 src="chapter15_05.png" alt=""> <h2>&#23545;&#20110;Low&#30340;&#22238;&#24402;&#39044;&#27979;&#32467;&#26524;&#20998;&#26512;<a name="6"></a></h2><pre class="codeinput">figure;
hold <span class="string">on</span>;
plot(Low,<span class="string">'b+'</span>);
plot(low_predict,<span class="string">'r*'</span>);
legend(<span class="string">'original low'</span>,<span class="string">'predict low'</span>,2);
title(<span class="string">'original vs predict'</span>,<span class="string">'FontSize'</span>,12);
grid