hmatex">\(16\times16\)</span> pixels.</p>
</details>
<details class="done"><summary>Soln. 13.4</summary><p>(a) In this representation, <span class="arithmatex">\(c\)</span> accounts for location shifts, <span class="arithmatex">\(x_0\)</span> is the center of rotation, scaling and shear and <span class="arithmatex">\(\bb{A}\in \mathbb{R}^{2\times 2}\)</span> is a transformation matrix with QR decomposition <span class="arithmatex">\(\bb{A}=R(\theta)T\)</span>, where <span class="arithmatex">\(R\)</span> is 