为您找到相关结果201,371个
tensorflow中的梯度求解及梯度裁剪操作_python_脚本之家
1 2 3 optimizer = tf.train.GradientDescentOptimizer(learning_rate = 1.0) self.train_op = optimizer.minimize(self.cost) sess.run([train_op], feed_dict={x:data, y:labels}) 在这个过程中,调用minimize方法的时候,底层进行的工作包括: (1) 使用tf.optimizer.compute_gradients计算trainable_variables ...
www.jb51.net/article/2133...htm 2025-4-28
SQL Server实现全文搜索查询详解_Mysql_脚本之家
1 2 3 SELECT product_id FROM products WHERE CONTAINS(product_description, '"Snap Happy 100EZ"' OR FORMSOF(THESAURUS,'"Snap Happy"') OR '100EZ') AND product_cost < 200 ; (2)招聘方案 - 搜索具有使用 SQL Server 经验的求职者: 1 2 SELECT candidate_name,SSN FROM candidates WHERE CONT...
www.jb51.net/article/2798...htm 2025-4-25
python实现梯度下降算法的实例详解_python_脚本之家
'x2': [4, 3, 4, 2, 2, 2, 3, 4, 3, 2], 'y': [9.3, 4.8, 8.9, 6.5, 4.2, 6.2, 7.4, 6.0, 7.6, 6.1]}#初始化数据集 theta0, theta1, theta2 = symbols('theta0 theta1 theta2', real=True) # y=theta0+theta1*x1+theta2*x2,定义参数 costfuc = 0 * theta0 for i in...
www.jb51.net/article/1933...htm 2025-4-16
springboot 集成dubbo的步骤详解_java_脚本之家
2.2.5.编写产品接口的实现,并调用远程服务CostService 。 ProductServiceImpl.java 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 package com.dubbo.consumer.service.impl; import com.alibaba.dubbo.config.annotation.Reference; import com.dubbo.api.service.CostService; import com.dubbo...
www.jb51.net/article/2437...htm 2025-4-20
Python通过调用mysql存储过程实现更新数据功能示例_python_脚本之家
setmanage_cost_rate=0.0808, manage_cost=round(manage_cost*0.0808/0.052,3), left_amount=borrow_amount+interest_amount+manage_cost, next_amount_need=@m1 WHEREorder_no=t_order_no; end$$ delimiter; 3、python 调用mysql 中的存储过程 1
www.jb51.net/article/1376...htm 2025-4-8
详解MySQL数据类型DECIMAL(N,M)中N和M分别表示的含义_Mysql_脚本之家
3 rows in set (0.00 sec)继续插入一个小数部分不足两位的数字,可正确插入,且小数部分被自动补全到两位。1 2 3 4 5 6 7 8 9 10 11 12 13 mysql> insert into test_decimal(id,seller_cost) values(1,12.1); Query OK, 1 row affected (0.00 sec) mysql> select * from test_decimal; +---+...
www.jb51.net/article/1264...htm 2025-4-20