<?xml version='1.0'?>
<schema
  xmlns='http://www.w3.org/1999/XMLSchema'
  targetNamespace='http://www.w3.org/namespace/'
  xmlns:t='http://www.w3.org/namespace/'>

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   <attribute name='height' type='string' minOccurs='0'/>
   <attribute name='depth' type='string' minOccurs='0'/>
   <attribute name='linebreak' type='string' minOccurs='0'/>
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   <attribute name='xlink:href' type='string' minOccurs='0'/>
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   <attribute name='style' type='string' minOccurs='0'/>
   <attribute name='id' type='ID' minOccurs='0'/>
   <attribute name='xref' type='IDREF' minOccurs='0'/>
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 <element name='mprescripts'>
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 <element name='malignmark'>
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   <attribute name='edge' minOccurs='0'>
    <simpleType base='string'>
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     <enumeration value='right'/>
    </simpleType>
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 <element name='maligngroup'>
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   <attribute name='class' type='string' minOccurs='0'/>
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   <attribute name='groupalign' type='string' minOccurs='0'/>
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 <element name='mchar'>
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 <element name='mglyph'>
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   <attribute name='fontfamily' type='string' minOccurs='0'/>
   <attribute name='index' type='string' minOccurs='0'/>
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 <element name='sep'>
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   <attribute name='xmlns:xlink' type='string' use='fixed' value='http://www.w3.org/1999/xlink'/>
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 <element name='inverse'>
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   <attribute name='id' type='ID' minOccurs='0'/>
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   <attribute name='definitionURL' type='string' minOccurs='0'/>
   <attribute name='encoding' type='string' minOccurs='0'/>
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 <element name='ident'>
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 <element name='compose'>
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 <element name='exp'>
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 <element name='abs'>
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 <element name='arg'>
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 <element name='imaginary'>
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 <element name='conjugate'>
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   <attribute name='xref' type='IDREF' minOccurs='0'/>
   <attribute name='other' type='string' minOccurs='0'/>
   <attribute name='definitionURL' type='string' minOccurs='0'/>
   <attribute name='encoding' type='string' minOccurs='0'/>
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   <attribute name='xlink:href' type='string' minOccurs='0'/>
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   <attribute name='definitionURL' type='string' minOccurs='0'/>
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 <element name='arctan'>
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 <element name='mean'>
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 </element>

 <element name='sdev'>
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 <element name='variance'>
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 <element name='median'>
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 <element name='mode'>
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 <element name='moment'>
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 <element name='transpose'>
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 <element name='vectorproduct'>
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 <element name='scalarproduct'>
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 <element name='outerproduct'>
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 <element name='selector'>
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 <element name='ci'>
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