MathAction ExampleFreeAbelianGroup

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How to use FreeAbelianGroup?

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(1) -> Z ==> Integer

Type: Void

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A==>FreeAbelianGroup(M)

Type: Void

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M==>Matrix Z

Type: Void

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m1 := matrix [[1,2],[3,4]]

$\label{eq1}\left[ \begin{array}{cc} 1 & 2 \ 3 & 4$

(1)

Type: Matrix(Integer)

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m2 := matrix [[8,3]]

$\label{eq2}\left[ \begin{array}{cc} 8 & 3$

(2)

Type: Matrix(Integer)

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m3 := matrix [[6],[7]]

$\label{eq3}\left[ \begin{array}{c} 6 \ 7$

(3)

Type: Matrix(Integer)

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a1 := m1::A; a2:=m2::A;a3:=m3::A;

   There are no library operations named FreeAbelianGroup 
      Use HyperDoc Browse or issue
                          )what op FreeAbelianGroup
      to learn if there is any operation containing " FreeAbelianGroup 
      " in its name.

   Cannot find a definition or applicable library operation named 
      FreeAbelianGroup with argument type(s) 
                                    Type

      Perhaps you should use "@" to indicate the required return type, 
      or "$" to specify which version of the function you need.

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