Ken Iverson: Difference between revisions
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:<math>\prod_kf(k)^{[P(k)]} = \prod_{P(k)}f(k).</math> | :<math>\prod_kf(k)^{[P(k)]} = \prod_{P(k)}f(k).</math> | ||
In APL, the Iverson bracket is implied in all logical propositions. | While the Iverson bracket was adopted into mainstream mathematics, it's use has not been very widespread. Donald Knuth has argued strongly for the its wider use. | ||
In APL, the Iverson bracket is implied in all logical propositions, for example <code class="apl">4≥3</code> evaluates to <code class="apl">1</code> and <code class="apl">'hello'≡'world'</code> evaluates to <code class="apl">0</code>. | |||
== External links == | == External links == | ||