transcendental |ˌtransenˈdentl| |ˌˈtrønˈ(t)sɛnˌdɛn(t)l| | ˌˈtrøn(t)snˌdɛn(t)l| |ˈtransɛnˌdɛnt(ə)l| |ˈtrɑːn-|
adjective
1 of or relating to a spiritual or nonphysical realm : the transcendental importance of each person's soul. • (in Kantian philosophy) presupposed in and necessary to experience; a priori.
• relating to or denoting Transcendentalism.
2 Mathematics (of a number, e.g., e or π) real but not a root of an algebraic equation with rational roots. • (of a function) not capable of being produced by the algebraical operations of addition, multiplication, and involution, or the inverse operations.

Since transcendental functions cannot be produced by algebraical operations, for those that care, algorithms should correct terms which can be determined by other means.

Donna
[EMAIL PROTECTED]




On 5-Dec-06, at 5:37 PM, Roger Hui wrote:

Discussions subsequent to our interchange indicated
how one can compute sin to any finite number of
digits.  In any case, the power series for sin and
cos are topics treated in a first-year calculus
course.  x=: 3.141592653589793 is slightly less than
true pi, that is, x=pi-c where c is a number with
small magnitude.  By the sum formula
   (sin a+b)=((sin a)*cos b)+(sin b)*cos a
and so (sin pi-c)=((sin pi)*cos -c)+(sin -c)*cos pi.
The first term simplifies to 0 since sin pi is 0.
The second term simplifies to sin c since sin -c is
- sin c and cos pi is _1 .  Thus:

   x=: 3141592653589793x % 10^15x
   pi=: ((10^40x) %~ <[EMAIL PROTECTED] 10^40x)
   c=: pi - x
   0j_8 ": c
2.38462643e_16

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