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// 08.09.10
// 13.10.21 ( __ added to varibles )
// 17.05.21 Mdv, Ndv changed to division number
function [Zval__,Xval__,Yval__]=Evlptablepara(MS__)
Nargs__=Mixlength(MS__);
Eps__=10^(-3);
Tmp__=Mixop(1,MS__);
FdL__=Fullformfunc(Tmp__);
Mdv=50;
Ndv__=50;
if Nargs__>=2
Tmp__=Mixop(2,MS__);
if Mixtype(Tmp__)~=1 Tmp__=Mixop(1,Tmp__); end;
if length(Tmp__)>1
Mdv__=Tmp__(1,1);
Ndv__=Tmp__(1,2);
else
Mdv__=Tmp__
if Nargs__==2
Ndv__=Mdv__
else
Tmp1__=Mixop(3,MS__);
if type(Tmp1__)==1 & length(Tmp1__)==1
Ndv__=Tmp1__;
else
Ndv__=Mdv__;
end
end
end
end;
Tmp__=Mixop(5,FdL__);
K__=mtlb_findstr(Tmp__,'=');
Uname__=part(Tmp__,1:K__-1);
Urange__=evstr(part(Tmp__,K__+1:length(Tmp__)));
Tmp__=Mixop(6,FdL__);
K__=mtlb_findstr(Tmp__,'=');
Vname__=part(Tmp__,1:K__-1);
Vrange__=evstr(part(Tmp__,K__+1:length(Tmp__)));
U1__=Urange__(1); U2__=Urange__(2);
V1__=Vrange__(1); V2__=Vrange__(2);
Du__=(U2__-U1__)/(Mdv__); //17.05.21
Dv__=(V2__-V1__)/(Ndv__); //17.05.21
Xyzstr__=[Mixop(2,FdL__),Mixop(3,FdL__),Mixop(4,FdL__)];
I__=1;
Zval__=[];
for v__=V1__:Dv__:V2__
v1__=v__-Eps__/2; v2__=v__+Eps__/2;
ZuL__=[];
for u__=U1__:Du__:U2__;
u1__=u__-Eps__/2; u2__=u__+Eps__/2;
Tmpv__=strsubst(Xyzstr__,Vname__,'v__');
Tmp__=strsubst(Tmpv__,Uname__,'u1__');
P1__=evstr(Tmp__);
Tmp__=strsubst(Tmpv__,Uname__,'u2__');
P2__=evstr(Tmp__);
Tmp1__=Parapt(P1__);
Tmp2__=Parapt(P2__);
Dxu__=(Tmp2__(1)-Tmp1__(1))/Eps__;
Dyu__=(Tmp2__(2)-Tmp1__(2))/Eps__;
u1__=u__-Eps__/2; u2__=u__+Eps__/2;
Tmpu__=strsubst(Xyzstr__,Uname__,'u__');
Tmp__=strsubst(Tmpu__,Vname__,'v1__');
P1__=evstr(Tmp__);
Tmp__=strsubst(Tmpu__,Vname__,'v2__');
P2__=evstr(Tmp__);
Tmp1__=Parapt(P1__);
Tmp2__=Parapt(P2__);
Dxv__=(Tmp2__(1)-Tmp1__(1))/Eps__;
Dyv__=(Tmp2__(2)-Tmp1__(2))/Eps__;
Tmp__=Dxu__*Dyv__-Dxv__*Dyu__;
ZuL__=[ZuL__,Tmp__];
end;
Zval__=[Zval__;ZuL__];
end;
Yval__=V1__:Dv__:V2__;
Xval__=U1__:Du__:U2__;
endfunction;
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