PREP - Professional Enhancement Programs of the MAA



 

Exploring Multivariable Calculus with MAPLE

A PREP Workshop

AIM log - Monday July 24, 2:30 pm - 4:00 pm

AIM Chat with Russell Blyth , Daniel Shown , Sergio Loch , Joel Silverberg , Paul Coe , Bill Marion , Mary Marshall , James McGee , Karin Burrell , Marina Dedlovskaya , Jawahar Pathak , Jerome Heaven , Jenny Dorrington , Anna Davis , Patricia Giurgescu , Mulavana Johny , Curtis Herink , Sang Lee , Christian Hellings , Chris Oehrlein , Michael Saclolo , James Rutledge , Louise Paquette , Scott Greenleaf , Mary Platt - A , Margaret Symington , Lia Petracovici , Mary Platt - A .
2:08 PM
Russell Blyth: hello
Math Dept: Hello
Daniel Shown: hello
Sergio Loch has joined this chat.
Sergio Loch: Hi;
Daniel Shown: hello Sergio.
Daniel Shown: ok
Russell Blyth: Let's test
Daniel Shown: vnc is up
Sergio Loch: Hopefully this afternoon things will work
Daniel Shown: 165.134.13.231
2:10 PM
Russell Blyth: for vnc
Russell Blyth: password MAPLE
Daniel Shown: and for video:
Daniel Shown: Open Quick Time Player
Daniel Shown: and then File > Open URL >
Daniel Shown: rtsp://165.134.240.35/mvc060724test.sdp
Daniel Shown: you should be able to right click and copy the link.
Sergio Loch: What is the URL?
Russell Blyth: rtsp://165.134.240.35/mvc060724test.sdp
Daniel Shown: and then past it into QT player's open URL window with +v
Sergio Loch: Okay, I have the video and sound. An improvement already
Daniel Shown: great!
Daniel Shown: It sounds like your school is blocking video somehow.
Daniel Shown: do you have VNC going?
Russell Blyth: what about VNC?
2:15 PM
Joel Silverberg has joined this chat.
Sergio Loch: Is this the right place for the chat?
Russell Blyth: yes
Paul Coe has joined this chat.
Bill Marion has joined this chat.
Mary Marshall has joined this chat.
James McGee has joined this chat.
Frank Rooney has joined this chat.
Bill Marion: Good afternoon, everyone
Russell Blyth: Hi again
Karin Burrell has joined this chat.
Mary Marshall: Hi. It's good to be back!
Russell Blyth: VNC is up
Marina Dedlovskaya has joined this chat.
Russell Blyth: Video is up for test, but will change soon
Jawahar Pathak has joined this chat.
Jerome Heaven has joined this chat.
Jenny Dorrington has joined this chat.
Russell Blyth: Patricia, we actually don't need you to send us you work, although we do appreciate your dedication!
Anna Davis has joined this chat.
Patricia Giurgescu has joined this chat.
2:20 PM
Mulavana Johny has joined this chat.
Curtis Herink has joined this chat.
Sang Lee has joined this chat.
Christian Hellings has joined this chat.
Chris Oehrlein has joined this chat.
Michael Saclolo has joined this chat.
Russell Blyth: Even at this "early" time we do have VNC up on the same address/password as this am
James Rutledge has joined this chat.
James Rutledge: Hello Russel
Russell Blyth: Any luck with the files from the web site, Jim?
James Rutledge: I just sent you an email about the worksheets--the web server reboot did the trick...
James Rutledge: The newly downloaded ones open properly.
Russell Blyth: Great!
Louise Paquette has joined this chat.
2:25 PM
Scott Greenleaf has joined this chat.
Mary Platt - A has joined this chat.
Russell Blyth has left this chat.
Russell Blyth has joined this chat.
Russell Blyth: thanks
Math Dept: video is up on pm1
Margaret Symington has joined this chat.
Margaret Symington: Thanks, I am in.
Math Dept: rtsp://165.134.240.35/mvc060724pm1.sdp
Sergio Loch: I lost the video and sound again.
Math Dept: yes, new address as above
Michael Saclolo: ready
2:30 PM
Math Dept: rtsp://165.134.240.35/mvc060724pm1.sdp
