forked from apachecn/numpy-doc-zh
-
Notifications
You must be signed in to change notification settings - Fork 1
/
routines.polynomials.polynomial.html
162 lines (160 loc) · 14.5 KB
/
routines.polynomials.polynomial.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
<h1><span class="yiyi-st" id="yiyi-21">Polynomial Module (<code class="xref py py-mod docutils literal"><span class="pre">numpy.polynomial.polynomial</span></code>)</span></h1>
<blockquote>
<p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/routines.polynomials.polynomial.html">https://docs.scipy.org/doc/numpy/reference/routines.polynomials.polynomial.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>
<div class="versionadded">
<p><span class="yiyi-st" id="yiyi-22"><span class="versionmodified">版本1.4.0中的新功能。</span></span></p>
</div>
<p><span class="yiyi-st" id="yiyi-23">该模块提供了许多对于处理多项式序列有用的对象（主要是函数），包括封装了通常的算术运算的<a class="reference internal" href="generated/numpy.polynomial.polynomial.Polynomial.html#numpy.polynomial.polynomial.Polynomial" title="numpy.polynomial.polynomial.Polynomial"><code class="xref py py-obj docutils literal"><span class="pre">Polynomial</span></code></a>类。</span><span class="yiyi-st" id="yiyi-24">（关于此模块如何表示和使用这样的多项式的一般信息在其“父”子包的文档字符串中，<code class="xref py py-obj docutils literal"><span class="pre">numpy.polynomial</span></code>）。</span></p>
<div class="section" id="polynomial-class">
<h2><span class="yiyi-st" id="yiyi-25">Polynomial Class</span></h2>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%">
<col width="90%">
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-26"><a class="reference internal" href="generated/numpy.polynomial.polynomial.Polynomial.html#numpy.polynomial.polynomial.Polynomial" title="numpy.polynomial.polynomial.Polynomial"><code class="xref py py-obj docutils literal"><span class="pre">Polynomial</span></code></a>（coef [，domain，window]）</span></td>
<td><span class="yiyi-st" id="yiyi-27">功率级类。</span></td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="basics">
<h2><span class="yiyi-st" id="yiyi-28">Basics</span></h2>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%">
<col width="90%">
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-29"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyval.html#numpy.polynomial.polynomial.polyval" title="numpy.polynomial.polynomial.polyval"><code class="xref py py-obj docutils literal"><span class="pre">polyval</span></code></a>（x，c [，张量]）</span></td>
<td><span class="yiyi-st" id="yiyi-30">在点x处评估多项式。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-31"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyval2d.html#numpy.polynomial.polynomial.polyval2d" title="numpy.polynomial.polynomial.polyval2d"><code class="xref py py-obj docutils literal"><span class="pre">polyval2d</span></code></a>（x，y，c）</span></td>
<td><span class="yiyi-st" id="yiyi-32">在点（x，y）评估2-D多项式。</span></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-33"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyval3d.html#numpy.polynomial.polynomial.polyval3d" title="numpy.polynomial.polynomial.polyval3d"><code class="xref py py-obj docutils literal"><span class="pre">polyval3d</span></code></a>（x，y，z，c）</span></td>
<td><span class="yiyi-st" id="yiyi-34">在点（x，y，z）评估3-D多项式。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-35"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polygrid2d.html#numpy.polynomial.polynomial.polygrid2d" title="numpy.polynomial.polynomial.polygrid2d"><code class="xref py py-obj docutils literal"><span class="pre">polygrid2d</span></code></a>（x，y，c）</span></td>
<td><span class="yiyi-st" id="yiyi-36">在x和y的笛卡尔乘积上评估2-D多项式。</span></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-37"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polygrid3d.html#numpy.polynomial.polynomial.polygrid3d" title="numpy.polynomial.polynomial.polygrid3d"><code class="xref py py-obj docutils literal"><span class="pre">polygrid3d</span></code></a>（x，y，z，c）</span></td>
<td><span class="yiyi-st" id="yiyi-38">在x，y和z的笛卡尔乘积上评估3-D多项式。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-39"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyroots.html#numpy.polynomial.polynomial.polyroots" title="numpy.polynomial.polynomial.polyroots"><code class="xref py py-obj docutils literal"><span class="pre">polyroots</span></code></a>（c）</span></td>
