Hello

This produced a blank graph.

steps _1 1 10
_1 _0.8 _0.6 _0.4 _0.2 0 0.2 0.4 0.6 0.8 1
   x=: steps _1 1 1000
   y=: sin o. x
   gdlines gddraw ,x ,. y


If I do this, I get a black line.

gdopen ''                 NB. open graph window
gdpen 3 0
    gdlines _1 _1 1 1
   gdshow''                  NB. show it


I couldn't complete the Fractals lab.

Also, it doesn't say so in the lab, but I had to load jview and viewmat.

I appreciate any help.
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