Bill Marion has left this chat.
Bill Marion has joined this chat.
Sergio Loch: okay, I got the sound and video back.
Math Dept: good
Bill Marion: Hi, I'm back in
Sergio Loch: What about the files from this morning? Are they available somewhere?
Math Dept: Anyone having problems with vnc or video?
Jawahar Pathak: No
Bill Marion: and have sound.
Marina Dedlovskaya: Not yet
Patricia Giurgescu: good afternoon! for the workshop assignment --I am in New York state, eastern std. time
Marina Dedlovskaya: I'm in NY, EST
Jerome Heaven: quick question...were there duplicate worksheets emailed out?
Jerome Heaven: ok
Patricia Giurgescu: Marina, what topics would you like to work on?
Margaret Symington: Can you let us know the full set of topics on which you have worksheets so that we can work on complementary things?
Math Dept: you may also request groupmates in your email response
Marina Dedlovskaya: Any topic is OK
2:35 PM
Patricia Giurgescu: great!
Lia Petracovici has joined this chat.
Lia Petracovici: thanks
Math Dept: Lia, VNC is the same as this morning
Math Dept: Video is
Lia Petracovici: OK
Math Dept: rtsp://165.134.240.35/mvc060724pm1.sdp
Jerome Heaven: Thanks Mike
2:40 PM
Patricia Giurgescu: lost VNC connection
James Rutledge: I have lost the VNC
Mary Platt - A has left this chat.
Lia Petracovici: me, too
Jawahar Pathak: I do not have the same display on VNC as Professor is talking
Jenny Dorrington: I am unable to reconnect to VNC.
Anna Davis: me too
Michael Saclolo: try refresh screen for vnc
Frank Rooney: me too
Chris Oehrlein: refresh often- that works for me
Margaret Symington: no go, saying cannot connect
Jenny Dorrington: I've tried restarting, and it says it cannot connect.
Frank Rooney: me too
Scott Greenleaf: I've refreshed a couple of times, but it keeps sticking after the refresh.
Bill Marion: I don't have the same screen either.
Christian Hellings: refresh doesn't work, can't reconnect
Daniel Shown: everyone is about to lose VNC
Math Dept: VNC server is being shut off
Daniel Shown: now reconnect
Math Dept: And restarted now
Patricia Giurgescu: back in!
Jenny Dorrington: That worked.
Lia Petracovici: it's back
Anna Davis: got it
Math Dept: All quit vnc and reopen (unless you connected again)
Michael Saclolo: ok ready
Mulavana Johny has left this chat.
Bill Marion: the correct screen is now visible
Mary Platt - A has joined this chat.
2:45 PM
Math Dept: Mary, do you have everything working OK?
Mary Platt - A: Yes
James Rutledge: Is this on a worksheet that was sent to us?
Math Dept: Yes
James Rutledge: Is is Local Linearity?
Math Dept: Or - go to the web page (Program) and get it
Math Dept: Yes
Math Dept: Local Linearity
Math Dept: sorry, easytangentplanes
James Rutledge: I can't seem to find it on my worksheet that I downloaded earlier this afternoon...
Math Dept: Mike switched it up on us!
James Rutledge: ok--I got it now. thanks.
2:50 PM
Jerome Heaven: could you demonstrate the same effect by zooming in and out?
Math Dept: switch video
Math Dept: to pm2
Russell Blyth: Zooming does not change the resolution so the pictures will not be as good.
2:55 PM
Math Dept: rtsp://165.134.240.35/mvc060724pm2.sdp
Michael Saclolo: ok ready
Russell Blyth: rtsp://165.134.240.35/mvc060724pm2.sdp
Mary Platt - A: The problem is the 1 in the plot line
Math Dept: Thx
Sergio Loch: I lost the video and VNC
3:00 PM
Math Dept: SL, restart those programs
Math Dept: Sergio, are you back?
Sergio Loch: Yes, I am back
Math Dept: good
3:05 PM
Frank Rooney has left this chat.
Paul Coe: For some reason I cannot cut and paste in the Maple worksheet anymore. It worked in the morning. Any ideas why?
