As I am just heading for the airport after a delightful conference I seem
to have captured a way to analyze alternating series. What do you think
about this?
We stayed on the 7th floor of our hotel and had a great time.
f=:+/"1
f i."0 i.7
0 0 1 3 6 10 15
f i:"0 i.7
0 0 0 0 0 0 0
at2=: 13 :'([:{:"1 *.) j./"1 y'
]at2 i:2
_1.5708
at2 i:5
3.14159
at2 i:600
_1.5708
at2 i:601
3.14159
at2 i:"0 i.7
0 3.14159 _1.5708 3.14159 _1.5708 3.14159 _1.5708
Linda
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