13 Oct
2007
13 Oct
'07
6:33 p.m.
On Sat, 13 Oct 2007, marius schebella wrote:
how would you call the angle/gradient that the equation has.
a direction... and i would probably express it as a pair of numbers, cos(angle) and sin(angle), because that scales better to 3-D later on, and also it's better to keep everything as cartesian than work with actual angles. (it's less trouble, even though polar forms might look easier at first)
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