routines.html

<span id="id1"></span><h1><span class="yiyi-st" id="yiyi-10">Routines</span></h1>
        <blockquote>
        <p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/routines.html">https://docs.scipy.org/doc/numpy/reference/routines.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>
    
<p><span class="yiyi-st" id="yiyi-11">在本章中，提供了常规docstrings，按功能分组。</span><span class="yiyi-st" id="yiyi-12">许多docstrings包含示例代码，它演示了例程的基本用法。</span><span class="yiyi-st" id="yiyi-13">示例假设NumPy导入：</span></p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
</pre></div>
</div>
<p><span class="yiyi-st" id="yiyi-14">执行示例的一种方便的方法是IPython的<code class="docutils literal"><span class="pre">%doctest_mode</span></code>模式，它允许粘贴多行示例并保留缩进。</span></p>
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<li class="toctree-l2"><span class="yiyi-st" id="yiyi-15"><a class="reference internal" href="routines.array-creation.html#ones-and-zeros">和零</a></span></li>
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<li class="toctree-l2"><span class="yiyi-st" id="yiyi-17"><a class="reference internal" href="routines.array-creation.html#creating-record-arrays-numpy-rec">创建记录数组（<code class="docutils literal"><span class="pre">numpy.rec</span></code>）</a></span></li>
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<li class="toctree-l2"><span class="yiyi-st" id="yiyi-19"><a class="reference internal" href="routines.array-creation.html#numerical-ranges">数值范围</a></span></li>
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<li class="toctree-l2"><span class="yiyi-st" id="yiyi-57"><a class="reference internal" href="routines.dual.html#linear-algebra">线性代数</a></span></li>
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<li class="toctree-l1"><span class="yiyi-st" id="yiyi-76"><a class="reference internal" href="routines.fft.html">离散傅里叶变换（<code class="docutils literal"><span class="pre">numpy.fft</span></code>）</a></span><ul>
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<li class="toctree-l1"><span class="yiyi-st" id="yiyi-92"><a class="reference internal" href="routines.indexing.html">索引例程</a></span><ul>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-88"><a class="reference internal" href="routines.indexing.html#generating-index-arrays">生成索引数组</a></span></li>
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<li class="toctree-l1"><span class="yiyi-st" id="yiyi-101"><a class="reference internal" href="routines.io.html">输入和输出</a></span><ul>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-93"><a class="reference internal" href="routines.io.html#numpy-binary-files-npy-npz">NumPy二进制文件（NPY，NPZ）</a></span></li>
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<li class="toctree-l2"><span class="yiyi-st" id="yiyi-96"><a class="reference internal" href="routines.io.html#string-formatting">字符串格式</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-97"><a class="reference internal" href="routines.io.html#memory-mapping-files">内存映射文件</a></span></li>
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<li class="toctree-l2"><span class="yiyi-st" id="yiyi-99"><a class="reference internal" href="routines.io.html#base-n-representations">Base-n表示</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-100"><a class="reference internal" href="routines.io.html#data-sources">数据源</a></span></li>
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<li class="toctree-l1"><span class="yiyi-st" id="yiyi-109"><a class="reference internal" href="routines.linalg.html">线性代数（<code class="docutils literal"><span class="pre">numpy.linalg</span></code>）</a></span><ul>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-102"><a class="reference internal" href="routines.linalg.html#matrix-and-vector-products">矩阵和向量产品</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-103"><a class="reference internal" href="routines.linalg.html#decompositions">分解</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-104"><a class="reference internal" href="routines.linalg.html#matrix-eigenvalues">矩阵特征值</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-105"><a class="reference internal" href="routines.linalg.html#norms-and-other-numbers">规范和其他数字</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-106"><a class="reference internal" href="routines.linalg.html#solving-equations-and-inverting-matrices">求解方程和求逆矩阵</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-107"><a class="reference internal" href="routines.linalg.html#exceptions">例外</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-108"><a class="reference internal" href="routines.linalg.html#linear-algebra-on-several-matrices-at-once">一次在多个矩阵上的线性代数</a></span></li>
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<li class="toctree-l1"><span class="yiyi-st" id="yiyi-115"><a class="reference internal" href="routines.logic.html">逻辑功能</a></span><ul>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-110"><a class="reference internal" href="routines.logic.html#truth-value-testing">真值测试</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-111"><a class="reference internal" href="routines.logic.html#array-contents">数组内容</a></span></li>
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<li class="toctree-l2"><span class="yiyi-st" id="yiyi-113"><a class="reference internal" href="routines.logic.html#logical-operations">逻辑运算</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-114"><a class="reference internal" href="routines.logic.html#comparison">比较</a></span></li>
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<li class="toctree-l1"><span class="yiyi-st" id="yiyi-123"><a class="reference internal" href="routines.ma.html">屏蔽数组操作</a></span><ul>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-116"><a class="reference internal" href="routines.ma.html#constants">常量</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-117"><a class="reference internal" href="routines.ma.html#creation">创建</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-118"><a class="reference internal" href="routines.ma.html#inspecting-the-array">检查数组</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-119"><a class="reference internal" href="routines.ma.html#manipulating-a-maskedarray">操作MaskedArray</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-120"><a class="reference internal" href="routines.ma.html#operations-on-masks">面罩操作</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-121"><a class="reference internal" href="routines.ma.html#conversion-operations">转换操作</a></span></li>
<li class="toctree-l2"><span class="yiyi-st" id="yiyi-122"><a class="reference internal" href="routines.ma.html#masked-arrays-arithmetics">掩蔽数组算术</a></span></li>
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<li class="toctree-l1"><span class="yiyi-st" id="yiyi-134"><a class="reference internal" href="routines.math.html">数学函数</a></span><ul>
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