GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
# # LinearAlgebraForCAP: Category of Matrices over a Field for CAP # # Reading the implementation part of the package. # ReadPackage( "LinearAlgebraForCAP", "gap/LinearAlgebraForCAP.gi" ); ReadPackage( "LinearAlgebraForCAP", "gap/MatrixCategoryObject.gi" ); ReadPackage( "LinearAlgebraForCAP", "gap/MatrixCategoryMorphism.gi" );