks, Dana -- You received this messag

[sage-edu] Re: easy question

2010-02-08 Thread kcrisman
On Feb 8, 9:22 am, Dana Ernst wrote: > >>  I'd like to show the graph of y=1/t from say 0 to 8 and have the area > >> under the graph shaded from say 1/2 to 1.  Doing the following seemed > >> natural to me: > > >> plot(1/t,.1,8)+plot(1/t,1/2,1,fill=true).show() > > >> However, this doesn't wo

Re: [sage-edu] easy question

2010-02-08 Thread Dana Ernst
>> I'd like to show the graph of y=1/t from say 0 to 8 and have the area under >> the graph shaded from say 1/2 to 1. Doing the following seemed natural to >> me: >> >> plot(1/t,.1,8)+plot(1/t,1/2,1,fill=true).show() >> >> However, this doesn't work. (Of course, I declared t as a variable >

Re: [sage-edu] easy question

2010-02-08 Thread jason-sage
Dana Ernst wrote: Forgive my ignorance and for asking such a silly question... Today in Calc II, I'm introducing the natural log as an integral. I'd like to show the graph of y=1/t from say 0 to 8 and have the area under the graph shaded from say 1/2 to 1. Doing the following seemed natural

[sage-edu] Re: easy question

2010-02-08 Thread Rob Beezer
I haven't checked, but try grouping the plots together, (plot(1/t,.1,8)+plot(1/t,1/2,1,fill=true)).show() Rob On Feb 8, 5:47 am, Dana Ernst wrote: > Forgive my ignorance and for asking such a silly question... > > Today in Calc II, I'm introducing the natural log as an integral.  I'd like > to

[sage-edu] easy question

2010-02-08 Thread Dana Ernst
Forgive my ignorance and for asking such a silly question... Today in Calc II, I'm introducing the natural log as an integral. I'd like to show the graph of y=1/t from say 0 to 8 and have the area under the graph shaded from say 1/2 to 1. Doing the following seemed natural to me: plot(1/t,.1,

Re: [sage-edu] Numerical Analysis text

2010-02-08 Thread jason-sage
Dana Ernst wrote: I'm almost hesitate to ask this question on here in fear of being overwhelmed with responses:) (Jason Grout has already heard me ask similar questions to those that follow, so I apologize to him in advance.) I'll be teaching a Numerical Analysis course for the first time in