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Python+Matplotlib绘制一颗激动的心

  • 2026-02-26 08:33:05
Python+Matplotlib绘制一颗激动的心
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==============

推荐教材：
董付国.《Python算法设计、实现、优化与应用（微课版·在线学习软件版）》（ISBN：978-7-302-68606-4），清华大学出版社，定价79元，2025年5月出版
配套资源：授课计划、教学课件、例题源码、微课视频、数据文件、电子教案、在线练习软件
《Python算法设计、实现、优化与应用》教学大纲
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《Python算法设计、实现、优化与应用》265道章节习题参考答案（53页）
=================
问题描述：
编写Python程序，使用Matplotlib绘制折线图展示函数图像，随着参数变化，函数图像逐渐逼近一个心形。
参考代码：
运行效果：

=================

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  1. CONNECT:[ UseTime:0.000765s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001492s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000684s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000691s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001403s ]
  6. SELECT * FROM `set` [ RunTime:0.000565s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001460s ]
  8. SELECT * FROM `article` WHERE `id` = 476023 LIMIT 1 [ RunTime:0.000928s ]
  9. UPDATE `article` SET `lasttime` = 1772298937 WHERE `id` = 476023 [ RunTime:0.001814s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000612s ]
  11. SELECT * FROM `article` WHERE `id` < 476023 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001230s ]
  12. SELECT * FROM `article` WHERE `id` > 476023 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001076s ]
  13. SELECT * FROM `article` WHERE `id` < 476023 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003380s ]
  14. SELECT * FROM `article` WHERE `id` < 476023 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003753s ]
  15. SELECT * FROM `article` WHERE `id` < 476023 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002992s ]
0.187745s