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<h1><span class="yiyi-st" id="yiyi-12">numpy.isscalar</span></h1> <blockquote> <p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.isscalar.html">https://docs.scipy.org/doc/numpy/reference/generated/numpy.isscalar.html</a></p> <p>译者：<a href="https://github.com/wizardforcel">飞龙</a> <a href="http://usyiyi.cn/">UsyiyiCN</a></p> <p>校对：（虚位以待）</p> </blockquote> <dl class="function"> <dt id="numpy.isscalar"><span class="yiyi-st" id="yiyi-13"> <code class="descclassname">numpy.</code><code class="descname">isscalar</code><span class="sig-paren">(</span><em>num</em><span class="sig-paren">)</span><a class="reference external" href="http://github.com/numpy/numpy/blob/v1.11.3/numpy/core/numeric.py#L2064-L2091"><span class="viewcode-link">[source]</span></a></span></dt> <dd><p><span class="yiyi-st" id="yiyi-14">如果<em class="xref py py-obj">num</em>的类型是标量类型，则返回True。</span></p> <table class="docutils field-list" frame="void" rules="none"> <col class="field-name"> <col class="field-body"> <tbody valign="top"> <tr class="field-odd field"><th class="field-name"><span class="yiyi-st" id="yiyi-15">参数：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-16"><strong>num</strong>：any</span></p> <blockquote> <div><p><span class="yiyi-st" id="yiyi-17">输入参数，可以是任何类型和形状。</span></p> </div></blockquote> </td> </tr> <tr class="field-even field"><th class="field-name"><span class="yiyi-st" id="yiyi-18">返回：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-19"><strong>val</strong>：bool</span></p> <blockquote class="last"> <div><p><span class="yiyi-st" id="yiyi-20">如果<em class="xref py py-obj">num</em>是标量类型，则为True，否则为False。</span></p> </div></blockquote> </td> </tr> </tbody> </table> <p class="rubric"><span class="yiyi-st" id="yiyi-21">例子</span></p> <div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">isscalar</span><span class="p">(</span><span class="mf">3.1</span><span class="p">)</span> <span class="go">True</span> <span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">isscalar</span><span class="p">([</span><span class="mf">3.1</span><span class="p">])</span> <span class="go">False</span> <span class="gp">>>> </span><span class="n">np</span><span class="o">.</span><span class="n">isscalar</span><span class="p">(</span><span class="kc">False</span><span class="p">)</span> <span class="go">True</span> </pre></div> </div> </dd></dl>
