In the complex plane, a point can be represented by (x,iy) or by (r,theta) where r is distance from origin and theta is the CCW angle from the x-axis. Length/angle refers to r/theta.
In other words, polar form of the complex number y.. Henry Rich > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Terrence Brannon > Sent: Monday, September 17, 2007 7:29 PM > To: General forum > Subject: [Jgeneral] Vocabulary question concerning *. (Length / Angle) > > Re: http://www.jsoftware.com/help/dictionary/d111.htm > We read: "*.y is a two-element list of the length and angle > (in radians) ..." > > > But how can a hypotenuse have an angle in radians? A hypotenuse is a > side of a triangle. Not only that, but a right triangle has 2 non > right-angles which dont have to equal each other. So which of those > two angles is this referring to? > > -- > > J IRC Channel irc://irc.freenode.org/jsoftware > ---------------------------------------------------------------------- > For information about J forums see > http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
