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00001 #include <iostream> 00002 00003 #include "CLHEP/Matrix/Matrix.h" 00004 00005 typedef CLHEP::HepMatrix AlgebraicMatrix; 00006 00007 int main(int, char **) { 00008 00009 AlgebraicMatrix mtr(7,7,0); 00010 for(int i=1;i<8;++i) 00011 { 00012 for(int j=1;j<8;++j) 00013 { 00014 if(i<=j) 00015 { 00016 mtr(i,j) = 10*i+j; 00017 mtr(j,i) = 10*j+i; 00018 } 00019 } 00020 } 00021 00022 std::cout<<"Initial matrix "<<mtr<<std::endl; 00023 std::cout<<"Sub (1,4,1,4)"<<mtr.sub(1,4,1,4)<<std::endl; 00024 00025 }