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Pole and Zeros

:: EPE Chat Zone ­:: ­Radio Bygones Message Board :: » EPE Forum Archives 2007-2009 » Archive through 11 October, 2009 » Pole and Zeros « Previous Next »

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mikeb
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Username: mikeb

Post Number: 148
Registered: 02-2008

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Posted on Tuesday, 08 September, 2009 - 04:05 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Just wanted to say well done EPE (Ian Bell) on your 2 pages of s function transforms.

I worked on that topic for a month when at University and never really understood it. I know some 30 years has now passed, but your writing was superb.

Those couple of pages should be copied out by Profs and given to first year students as background reading.

rgds

mb
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zeitghost
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Username: zeitghost

Post Number: 1321
Registered: 01-2006

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Posted on Wednesday, 09 September, 2009 - 08:40 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Oooooo, now there's a thought... :-)
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davejs
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Username: davejs

Post Number: 1
Registered: 09-2009

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Posted on Saturday, 19 September, 2009 - 10:36 am:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

mikeb, I couldn't agree more. I thought that the Log analogue (no pun intended) was inspired!
Dave
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mikeb
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Username: mikeb

Post Number: 151
Registered: 02-2008

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Posted on Sunday, 20 September, 2009 - 05:50 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

Dave yep - I wished that analogy was given to me all those years ago. Teachers know what will fox their students - after all they teach the same stuff year after year.

Yet in my experience they made no effort to help - they seemed to dish the stuff out and loved to watch who sank and who swam.

Wierd.

rgds

mb
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mikeb
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Username: mikeb

Post Number: 159
Registered: 02-2008

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Posted on Thursday, 24 September, 2009 - 12:28 pm:   Edit Post Delete Post Print Post    Move Post (Moderator/Admin Only)

The other beautiful analogy that comes to mind was the explaination of 'in the limit'.

Place a polygon inside a circle and increase the number of sides - in the limit, the sides ARE the circle - simply fantastic, even to a poor Maths person like me.

rgds

mb

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