+ <xs:complexType name="MatrixType">
+ <xs:simpleContent><xs:extension base="xs:string">
+ <xs:attribute name="id" type="xs:string"/>
+ <xs:attribute name="type" type="xs:string" use="required"/>
+ <xs:attribute name="rows" type="xs:integer" use="required"/>
+ <xs:attribute name="cols" type="xs:integer" use="required"/>
+ </xs:extension>
+ </xs:simpleContent>
+ </xs:complexType>
+