function [ a_N , inv_a_N ] = Inverse( a )

[ m , n ] = size( a );

disp('Inverting ...');

inv_a = inv( a );

disp('Normalizing ...');

max_a = max( a(:) );
min_a = min( a(:) );

max_inv_a = max( inv_a(:) );
min_inv_a = min( inv_a(:) );

range_a     = max_a     - min_a;
range_inv_a = max_inv_a - min_inv_a;

a_N     = ( a     - min_a     ) ./ range_a;
inv_a_N = ( inv_a - min_inv_a ) ./ range_inv_a;

disp('Done ...');

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