Love Is Just a Thread 爱只是一根线

本文讲述了一个关于父母间爱情的故事。作者通过观察父母的生活细节,尤其是母亲在为生病的父亲缝制被子时的一番话,逐渐理解了他们之间深沉而内敛的爱情。这段经历让作者认识到,真正的爱情如同缝纫被子的线,虽然不显眼,却让生活变得坚固而温暖。
  Sometimes I really doubt whether there is love between my parents. Every day they are very busy trying to earn money in order to pay the high tuition for my brother and me. They don’t act in the romantic ways that I read in books or I see on TV. In their opinion,“I love you”is too luxurious for them to say. Sending flowers to each other on Valentine’s Day is even more out of the question. Finally my father has a bad temper. When he’s very tired from the hard work, it is easy for him to lose his temper.

  One day, my mother was sewing a quilt. I silently sat down beside her and looked at her.

  “Mom, I have a question to ask you,”I said after a while.

  “What?”she replied, still doing her work.

  “Is there love between you and Dad?”I asked her in a very low voice.

  My mother stopped her work and raised her head with surprise in her eyes. She didn’t answer immediately. Then she bowed her head and continued to sew the quilt.

  I was very worried because I thought I had hurt her. I was in a great embarrassment and I didn’t know what I should do. But at last I heard my mother say the following words:
  “Susan,”she said thoughtfully,“Look at this thread. Sometimes it appears, but most of it disappears in the quilt. The thread really makes the quilt strong and durable. If life is a quilt, then love should be a thread. It can hardly be seen anywhere or anytime, but it’s really there. Love is inside.”

  I listened carefully but I couldn’t understand her until the next spring. At that time, my father suddenly got sick seriously. My mother had to stay with him in the hospital for a month. When they returned from the hospital, they both looked very pale. It seemed both of them had had a serious illness.

  After they were back, every day in the morning and dusk, my mother helped my father walk slowly on the country road. My father had never been so gentle. It seemed they were the most harmonious couple. Along the country road, there were many beautiful flowers, green grass and trees. The sun gently glistened through the leaves. All of these made up the most beautiful picture in the world.

  The doctor had said my father would recover in two months. But after two months he still couldn’t walk by himself. All of us were worried about him.

  “Dad, how are you feeling now?”I asked him one day.

  “Susan, don’t worry about me.”he said gently.“To tell you the truth, I just like walking with your mom. I like this kind of life.”Reading his eyes, I know he loves my mother deeply.

  Once I thought love meant flowers, gifts and sweet kisses. But from this experience, I understand that love is just a thread in the quilt of our life. Love is inside, making life strong and warm...
MATLAB代码实现了一个基于多种智能优化算法优化RBF神经网络的回归预测模型,其核心是通过智能优化算法自动寻找最优的RBF扩展参数(spread),以提升预测精度。 1.主要功能 多算法优化RBF网络:使用多种智能优化算法优化RBF神经网络的核心参数spread。 回归预测:对输入特征进行回归预测,适用于连续值输出问题。 性能对比:对比不同优化算法在训练集和测试集上的预测性能,绘制适应度曲线、预测对比图、误差指标柱状图等。 2.算法步骤 数据准备:导入数据,随机打乱,划分训练集和测试集(默认7:3)。 数据归一化:使用mapminmax将输入和输出归一化到[0,1]区间。 标准RBF建模:使用固定spread=100建立基准RBF模型。 智能优化循环: 调用优化算法(从指定文件夹中读取算法文件)优化spread参数。 使用优化后的spread重新训练RBF网络。 评估预测结果,保存性能指标。 结果可视化: 绘制适应度曲线、训练集/测试集预测对比图。 绘制误差指标(MAE、RMSE、MAPE、MBE)柱状图。 十种智能优化算法分别是: GWO:灰狼算法 HBA:蜜獾算法 IAO:改进天鹰优化算法,改进①:Tent混沌映射种群初始化,改进②:自适应权重 MFO:飞蛾扑火算法 MPA:海洋捕食者算法 NGO:北方苍鹰算法 OOA:鱼鹰优化算法 RTH:红尾鹰算法 WOA:鲸鱼算法 ZOA:斑马算法
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