how would you call the angle/gradient that the equation has. for example: f(x)=kx+b... if k=1, the line has a "gradient angle" of 45 degrees if k=2 the angle is ~63. angle=arctan(k). marius.
Mathieu Bouchard wrote: > On Sat, 13 Oct 2007, marius schebella wrote: > >> I haven't heard it before, but tried to translate it from german >> (steigungswinkel) >> any line that is defined by f(x)=ax+b and where a!=0 > > That's called "linear" or "affine" equation. > > In one terminology, "linear" is the general case, and "linear > homogeneous" when b=0. > > In another terminology, "affine" is the general case, and "linear" is > when b=0. > > But that's probably not all that you want to support: you want also to > support f(x)=b and the non-function case of a vertical line. The thing > is, functions of 1 variable to 1 variable are all that they teach people > in high-school, but if you want to compute things in which y and x are > considered of equal importance and not hierarchised, you have to stop > considering one as the function of the other. You could, for example, > use plain equations (not functions) for things that don't move, and > consider y,x to be functions of t for things that move. > > However, I don't remember anything about MSD, so I can't help you with > that. > > _ _ __ ___ _____ ________ _____________ _____________________ ... > | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
