tensorflow随笔-abs

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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
"""
Created on Mon Aug 27 11:16:32 2018

@author: myhaspl
"""

# TensorFlow and tf.keras
import tensorflow as tf

sess=tf.Session()
with sess:
    x = tf.constant([[-2.25 + 4.75j], [-3.25 + 5.75j]])
    print x.eval()
    print tf.abs(x).eval() 
    x=tf.constant([12.22,-32])
    print x.eval()
    print tf.abs(x).eval()     

注意：对复数x+yi求绝对值，相当于 sqrt(x^2+y^2)