처음으로 이러한 문제가 발생했습니다.Tensorflow : 잘못된 형상의 feed_dict {}
오류는 약 feed_dict={tfkids: kids, tfkids_fit: kids_fit}
입니다. kids_fit
을 재 형성해야합니다.
누구든지이 문제를 해결할 수 있습니까?
import tensorflow as tf
from tensorflow.contrib.distributions import Normal
import numpy as np
import matplotlib.pyplot as plt
DNA_SIZE = 1
POP_SIZE = 10
LR = 0.1
N_GENERATION = 50
def F(x):
return x**2
def get_fitness(value):
return -value
mean = tf.Variable(tf.constant(13.), dtype=tf.float32)
sigma = tf.Variable(tf.constant(5.), dtype=tf.float32)
N_dist = Normal(loc=mean, scale=sigma)
make_kids = N_dist.sample([POP_SIZE])
tfkids = tf.placeholder(tf.float32, [POP_SIZE, DNA_SIZE])
tfkids_fit = tf.placeholder(tf.float32, [POP_SIZE])
loss = -tf.reduce_mean(N_dist.log_prob(tfkids) * tfkids_fit)
train_op = tf.train.GradientDescentOptimizer(LR).minimize(loss)
x = np.linspace(-20, 20, 100)
plt.plot(x, F(x))
sess = tf.Session()
init = tf.global_variables_initializer()
sess.run(init)
plt.ion()
for g in range(N_GENERATION):
kids = sess.run(make_kids)
kids_fit = get_fitness(F(kids))
sess.run(train_op, feed_dict={tfkids: kids, tfkids_fit: kids_fit})
if "plot_points" in globals():
plot_points.remove()
plot_points = plt.scatter(kids, F(kids), s=30)
plt.pause(0.05)
plt.ioff()
plt.show()
코드를 테스트 할 때 오류가 발생합니다.
ValueError: Cannot feed value of shape (10,) for Tensor 'Placeholder:0', which has shape '(10, 1)'
감사합니다. 매우 명확한 설명입니다. – CYC