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develop/doc/_sources/api/v2/config/layer.rst.txt

@@ -257,6 +257,11 @@ seq_concat
 ..  autoclass:: paddle.v2.layer.seq_concat
     :noindex:
 
+seq_slice
+---------
+..  autoclass:: paddle.v2.layer.seq_slice
+    :noindex:
+
 kmax_sequence_score
 -------------------
 ..  autoclass:: paddle.v2.layer.kmax_sequence_score

develop/doc/api/v2/config/layer.html

@@ -2143,6 +2143,54 @@ default Bias.</li>
 </table>
 </dd></dl>
 
+</div>
+<div class="section" id="seq-slice">
+<h3>seq_slice<a class="headerlink" href="#seq-slice" title="Permalink to this headline">¶</a></h3>
+<dl class="class">
+<dt>
+<em class="property">class </em><code class="descclassname">paddle.v2.layer.</code><code class="descname">seq_slice</code></dt>
+<dd><p>seq_slice will return one or several sub-sequences from the
+input sequence layer given start and end indices.</p>
+<blockquote>
+<div><ul class="simple">
+<li>If only start indices are given, and end indices are set to None,
+this layer slices the input sequence from the given start indices
+to its end.</li>
+<li>If only end indices are given, and start indices are set to None,
+this layer slices the input sequence from its beginning to the
+given end indices.</li>
+<li>If start and end indices are both given, they should have the same
+number of elements.</li>
+</ul>
+</div></blockquote>
+<p>If start or end indices contains more than one elements, the input sequence
+will be sliced for multiple times.</p>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="n">seq_silce</span> <span class="o">=</span> <span class="n">seq_slice</span><span class="p">(</span><span class="nb">input</span><span class="o">=</span><span class="n">input_seq</span><span class="p">,</span>
+                            <span class="n">starts</span><span class="o">=</span><span class="n">start_pos</span><span class="p">,</span> <span class="n">ends</span><span class="o">=</span><span class="n">end_pos</span><span class="p">)</span>
+</pre></div>
+</div>
+<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">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>name</strong> (<em>basestring</em>) &#8211; name of this layer.</li>
+<li><strong>input</strong> (<em>paddle.v2.config_base.Layer</em>) &#8211; input for this layer, it should be a sequence.</li>
+<li><strong>starts</strong> (<em>paddle.v2.config_base.Layer|None</em>) &#8211; start indices to slice the input sequence.</li>
+<li><strong>ends</strong> (<em>paddle.v2.config_base.Layer|None</em>) &#8211; end indices to slice the input sequence.</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">paddle.v2.config_base.Layer object.</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">paddle.v2.config_base.Layer</p>
+</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
 </div>
 <div class="section" id="kmax-sequence-score">
 <h3>kmax_sequence_score<a class="headerlink" href="#kmax-sequence-score" title="Permalink to this headline">¶</a></h3>

develop/doc_cn/_sources/api/v2/config/layer.rst.txt

@@ -257,6 +257,11 @@ seq_concat
 ..  autoclass:: paddle.v2.layer.seq_concat
     :noindex:
 
+seq_slice
+---------
+..  autoclass:: paddle.v2.layer.seq_slice
+    :noindex:
+
 kmax_sequence_score
 -------------------
 ..  autoclass:: paddle.v2.layer.kmax_sequence_score

develop/doc_cn/api/v2/config/layer.html

@@ -2148,6 +2148,54 @@ default Bias.</li>
 </table>
 </dd></dl>
 
+</div>
+<div class="section" id="seq-slice">
+<h3>seq_slice<a class="headerlink" href="#seq-slice" title="永久链接至标题">¶</a></h3>
+<dl class="class">
+<dt>
+<em class="property">class </em><code class="descclassname">paddle.v2.layer.</code><code class="descname">seq_slice</code></dt>
+<dd><p>seq_slice will return one or several sub-sequences from the
+input sequence layer given start and end indices.</p>
+<blockquote>
+<div><ul class="simple">
+<li>If only start indices are given, and end indices are set to None,
+this layer slices the input sequence from the given start indices
+to its end.</li>
+<li>If only end indices are given, and start indices are set to None,
+this layer slices the input sequence from its beginning to the
+given end indices.</li>
+<li>If start and end indices are both given, they should have the same
+number of elements.</li>
+</ul>
+</div></blockquote>
+<p>If start or end indices contains more than one elements, the input sequence
+will be sliced for multiple times.</p>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="n">seq_silce</span> <span class="o">=</span> <span class="n">seq_slice</span><span class="p">(</span><span class="nb">input</span><span class="o">=</span><span class="n">input_seq</span><span class="p">,</span>
+                            <span class="n">starts</span><span class="o">=</span><span class="n">start_pos</span><span class="p">,</span> <span class="n">ends</span><span class="o">=</span><span class="n">end_pos</span><span class="p">)</span>
+</pre></div>
+</div>
+<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">参数:</th><td class="field-body"><ul class="first simple">
+<li><strong>name</strong> (<em>basestring</em>) &#8211; name of this layer.</li>
+<li><strong>input</strong> (<em>paddle.v2.config_base.Layer</em>) &#8211; input for this layer, it should be a sequence.</li>
+<li><strong>starts</strong> (<em>paddle.v2.config_base.Layer|None</em>) &#8211; start indices to slice the input sequence.</li>
+<li><strong>ends</strong> (<em>paddle.v2.config_base.Layer|None</em>) &#8211; end indices to slice the input sequence.</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">返回:</th><td class="field-body"><p class="first">paddle.v2.config_base.Layer object.</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">返回类型:</th><td class="field-body"><p class="first last">paddle.v2.config_base.Layer</p>
+</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
 </div>
 <div class="section" id="kmax-sequence-score">
 <h3>kmax_sequence_score<a class="headerlink" href="#kmax-sequence-score" title="永久链接至标题">¶</a></h3>