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<!DOCTYPE html>
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<head>
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  <title>Matrix Operations · stdlib Showcase</title>
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  <nav>
    <span class="nav-logo">[stdlib · showcase]</span>
    <ul>
      <li><a href="index.html">Home</a></li>
      <li><a href="ndarray.html">NDArray</a></li>
      <li><a href="math.html" class="active">Math</a></li>
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  <div class="page-header">
    <small>Part 02</small>
    <h1>Matrix Operations</h1>
    <p>Dot product using <a href="https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/base/ddot" target="_blank"><code>@stdlib/blas-base-ddot</code></a>
      and Frobenius norm of matrix multiplication using <a href="https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/sqrt" target="_blank"><code>@stdlib/math-base-special-sqrt</code></a>.</p>
  </div>

  <div class="section">
    <h2>Vector Dot Product</h2>
    <div class="row" style="align-items:flex-end; gap:1.5rem">
      <div>
        <label>Vector A</label>
        <div class="mat-grid" id="dot-a" style="grid-template-columns:repeat(4,52px)"></div>
      </div>

      <span class="muted" style="font-size:1.4rem">·</span>

      <div>
        <label>Vector B</label>
        <div class="mat-grid" id="dot-b" style="grid-template-columns:repeat(4,52px)"></div>
      </div>

      <button class="primary" id="dot-btn" style="margin-bottom:1px">Compute</button>
    </div>
    <div class="output" id="dot-result">—</div>
  </div>

  <div class="section">
    <h2>Matrix Multiplication</h2>
    <div class="field" style="max-width:200px; margin-bottom:1.25rem">
      <label>Matrix size</label>
      <select id="mat-size">
        <option value="2">2 × 2</option>
        <option value="3" selected>3 × 3</option>
        <option value="4">4 × 4</option>
      </select>
    </div>

    <div class="row" style="align-items:center; gap:1.5rem; flex-wrap:wrap">
      <div>
        <label>Matrix A</label>
        <div class="mat-grid" id="mat-a"></div>
      </div>

      <span class="muted" style="font-size:1.4rem">×</span>

      <div>
        <label>Matrix B</label>
        <div class="mat-grid" id="mat-b"></div>
      </div>

      <button class="primary" id="mat-btn" style="margin-bottom:1px">Multiply</button>

      <div id="mat-result-wrap" style="display:none">
        <label>Result C = A × B</label>
        <div class="mat-grid" id="mat-result"></div>
      </div>
    </div>
    <div class="output" id="mat-norm">—</div>
  </div>

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