That seems to prove that
(arctan 1j_1) notequal (arctan _1j1)
correct?
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|\/| Randy A MacDonald | APL: If you can say it, it's done.. (ram)
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BSc(Math) UNBF'83 þas a process, you don't know what you're doing.
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-----------------------------------------------------(INTP)----{ gnat }-
----- Original Message -----
From: "John Randall" <[EMAIL PROTECTED]>
To: "General forum" <[email protected]>
Sent: Thursday, June 29, 2006 6:34 PM
Subject: Re: [Jgeneral] significant digits
Eldon Eller wrote:
The arc tangent of _1r1 is different from the arc tangent of 1r_1.
atan=:_3&o.@:%~
atan2=:angle@:j.
(?0) (atan-atan2) (?0)
_1.11022e_16
1 (atan-atan2) _1
0
_1 (atan-atan2) 1
_3.14159
Best wishes,
John
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