='hljl-p'>(</span><span class='hljl-ni'>0</span><span class='hljl-p'>,</span><span class='hljl-ni'>1</span><span class='hljl-p'>))</span><span class='hljl-t'>
    </span><span class='hljl-n'>rfrac_noise</span><span class='hljl-t'> </span><span class='hljl-oB'>=</span><span class='hljl-t'> </span><span class='hljl-nf'>sqrt</span><span class='hljl-p'>(</span><span class='hljl-n'>rfrac</span><span class='hljl-p'>)</span><span class='hljl-oB'>*</span><span class='hljl-nf'>rand</span><span class='hljl-p'>(</span