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IsMultiArrFree

checks if the multiarrangement is free

Syntax
IsMultiArrFree(MultiA: LIST): BOOL

Description
This function tests whether the multiarrangement MultiA is free.

Example
/**/ use QQ[x,y];	
/**/ MultiA := [[x,1], [x-y,3], [y,2]];
/**/ IsMultiArrFree(MultiA);    
true

/**/ use QQ[x,y,z];	
/**/ MultiA := [[x,1], [x-y,3], [z,2], [x+y-z,3]];
/**/ IsMultiArrFree(MultiA);    
false

See Also