simple2.cpp

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00001 #include <SyFi.h>
00002 
00003 int main() {
00004   // initialization (f = x^2 + y^2) 
00005   ex f = x*x + y*y; 
00006   cout <<"f "<<f<<endl; 
00007   
00008   // differentiation (dfdx = df/dx = 2x) 
00009   ex dfdx = f.diff(x,1);  
00010   cout <<"dfdx "<<dfdx<<endl; 
00011 
00012   // integration (intf = 1/3+y^2, integral of f(x,y) from x=0 to x=1) 
00013   ex intf = integral(x,0,1,f); 
00014   cout <<"intf "<<intf<<endl; 
00015   intf = eval_integ(intf); 
00016   cout <<"intf "<<intf<<endl; 
00017 
00018   return 0; 
00019 }

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