Memory Property of Grey Accumulation Generation Sequence

<figure class="figure-group responsive"><div class="sub-figure" id="a"><object data="https://static.hindawi.com/articles/complexity/volume-2019/9459038/figures/9459038.fig.003a.svgz" name="9459038.fig.003a" type="image/svg+xml"></object><div class="fig-label">(a) The AQI in Beijing</div></div><div class="sub-figure" id="b"><object data="https://static.hindawi.com/articles/complexity/volume-2019/9459038/figures/9459038.fig.003b.svgz" name="9459038.fig.003b" type="image/svg+xml"></object><div class="fig-label">(b) The 1-AGO of Beijing AQI</div></div><div class="sub-figure" id="c"><object data="https://static.hindawi.com/articles/complexity/volume-2019/9459038/figures/9459038.fig.003c.svgz" name="9459038.fig.003c" type="image/svg+xml"></object><div class="fig-label">(c) The AQI in Handan</div></div><div class="sub-figure" id="d"><object data="https://static.hindawi.com/articles/complexity/volume-2019/9459038/figures/9459038.fig.003d.svgz" name="9459038.fig.003d" type="image/svg+xml"></object><div class="fig-label">(d) The 1-AGO of Handan AQI</div></div><div class="sub-figure" id="e"><object data="https://static.hindawi.com/articles/complexity/volume-2019/9459038/figures/9459038.fig.003e.svgz" name="9459038.fig.003e" type="image/svg+xml"></object><div class="fig-label">(e) The AQI in Xingtai</div></div><div class="sub-figure" id="f"><object data="https://static.hindawi.com/articles/complexity/volume-2019/9459038/figures/9459038.fig.003f.svgz" name="9459038.fig.003f" type="image/svg+xml"></object><div class="fig-label">(f) The 1-AGO of Xingtai AQI</div></div></figure>

<p>The original AQI value and one-order accumulation value of three cities.</p>

Complexity

fig3

Figure 3

Figure 3: Memory Property of Grey Accumulation Generation Sequence 