election = np.isfinite(self.y) # We are looking for the bounds of the plottable data set. Infinite and Nan are ignored. TypeError: ufunc 'isfinite' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe'' Traceback (most recent call last):
时间: 2024-04-26 11:23:42 浏览: 7
这个错误通常表示您在使用NumPy的`isfinite()`函数时,输入的数据类型不被支持,或者无法安全地强制转换为支持的类型。这可能是由于数据类型不一致或数据中包含无效值(例如NaN或Infinity)导致的。
您可以尝试使用`numpy.isnan()`或`numpy.isinf()`函数来检查NaN和无穷大值,而不是使用`numpy.isfinite()`函数。另外,您也可以尝试强制转换数据类型或者使用其他数据预处理技术来解决这个问题。
相关问题
SELECT sch.id, cname, tname, status," . "(SELECT COUNT(*) FROM election WHERE id = sch.id) num" . "FROM schedule sch, course c, teacher t WHERE sch.cn = c.cn " . "AND sch.tn = t.tn AND dept = '$dept' AND term = '$term'
这是一条 SQL 查询语句,用于从数据库中获取与指定部门和学期相关的课程计划信息。该查询语句联结了三个表:schedule、course和teacher,通过它们的关联字段进行联结。查询结果包含课程计划的id、课程名称、教师姓名、状态和选课人数。其中,选课人数是通过子查询语句实现的,该语句统计了与课程计划id相关的选课记录数。
The list of servers that constitute the quorum must be in format. OAserverid=port1,port2 OBserverid=host,host,host ocserverid=host:port, host:port Odserverid=host:port:port
The list of servers that constitute the quorum must be in the following format:
```
serverid=host:port:port
```
where `serverid` is a unique identifier for each server in the quorum, `host` is the host name or IP address of the server, and `port:port` specifies the client port and election port for the server.
For example:
```
server1=192.168.1.1:2888:3888
server2=192.168.1.2:2888:3888
server3=192.168.1.3:2888:3888
```
This specifies a quorum of three servers with IDs `server1`, `server2`, and `server3`, each with their own IP address and port numbers for client and election communication.