<td><span class="yiyi-st" id="yiyi-40">计算多项式的根。</span></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-41"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyfromroots.html#numpy.polynomial.polynomial.polyfromroots" title="numpy.polynomial.polynomial.polyfromroots"><code class="xref py py-obj docutils literal"><span class="pre">polyfromroots</span></code></a>（根）</span></td>
<td><span class="yiyi-st" id="yiyi-42">生成具有给定根的monic多项式。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-43"><code class="xref py py-obj docutils literal"><span class="pre">polyvalfromroots</span></code></span></td>
<td></td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="fitting">
<h2><span class="yiyi-st" id="yiyi-44">Fitting</span></h2>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%">
<col width="90%">
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-45"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyfit.html#numpy.polynomial.polynomial.polyfit" title="numpy.polynomial.polynomial.polyfit"><code class="xref py py-obj docutils literal"><span class="pre">polyfit</span></code></a>（x，y，deg [，rcond，full，w]）</span></td>
<td><span class="yiyi-st" id="yiyi-46">多项式与数据的最小二乘拟合。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-47"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyvander.html#numpy.polynomial.polynomial.polyvander" title="numpy.polynomial.polynomial.polyvander"><code class="xref py py-obj docutils literal"><span class="pre">polyvander</span></code></a>（x，deg）</span></td>
<td><span class="yiyi-st" id="yiyi-48">给定程度的Vandermonde矩阵。</span></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-49"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyvander2d.html#numpy.polynomial.polynomial.polyvander2d" title="numpy.polynomial.polynomial.polyvander2d"><code class="xref py py-obj docutils literal"><span class="pre">polyvander2d</span></code></a>（x，y，deg）</span></td>
<td><span class="yiyi-st" id="yiyi-50">给定度的伪Vandermonde矩阵。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-51"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyvander3d.html#numpy.polynomial.polynomial.polyvander3d" title="numpy.polynomial.polynomial.polyvander3d"><code class="xref py py-obj docutils literal"><span class="pre">polyvander3d</span></code></a>（x，y，z，deg）</span></td>
<td><span class="yiyi-st" id="yiyi-52">给定度的伪Vandermonde矩阵。</span></td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="calculus">
<h2><span class="yiyi-st" id="yiyi-53">Calculus</span></h2>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%">
<col width="90%">
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-54"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyder.html#numpy.polynomial.polynomial.polyder" title="numpy.polynomial.polynomial.polyder"><code class="xref py py-obj docutils literal"><span class="pre">polyder</span></code></a>（c [，m，scl，axis]）</span></td>
<td><span class="yiyi-st" id="yiyi-55">区分多项式。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-56"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyint.html#numpy.polynomial.polynomial.polyint" title="numpy.polynomial.polynomial.polyint"><code class="xref py py-obj docutils literal"><span class="pre">polyint</span></code></a>（c [，m，k，lbnd，scl，axis]）</span></td>
<td><span class="yiyi-st" id="yiyi-57">积分多项式。</span></td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="algebra">
<h2><span class="yiyi-st" id="yiyi-58">Algebra</span></h2>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%">
<col width="90%">
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-59"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyadd.html#numpy.polynomial.polynomial.polyadd" title="numpy.polynomial.polynomial.polyadd"><code class="xref py py-obj docutils literal"><span class="pre">polyadd</span></code></a>（c1，c2）</span></td>
<td><span class="yiyi-st" id="yiyi-60">向另一个多项式添加一个多项式。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-61"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polysub.html#numpy.polynomial.polynomial.polysub" title="numpy.polynomial.polynomial.polysub"><code class="xref py py-obj docutils literal"><span class="pre">polysub</span></code></a>（c1，c2）</span></td>
