默默的潜行者

ERROR: Could not find a version that satisfies the requirement grpcio>=1.8.6 (from tensorflow==1.13.1) (from versions: none)ERROR: No matching distribution found for grpcio>=1.8.6 (from tensorf...

显示:TypeError: Input 'b' of 'MatMul' Op has type float32 that does not match type float64 of argument 'a这是由于两个相乘矩阵类型不匹配，调试一下发现x矩阵为tf.float64,W矩阵为tf.float32，改类型用tf.cast()函数，修改如下：y = tf.matmul(tf.ca...