... config-uration of the Qis can be used in a ‘condensing’ algorithm for the gametic effects and the computing of the ‘condensed’ gametic relationship matrix G∗ and its inverse is outlined in detail in the ... consists of four parts: the generation of the index matrix N, the determination of matrix L, the calculation of the condensed gametic rela-tionship matrix G∗, and finally, the computation of its inverse. ... article Identification of gametes and treatment of linear dependencies in the gametic QTL-relationship matrix and its inverseArmin T, Manfred M , Norbert R∗Forschungsinstitut...