Hi Louis
and fellow Derivers,
The mth
file attached has a crude routine that will return the co-ords of a max or min
of a function in a given interval by sampling at n equally spaced points in the
interval [a,b]. It will only find
turning points if the interval is intelligently chosen. Also, a large value of n will lead to
more accurate co-ordinates.
I hope
this helps and if you want a more sophisticated local max min finder I could
knock something together, but it would be in Derive 5’s programming language
and hence would require Derive 5, i.e won’t work in Derive 4 or 3.
Cheers
Terence
Terence Etchells B.Sc.,M.Sc., MIMA, CMATH
School of Computing and Mathematical
Sciences
Liverpool John Moores University
Liverpool, UK
L3 3AF
fax 0151 207 4594
-----Original
Message-----
From: Louis F. Lowell
[mailto:[log in to unmask]]
Sent: 07 March 2003 02:40
To: [log in to unmask]
Subject: MaxMin on Derive
Hello
group
Is
there any way for a second year algebra student can determine the coordinates
of local maxima or local minima other than graphically (they know nothing about
derivatives). On a TI-83 this is a simple matter, but I do not know how to
accomplish the task with Derive.
Louis
F. Lowell