Math Dept: Sorry Paul, no idea
Math Dept: As we switch off we are chaging tenor again.
Frank Rooney went offline before accepting your invitation.
Math Dept: This morning looked at things that students might do indepently.
Math Dept: The first part of this afternoon is very much worksheet mode.
Jawahar Pathak: Ya
Math Dept: We are now moving back to things that may be done a bit more free form.
Scott Greenleaf: On each worksheet, the initial restart command line gives me the message "Warning, the name changecoords has been redefined"
Scott Greenleaf: should this be happening?
3:10 PM
Scott Greenleaf: Thank you.
Math Dept: Some of the commands that are in the basic list of Maple commands have slightly different definition in the packages.
Bill Marion has left this chat.
Bill Marion has joined this chat.
Math Dept: I think the proper response is one that I tell students in class. Until you understand what the change means, it propbably does not do anything on the functions you are working with.
Jerome Heaven: restrict the view
James Rutledge: view=0..2
Math Dept: THe question is to find out how to modify the graph to get a top that looks eliptical. Russell will wait for hints.
Margaret Symington: contour plot
Louise Paquette: In the plot3d, can you have x = -sqrt(a)..sqrt(a), y = -sqrt(b)..sqrt(b)
Sergio Loch: Make either the a or b different from 1
3:15 PM
Math Dept: This demonstrates a point in worksheet design. It is often worthwhile to retype enough stuff to have it all show up together. The extra typing is worthwhile in the time saved in frustration.
Jerome Heaven: my students get hungry for a pringle whenever I show them this graph
Chris Oehrlein: You should take a bunch of pringles and icing in - let them draw the contours
Math Dept: I like the pringles idea.
Jerome Heaven: z = -2x+0.75y +C
Math Dept: What values of A, B, and F will give the right answer?
3:20 PM
Jerome Heaven: C = 2 + 1 +9/4
Curtis Herink: 6.25
Jawahar Pathak: Take a Tutors ?
Michael Saclolo: thank you.
Patricia Giurgescu: thank you!
James Rutledge: thanks.
Anna Davis: Thank you. See you tomorrow.
Joel Silverberg: thank you
Russell Blyth: Any questions as you leave?
Jawahar Pathak: Thank you
Jawahar Pathak has left this chat.
Christian Hellings: thanks!
Michael Saclolo has left this chat.
Lia Petracovici: bye
Math Dept: bye, all
Mary Marshall has left this chat.
Chris Oehrlein has left this chat.
Bill Marion: Signing off
Jerome Heaven: bye
Jerome Heaven has left this chat.
Lia Petracovici has left this chat.
Sang Lee: bye
Jenny Dorrington: Thanks. See you tomorrow.
James Rutledge has left this chat.
Louise Paquette: bye
Jenny Dorrington has left this chat.
Joel Silverberg has left this chat.
Sang Lee has left this chat.
Anna Davis has left this chat.
Karin Burrell has left this chat.
Louise Paquette has left this chat.
Patricia Giurgescu has left this chat.
Paul Coe has left this chat.
Mary Platt - A: Is the assignment posted -- I forgot what it was
Bill Marion has left this chat.
Sergio Loch: Bye, have a good evening
Christian Hellings has left this chat.
Marina Dedlovskaya has left this chat.
Scott Greenleaf: Thanks. See you tomorrow.
Scott Greenleaf has left this chat.
Math Dept: at this point, just email us topics of interest and time zone by 9 am CDT
Mary Platt - A: OK, bye
Mary Platt - A has left this chat.
Curtis Herink: Bye, all
Curtis Herink has left this chat.
Sergio Loch has left this chat.
4:05 PM
Daniel Shown has left this chat.

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This PREP workshop is made possible by the NSF grant DUE: 0341481