<divclass="platform-hinted "data-platform-hinted="data-platform-hinted"><divclass="content sourceset-dependent-content"data-active=""data-togglable=":kmath-for-real:dokkaHtmlPartial/commonMain"><divclass="symbol monospace"><spanclass="token keyword">operator </span><spanclass="token keyword">fun </span><spanclass="token punctuation">(</span><spanclass="token keyword"></span><ahref="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html">Double</a><spanclass="token punctuation">)</span><spanclass="token operator"> -></span><spanclass="token keyword"></span><ahref="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html">Double</a><spanclass="token punctuation">.</span><ahref="invoke.html"><spanclass="token function">invoke</span></a><spanclass="token punctuation">(</span><spanclass="parameters "><spanclass="parameter ">elementND<spanclass="token operator">: </span><ahref="../../kmath-core/space.kscience.kmath.nd/-buffer-n-d/index.html">BufferND</a><spanclass="token operator"><</span><spanclass="token keyword"></span><ahref="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html">Double</a><spanclass="token operator">></span></span></span><spanclass="token punctuation">)</span><spanclass="token operator">: </span><ahref="../../kmath-core/space.kscience.kmath.nd/-buffer-n-d/index.html">BufferND</a><spanclass="token operator"><</span><spanclass="token keyword"></span><ahref="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html">Double</a><spanclass="token operator">></span><spanclass="clearfix"><spanclass="floating-right">(<ahref="https://github.com/SciProgCentre/kmath/tree/master/kmath-for-real/src/commonMain/kotlin/space/kscience/kmath/real/realND.kt#L23">source</a>)</span></span></div><pclass="paragraph">Element by element application of any operation on elements to the whole array. Just like in numpy.</p></div></div>