R. Suzuki <r-s### [at] aistgojp> wrote:
: Thus, the second sentence of above paragraph should be like this "These 
: functions usually have discontinuities (i.e. not differentiable)." 

  Ok, I'll change that. However, the comment in the parentheses should then
also be changed (or even removed). A curve or surface can be continuous, but
still not differentiable at a certain point. This usually means that there's
a sharp point or edge there.

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -

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