<divclass="platform-hinted "data-platform-hinted="data-platform-hinted"><divclass="content sourceset-dependent-content"data-active=""data-togglable=":kmath-core:dokkaHtmlPartial/commonMain"><divclass="symbol monospace"><spanclass="token keyword">open </span><spanclass="token keyword">override </span><spanclass="token keyword">fun </span><ahref="power.html"><spanclass="token function">power</span></a><spanclass="token punctuation">(</span><spanclass="parameters "><spanclass="parameter ">arg<spanclass="token operator">: </span><ahref="../-expression/index.html">Expression</a><spanclass="token operator"><</span><spanclass="token keyword"></span><ahref="index.html">T</a><spanclass="token operator">></span><spanclass="token punctuation">, </span></span><spanclass="parameter ">pow<spanclass="token operator">: </span><ahref="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-number/index.html">Number</a></span></span><spanclass="token punctuation">)</span><spanclass="token operator">: </span><ahref="../-expression/index.html">Expression</a><spanclass="token operator"><</span><spanclass="token keyword"></span><ahref="index.html">T</a><spanclass="token operator">></span><spanclass="clearfix"><spanclass="floating-right">(<ahref="https://github.com/SciProgCentre/kmath/tree/master/kmath-core/src/commonMain/kotlin/space/kscience/kmath/expressions/FunctionalExpressionAlgebra.kt#L153">source</a>)</span></span></div><pclass="paragraph">Raises <ahref="power.html">arg</a> to a power if possible (negative number could not be raised to a fractional power). Throws <ahref="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-illegal-argument-exception/index.html">IllegalArgumentException</a> if not possible.</p></div></div>