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<title>BQN: Square Image Of (⊏)</title>
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<div class="nav">(<a href="https://github.com/mlochbaum/BQN">github</a>) / <a href="../index.html">BQN</a> / <a href="index.html">help</a></div>
<h1 id="square-image-of-"><a class="header" href="#square-image-of-">Square Image Of (<code><span class='Function'>⊏</span></code>)</a></h1>
<h2 id="--first-cell"><a class="header" href="#--first-cell"><code><span class='Function'>⊏</span> <span class='Value'>𝕩</span></code>: First Cell</a></h2>
<p>First major cell of <code><span class='Value'>𝕩</span></code>.</p>
<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAg4oqPIOKfqDEsIDIsIDPin6kKCiAgIGEg4oaQIDPigL8zIOKliiDihpU5CgogICDiio8gYQ==">↗️</a><pre> <span class='Function'>⊏</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
┌·
· 1
┘
<span class='Value'>a</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
<span class='Function'>⊏</span> <span class='Value'>a</span>
⟨ 0 1 2 ⟩
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<h2 id="---select"><a class="header" href="#---select"><code><span class='Value'>𝕨</span> <span class='Function'>⊏</span> <span class='Value'>𝕩</span></code>: Select</a></h2>
<p>Select the major cells of <code><span class='Value'>𝕨</span></code> at the indices in <code><span class='Value'>𝕩</span></code>.</p>
<a class="replLink" title="Open in the REPL" target="_blank" href="https://mlochbaum.github.io/BQN/try.html#code=ICAgMuKAvzAg4oqPIOKfqDEsIDIsIDPin6kKCiAgIGIg4oaQIDPigL8zIOKliiDihpU5CgogICAy4oC/MCDiio8gYg==">↗️</a><pre> <span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>⊏</span> <span class='Bracket'>⟨</span><span class='Number'>1</span><span class='Separator'>,</span> <span class='Number'>2</span><span class='Separator'>,</span> <span class='Number'>3</span><span class='Bracket'>⟩</span>
⟨ 3 1 ⟩
<span class='Value'>b</span> <span class='Gets'>←</span> <span class='Number'>3</span><span class='Ligature'>‿</span><span class='Number'>3</span> <span class='Function'>⥊</span> <span class='Function'>↕</span><span class='Number'>9</span>
<span class='Number'>2</span><span class='Ligature'>‿</span><span class='Number'>0</span> <span class='Function'>⊏</span> <span class='Value'>b</span>
┌─
╵ 6 7 8
0 1 2
┘
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