e="math/tex">y(6) = y(5) + 0.125 = 7*0.125 = 0.875</script>
</li>
<li>
<script type="math/tex">y(7) = y(6) + 0.125 = 8*0.125 = 1,000</script>
</li>
<li>
<script type="math/tex">y(8) = y(7) + 0.125 = 9*0.125 = 1.125</script>
</li>
<li>...</li>
</ul>
<h3 id="example-2-a-phase-signal">Example 2: a phase signal</h3>
<p>How do I turn the above ramp into a sawtooth signal? By deleting the whole part of the samples in order to keep only the decimal part: <script type="math/tex">3.14159\rightarrow 0.14159</script>.