CoCalc -- FittingIdeals.g

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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

Project: cocalc-sagemath-dev-slelievre

Path: gap4r8 / pkg / Modules-2018.01.07 / examples / FittingIdeals.g

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LoadPackage( "MatricesForHomalg" );

R := HomalgRingOfIntegers( );

m := HomalgMatrix( "[ \
2,  0, 0, \
0, 12, 0  \
]", 2, 3, R );

LoadPackage( "Modules" );

M := LeftPresentation( m );

N := TorsionObject( M );