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* [[Partition Operator]] * [[Dual Operator]]

<p>The concept of the Dual operator was described in Ken Iverson's paper on [https://www.jsoftware.com/papers/o <p>This operator is implemented via the anonymous function:</p>

|| [[Combinatorial|Combinatorial Operator]] || [[Null|Null operator]]

* [[Function/Operator/Hyperator Assignment]]: <apll>A←f</apll>,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;& |[[Determinant Operator|Determinant]]|| <apll>f.g R</apll> ||monadic

...n order to apply the Matrix operator to non-diagonalizable matrices. This operator uses Numerical Analysis methods to calculate the value of the Derivative of ...are calculated as per Iverson<ref name="IversonDerivative">"The Derivative Operator", Kenneth E. Iverson, APL '79: Proceedings of the international conference

! class="unsortable" width=5% | Is an Apl<br/>Function/Operator/Hyperator {{APL Symbol |frog| F={{CN}}|sy=Dual operator|ID={{CN}}|k=none| num=9058|hex=2362}}