Re: Math expression help
Re: Math expression help
- Subject: Re: Math expression help
- From: "David B. Gustavson" <email@hidden>
- Date: Tue, 9 May 2006 14:04:11 -0700
You have a spurious parenthesis before "cos(-HA)", which causes the
following sum to be multiplied by the first two cos's, which is
inconsistent with your x arithmetic below.
There are two more unnecessary parentheses, ahead of the two sin's,
but they don't cause problems.
Dave
Hi all,
Can someone please explain this to me...... I have the expression in
one statement and it gives the wrong answer. After breaking it up I
get the answer is correct answer
Thoughts?
Thanks,
Dale
set HA to 256.84 * 3.1415926535 / 180 --in radians
set Dec to 29.82 * 3.1415926535 / 180 --in radians
set latitude to 42.55574 * 3.1415926535 / 180 --latitude location in radians.
set Dz to cos (latitude - pi / 2) * (cos (Dec) * (cos (-HA) + (sin
(latitude - pi / 2) * (sin (Dec)))))
display dialog "Dz " & Dz
set x1 to cos (latitude - pi / 2)
set x2 to cos (Dec)
set x3 to cos (-HA)
set x4 to x1 * x2 * x3
set x5 to sin (latitude - pi / 2)
set x6 to sin (Dec)
set x7 to x5 * x6
set x8 to x4 + x7
display dialog "C " & x8
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--David B. Gustavson, tel:650/961-0305 fax:208/475-7525
1946 Fallen Leaf Lane, Los Altos, CA 94024-7206 email@hidden
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