| Reaktionsmatrix | Nominativ, Singular | nominative case, singular | |
| Reaktionsmatrixe | Genitiv, Singular | genitive case, singular | |
| Reaktionsmatrixen | Dativ, Singular | dative case, singular | |
| Reaktionsmatrix(e)s | Akkusativ, Singular | accusative case, singular | |
| Reaktionsmatrixer | Nominativ, Plural | nominative case, plural | |
| Reaktionsmatrixern | Genitiv, Plural | genitive case, plural | |
| Reaktionsmatrixn | Dativ, Plural | dative case, plural |