<td><span class="yiyi-st" id="yiyi-62">从另一个中减去一个多项式。</span></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-63"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polymul.html#numpy.polynomial.polynomial.polymul" title="numpy.polynomial.polynomial.polymul"><code class="xref py py-obj docutils literal"><span class="pre">polymul</span></code></a>（c1，c2）</span></td>
<td><span class="yiyi-st" id="yiyi-64">将一个多项式乘以另一个。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-65"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polymulx.html#numpy.polynomial.polynomial.polymulx" title="numpy.polynomial.polynomial.polymulx"><code class="xref py py-obj docutils literal"><span class="pre">polymulx</span></code></a>（c）</span></td>
<td><span class="yiyi-st" id="yiyi-66">将多项式乘以x。</span></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-67"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polydiv.html#numpy.polynomial.polynomial.polydiv" title="numpy.polynomial.polynomial.polydiv"><code class="xref py py-obj docutils literal"><span class="pre">polydiv</span></code></a>（c1，c2）</span></td>
<td><span class="yiyi-st" id="yiyi-68">将一个多项式除以另一个多项式。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-69"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polypow.html#numpy.polynomial.polynomial.polypow" title="numpy.polynomial.polynomial.polypow"><code class="xref py py-obj docutils literal"><span class="pre">polypow</span></code></a>（c，pow [，maxpower]）</span></td>
<td><span class="yiyi-st" id="yiyi-70">将多项式提升为幂。</span></td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="miscellaneous">
<h2><span class="yiyi-st" id="yiyi-71">Miscellaneous</span></h2>
<table border="1" class="longtable docutils">
<colgroup>
<col width="10%">
<col width="90%">
</colgroup>
<tbody valign="top">
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-72"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polycompanion.html#numpy.polynomial.polynomial.polycompanion" title="numpy.polynomial.polynomial.polycompanion"><code class="xref py py-obj docutils literal"><span class="pre">polycompanion</span></code></a>（c）</span></td>
<td><span class="yiyi-st" id="yiyi-73">返回c的伴随矩阵。</span></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-74"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polydomain.html#numpy.polynomial.polynomial.polydomain" title="numpy.polynomial.polynomial.polydomain"><code class="xref py py-obj docutils literal"><span class="pre">polydomain</span></code></a></span></td>
<td></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-75"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyzero.html#numpy.polynomial.polynomial.polyzero" title="numpy.polynomial.polynomial.polyzero"><code class="xref py py-obj docutils literal"><span class="pre">polyzero</span></code></a></span></td>
<td></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-76"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyone.html#numpy.polynomial.polynomial.polyone" title="numpy.polynomial.polynomial.polyone"><code class="xref py py-obj docutils literal"><span class="pre">polyone</span></code></a></span></td>
<td></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-77"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyx.html#numpy.polynomial.polynomial.polyx" title="numpy.polynomial.polynomial.polyx"><code class="xref py py-obj docutils literal"><span class="pre">polyx</span></code></a></span></td>
<td></td>
</tr>
<tr class="row-even"><td><span class="yiyi-st" id="yiyi-78"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polytrim.html#numpy.polynomial.polynomial.polytrim" title="numpy.polynomial.polynomial.polytrim"><code class="xref py py-obj docutils literal"><span class="pre">polytrim</span></code></a>（c [，tol]）</span></td>
<td><span class="yiyi-st" id="yiyi-79">从多项式中删除“小”“拖尾”系数。</span></td>
</tr>
<tr class="row-odd"><td><span class="yiyi-st" id="yiyi-80"><a class="reference internal" href="generated/numpy.polynomial.polynomial.polyline.html#numpy.polynomial.polynomial.polyline" title="numpy.polynomial.polynomial.polyline"><code class="xref py py-obj docutils literal"><span class="pre">polyline</span></code></a>（off，scl）</span></td>
<td><span class="yiyi-st" id="yiyi-81">返回表示线性多项式的数组。</span></td>
</tr>
</tbody>
</table>
</div>