2018-12-18 22:56:58 +00:00
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2018-12-18 23:31:42 +00:00
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利用浏览器地址栏对函数作图
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2018-12-18 22:56:58 +00:00
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2019-01-24 23:31:13 +00:00
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2018-12-18 22:56:58 +00:00
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2019-03-26 00:29:28 +00:00
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2018-12-18 22:56:58 +00:00
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2019-01-24 23:31:13 +00:00
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2018-12-18 22:56:58 +00:00
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2019-01-24 09:50:57 +00:00
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2019-01-24 23:31:13 +00:00
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2019-03-26 00:29:28 +00:00
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2018-12-18 22:56:58 +00:00
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2019-01-24 23:31:13 +00:00
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2018-12-18 22:56:58 +00:00
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2019-01-24 23:31:13 +00:00
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2019-03-04 07:04:48 +00:00
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<ol class="toc"><li class="toc-item toc-level-4"><a class="toc-link" href="#安装gnuplot"><span class="toc-text">安装gnuplot</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#配置文件-sdcard-uweb-cmds-txt如下："><span class="toc-text">配置文件/sdcard/uweb/cmds.txt如下：</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#常见问题及诊断"><span class="toc-text">常见问题及诊断</span></a></li></ol>
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2019-01-24 23:31:13 +00:00
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2018-12-18 22:56:58 +00:00
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2018-12-18 22:56:58 +00:00
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利用浏览器地址栏对函数作图
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</div>
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2019-04-04 12:15:18 +00:00
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<span class="attr">Post：<span>2018-12-09 15:22:49</span></span>
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2018-12-18 22:56:58 +00:00
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2019-02-06 03:48:41 +00:00
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2018-12-18 22:56:58 +00:00
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<div class="post-content ">
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2019-03-04 07:04:48 +00:00
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<p>使用Android端<a href="..">uweb浏览器</a>。<br>Termux提供了方便的软件包管理系统，缺省的uWeb地址栏功能配置需用到作图软件gnuplot。</p>
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2019-03-01 07:53:11 +00:00
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<h4 id="安装gnuplot"><a href="#安装gnuplot" class="headerlink" title="安装gnuplot"></a>安装gnuplot</h4><ul><br><li>安装<a href="https://www.wocloud.com.cn/webclient/share/sindex.action?id=1p00SB1kA2JpoBce2QHhbgmbxuq0yhuZAjUZYCZyVGCLivSf0dTfmw==" target="_blank" rel="noopener">uweb定制Termux应用</a></li><br><li>Termux下运行以下命令：<br>apt update<br>apt upgrade<br>apt install gnuplot</li><br></ul>
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2018-12-18 22:56:58 +00:00
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<h4 id="配置文件-sdcard-uweb-cmds-txt如下："><a href="#配置文件-sdcard-uweb-cmds-txt如下：" class="headerlink" title="配置文件/sdcard/uweb/cmds.txt如下："></a>配置文件/sdcard/uweb/cmds.txt如下：</h4><p>命令:text/plain:%s<br>函数作图:image/svg+xml:gnuplot -e ‘set term svg;set output; plot %s’<br>函数作图(3d):image/svg+xml:gnuplot -e ‘set term svg;set output; splot %s’<br>超级计算器:text/html:echo “%s”|bc -l -q</p>
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<p>长按uweb浏览器底部工具条刷新按钮弹出地址栏功能选择，选择“函数作图”，地址栏内输入函数如sin(x)**5就可显示函数图案。</p>
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2019-03-04 07:04:48 +00:00
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<h4 id="常见问题及诊断"><a href="#常见问题及诊断" class="headerlink" title="常见问题及诊断"></a>常见问题及诊断</h4><ul>
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<li>确保gnuplot正确安装，在Termux提示符下，敲入gnuplot,然后回车，保证出现”gnuplot>”。</li>
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2019-03-04 07:06:07 +00:00
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<li>确保gnuplot正常运行, 在Termux提示符下，执行下面命令：<br><code>gnuplot -e ‘set term svg;set output; plot x’</code><br>屏幕输出应该为正常的svg文件（类似html文本）。</li>
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2019-03-04 07:04:48 +00:00
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<li>Termux应为uweb定制包，否则有一堆设定需要修改。</li>
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<li>超微浏览器下长按窗口管理按钮，勾选“标准错误输出”。再次在地址栏执行画图操作，此时浏览器会显示出错信息。</li>
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2019-03-04 07:15:13 +00:00
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<li>为保证地址栏输入函数符合gnuplot规范，首个测试函数建议为”x”，即整个地址栏内输入为”x”。</li>
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2019-03-04 07:04:48 +00:00
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</ul>
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2018-12-18 22:56:58 +00:00
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