Drawing a line element field using a procedure

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Question:Drawing a line element field using a procedure

Posted: janhardo 390 Product: Maple

March 29 2024

Well , honestly I can't make sense of how to do this.

Interactive can be done step by step , but now generalize via a procedure , but can't get a handle on it
How to get the right procedure ?

(1)

(2)

(3)

>	$opl_1 := dsolve({DV, RV1}, y(x))$

(4)

>	$opl_2 := dsolve({DV, RV2}, y(x))$

(5)

>	$opl := plot({rhs(opl_1), rhs(opl_2)}, x = 0 .. 5, y = -10 .. 10, thickness = 3)$

(6)

(7)

(8)

DVplot:=proc(DVA,RV1A,RV2A)
          local DV;RV1;RV2;opl_1;opl_2;opl;lijnelement;
          DV:
          RV1:
          RV2:
          opl_1 := dsolve({DV, RV1}, y(x)):
          opl_2 := dsolve({DV, RV2}, y(x)):
          opl:= plot({rhs(opl_1), rhs(opl_2)}, x = 0 .. 5, y = -10 .. 10, thickness = 3):
          lijnelement:=dfieldplot(DV, y(x), x = 0 .. 5, y = -10 .. 10, title = "lijnelementveld met                intergaalkromme door (1,1)(1,-1)"):
          display({opl, lijnelement});
end proc: