This script was working.  For some reason I had to reinstall and not this
script no longer works.

 

load 'plot'

d=: 13 :'(0{x)-(-/x)*(i.>:y)%y'    NB. domain intervals 

T=:2p1                             NB. Tau

rose=: 13 :'(1 o.x*y) (*"1) 2 1 o./y'

e=:(_1 1) d 5                    NB. grid domain

 

 

INDEXES=:t=: ~.r=: <"1 |: b=: e I.(3 rose (0,T) d 9)*/0 1

INDEXES 

plot (3 rose (0,T) d 5)*/0 1

plot ;/3 rose (0,T) d 385

plot ;/(3 rose (0,T) d 385)*/0 1

 

 

mask=: 13 :'1 INDEXES } 0 $~ 2 # >: y'       

   

]shamrock=: ' X'{~  mask 25  NB. combine masks

 

Linda

         

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