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Question: How I can plot3d with two different conditions

Question:How I can plot3d with two different conditions

fatemeh1090 65 Maple 2019
conditional plotting
December 11 2020
1

How I can plot3d function s. in the domain x ,y from -1300 to 200.

Thanks

if.mw
 

> 

"restart; #` x__A`=-1300..200, `y__A`=-1300..200 u1:=(((`x__A`-200)^(2)+(`y__A`^())^(2))*0.001)/(960000); if u1<=0.001 then w(u1):=-0.5772-ln(u1); else if u1>0.001 then w(u1):=-0.5772-ln(u1)+u1-((u1)^(2))/(2*2!)+((u1)^(3))/(3*3!)-((u1)^(4))/(4*4!)+((u1)^(5))/(5*5!)-((u1)^(6))/(6*6!)+((u1)^(7))/(7*7!)-((u1)^(8))/(8*8!)+((u1)^(9))/(9*9!)-((u1)^(10))/(10*10!)+((u1)^(11))/(11*11!)-((u1)^(12))/(12*12!); end if"

Error, invalid 'if' statement

"restart; u1:=(((`x__A`-200)^2+(`y__A`)^2)*0.001)/960000; if u1<=0.001 then w:=(u1)->-0.5772-ln(u1); elseif u1>0.001 then w(u1):=-0.5772-ln(u1)+u1-((u1)^2)/(2*2!)+((u1)^3)/(3*3!)-((u1)^4)/(4*4!)+((u1)^5)/(5*5!)-((u1)^6)/(6*6!)+((u1)^7)/(7*7!)-((u1)^8)/(8*8!)+((u1)^9)/(9*9!)-((u1)^10)/(10*10!)+((u1)^11)/(11*11!)-((u1)^12)/(12*12!); end if"

  
> 

s := 6.87*10^(-3)*w(u1); plot3d(s, x__A = -1300 .. 200, y__A = -1300 .. 200)


 

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