Expression 4: "L" equals 2 pi random left parenthesis, "N" , right parenthesisL=2πrandomN
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Expression 5: "r" Subscript, "c" , Baseline equals 0.5random left parenthesis, "N" , right parenthesisrc=0.5randomN
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Expression 6: StartAbsoluteValue, "y" , EndAbsoluteValue greater than 0y>0
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The > tricks it into plotting this like an inequality
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Expression 8: mod left parenthesis, total left parenthesis, left brace, left parenthesis, "x" minus "c" Subscript, "x" , Baseline , right parenthesis squared plus left parenthesis, "y" minus "c" Subscript, "y" , Baseline , right parenthesis squared less than or equal to "r" squared : 1 , 0 , right brace , right parenthesis , 2 , right parenthesis minus 0 greater than 0modtotalx−cx2+y−cy2≤r2c:1,0,2−0>0