                         <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></pre>
<div class="block">Interpolate value and first derivatives at a specified abscissa.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>x</code> - interpolation abscissa</dd><dd><code>order</code> - maximum derivation order</dd>
<dt><span class="strong">Returns:</span></dt><dd>interpolated value 