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| -rw-r--r-- | docs/doc/couple.html | 2 |
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diff --git a/docs/doc/couple.html b/docs/doc/couple.html index 86d8434a..e583b7f6 100644 --- a/docs/doc/couple.html +++ b/docs/doc/couple.html @@ -66,7 +66,7 @@ <p>As a consequence, <a href="pair.html">Pair</a> (<code><span class='Function'>⋈</span></code>) can be written <code><span class='Function'>≍</span><span class='Modifier2'>○</span><span class='Function'><</span></code>, while <code><span class='Function'>≍</span></code> is <code><span class='Function'>></span><span class='Modifier2'>∘</span><span class='Function'>⋈</span></code> as discussed above. This gives the neat (but not useful) identities <code><span class='Function'>≍</span> <span class='Gets'>←→</span> <span class='Function'>></span><span class='Modifier2'>∘</span><span class='Function'>≍</span><span class='Modifier2'>○</span><span class='Function'><</span></code>, and <code><span class='Function'>⋈</span> <span class='Gets'>←→</span> <span class='Function'>></span><span class='Modifier2'>∘</span><span class='Function'>⋈</span><span class='Modifier2'>○</span><span class='Function'><</span></code>, which have the same form because adding <code><span class='Modifier2'>○</span><span class='Function'><</span></code> commutes with adding <code><span class='Function'>></span><span class='Modifier2'>∘</span></code>.</p> <h2 id="merge-and-array-theory"><a class="header" href="#merge-and-array-theory">Merge and array theory</a></h2> <p>In all cases, what these functions do is more like reinterpreting existing data than creating new information. In fact, if we ignore the shape and look at the deshaped arrays involved in a call to Merge, we find that it just <a href="join.html">joins</a> them together. Essentially, Merge is a request to ensure that the inner arrays make up a homogeneous (not "ragged") array, and then to consider them to be such an array. It's the same thing <a href="rank.html">Rank</a> does to combine the result cells from its operand into a single array.</p> -<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4qWKID4gYQoK4qWKIOKlisKoIGEK4oi+IOKliiDipYrCqCBh">↗️</a><pre> <span class='Function'>⥊</span> <span class='Function'>></span> <span class='Value'>a</span> +<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=4oqiIGEg4oaQICJBQiLigL8iQ0QiIOKIvuKMnCAicnN0IuKAvyJ1dnci4oC/Inh5eiIK4qWKID4gYQoK4qWKIOKlisKoIGEK4oi+IOKliiDipYrCqCBh">↗️</a><pre> <span class='Function'>⥊</span> <span class='Function'>></span> <span class='Value'>a</span> "ABrstABuvwABxyzCDrstCDuvwCDxyz" <span class='Function'>⥊</span> <span class='Function'>⥊</span><span class='Modifier'>¨</span> <span class='Value'>a</span> |