Those 3 are fun! The  viewmat version is a better "paint ed" triangle. 

E-:M

load 'viewmat'
]x=:i:S=:50
]M=:|.x<:/(%:3)+(-%:3)*|x
(2 3$255 255 255 0 90 255) viewmat M

 'Linda



Sent from AOL Mobile Mail

On Tuesday, September 5, 2017 bill lam <bbill....@gmail.com> wrote:
E can also be plotted directly using 3d plots 'contour;aspect 1'plot E 
'density;aspect 1'plot E 'surface;aspect 1'plot E 

On Sep 3, 2017 1:37 AM, "Raul Miller" <rauldmil...@gmail.com> wrote: Do you 
mean like this? load 'plot' E=:(%:3) (] <:/ [ - (* |)) _,~_,i:20 'point;aspect 
1;pensize 10' plot <"1|.|:($, $ #: I.@,)E Thanks, -- Raul On Sat, Sep 2, 2017 
at 1:00 PM, Linda Alvord <lindaalv...@verizon.net> wrote: > > > It has rounded 
vertices and lumpy sides and uses too much paint. > > Experiment with S and 
pensize. > > > > load 'plot' > ]xx=:i:s=:20 > ]yy=:(%:3)+(-%:3)*|xx > 
]D=:|.xx<:/yy > ]E=:|.0,.(0,D,0),.0 > ]t=:0{$E > ]x=:t#i.t > ]y=:(*:t)$i.t > 
]A=: x;y > ]B=:|:>AI=:($E),"2(,E)#B > ]J=:|.<"1 |:I > 'point;aspect 1;pensize 
10' plot J > > Please share ways to of ways to simplify this. Thanks. > Linda > 
> > Linda > > > Experiment with S and pensize. > > > > load 'plot' > > 
]xx=:i:s=:20 > > ]yy=:(%:3)+(-%:3)*|xx > > ]D=:|.xx<:/yy > > 
]E=:|.0,.(0,D,0),.0 > > ]t=:0{$E > > ]x=:t#i.t > > ]y=:(*:t)$i.t > > ]A=: x;y > 
> ]B=:|:>A > > I=:($E),"2(,E)#B > > ]J=:|.<"1 |:I > > $J > > 'point;aspect 
1;pensize 10' plot J > > Let me know of ways to simplify this. Thanks. > > > > 
Linda > > > > Sent from AOL Mobile Mail > 
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