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(a - b).lpNorm<1>();


g++.exe -Wreturn-type -o dist/Debug/Cygwin_4.x-Windows/marketfactorintegration build/Debug/Cygwin_4.x-Windows/main.o ../Maths/dist/Debug/Cygwin_4.x-Windows/libmaths.a
build/Debug/Cygwin_4.x-Windows/main.o: In function `_Z9scan_rhosd':
/cygdrive/g/NetBeansWorkspace/MarketFactorIntegration/main.cpp:239: undefined reference to `double Eigen::MatrixBase<Eigen::CwiseBinaryOp<Eigen::ei_scalar_difference_op<double>, Eigen::Matrix<double, 10000, 1, 2, 10000, 1>, Eigen::Matrix<double, 10000, 1, 2, 10000, 1> > >::lpNorm<1>() const'
build/Debug/Cygwin_4.x-Windows/main.o:/cygdrive/g/NetBeansWorkspace/MarketFactorIntegration/main.cpp:203: undefined reference to `double Eigen::MatrixBase<Eigen::Matrix<double, 10000, 1, 2, 10000, 1> >::lpNorm<1>() const'
collect2: ld returned 1 exit status
make[2]: *** [dist/Debug/Cygwin_4.x-Windows/marketfactorintegration.exe] Error 1
make[2]: Leaving directory `/cygdrive/g/NetBeansWorkspace/MarketFactorIntegration'
make[1]: *** [.build-conf] Error 2
make[1]: Leaving directory `/cygdrive/g/NetBeansWorkspace/MarketFactorIntegration'
make: *** [.build-impl] Error 2

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(a - b).cwise().abs().sum();


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#include<eigen/Array