This program will find the minimums and maximum of a set of equally spaced points using the method of least squares.

Downloads:

Basic program (liberty basic) - minmax.bas

Test case (data is embedded in program data statements):

Data Peak Finder Using Least Squares
     equally spaced points

Number of points to input? 20
Use keyboard (k) or read from data (d)? d
Chose mode:
  1. Absolute max and min.
  2. Calculated max and min.
  3. Quit.

(1,2,3) 1

Max= 116.442724 at x= 5.77457627

(1,2,3) 2

Max= 116.442724 at x= 5.77457627


Min= 95.3015584 at x= 8.93636364


Max= 104.733889 at x= 11.5444444

(1,2,3) 3