>(</span><span class="n">tnorm</span><span class="o">*</span><span class="n">omega</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">-</span><span class="n">phij</span><span class="p">)</span>

    <span class="n">dr</span> <span class="o">=</span> <span class="n">pd</span><span class="o">.</span><span class="n">date_range</span><span class="p">(</span><span class="s1">&#39;2000-01-01&#39;</span><span class="p">,</span> <span class="n">periods</span><span class="o