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<h1><span class="yiyi-st" id="yiyi-13">numpy.ma.masked_equal</span></h1> <blockquote> <p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.ma.masked_equal.html">https://docs.scipy.org/doc/numpy/reference/generated/numpy.ma.masked_equal.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.ma.masked_equal"><span class="yiyi-st" id="yiyi-14"> <code class="descclassname">numpy.ma.</code><code class="descname">masked_equal</code><span class="sig-paren">(</span><em>x</em>, <em>value</em>, <em>copy=True</em><span class="sig-paren">)</span><a class="reference external" href="http://github.com/numpy/numpy/blob/v1.11.3/numpy/ma/core.py#L2052-L2079"><span class="viewcode-link">[source]</span></a></span></dt> <dd><p><span class="yiyi-st" id="yiyi-15">屏蔽等于给定值的数组。</span></p> <p><span class="yiyi-st" id="yiyi-16">此函数是<code class="docutils literal"><span class="pre">masked_where</span></code>的快捷方式，其中<em class="xref py py-obj">条件</em> =（x ==值）。</span><span class="yiyi-st" id="yiyi-17">对于浮点数组，请考虑使用<code class="docutils literal"><span class="pre">masked_values（x，</span> <span class="pre">值）</span></code>。</span></p> <div class="admonition seealso"> <p class="first admonition-title"><span class="yiyi-st" id="yiyi-18">也可以看看</span></p> <dl class="last docutils"> <dt><span class="yiyi-st" id="yiyi-19"><a class="reference internal" href="numpy.ma.masked_where.html#numpy.ma.masked_where" title="numpy.ma.masked_where"><code class="xref py py-obj docutils literal"><span class="pre">masked_where</span></code></a></span></dt> <dd><span class="yiyi-st" id="yiyi-20">满足条件的掩码。</span></dd> <dt><span class="yiyi-st" id="yiyi-21"><a class="reference internal" href="numpy.ma.masked_values.html#numpy.ma.masked_values" title="numpy.ma.masked_values"><code class="xref py py-obj docutils literal"><span class="pre">masked_values</span></code></a></span></dt> <dd><span class="yiyi-st" id="yiyi-22">使用浮点平等的掩码。</span></dd> </dl> </div> <p class="rubric"><span class="yiyi-st" id="yiyi-23">例子</span></p> <div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">numpy.ma</span> <span class="k">as</span> <span class="nn">ma</span> <span class="gp">>>> </span><span class="n">a</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">4</span><span class="p">)</span> <span class="gp">>>> </span><span class="n">a</span> <span class="go">array([0, 1, 2, 3])</span> <span class="gp">>>> </span><span class="n">ma</span><span class="o">.</span><span class="n">masked_equal</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span> <span class="go">masked_array(data = [0 1 -- 3],</span> <span class="go"> mask = [False False True False],</span> <span class="go"> fill_value=999999)</span> </pre></div> </div> </dd></dl>
