猫头军师兵书

高斯函数定义为 （1）我们生成高斯数据和曲线：import numpy as npimport matplo...

有时查找、排序等常用功能，我们习惯for循环，其实有很多python自带的方法可以简洁的实现。排序f=[1,3,4,1,8,5]f.sort()1, 1, 3, 4, 5, 8f2 = np.random.permutation(10)f2 = np.sort(f2)array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])查找/索引knigh...

涉及bool运算其实有点绕，官网太简洁，不好懂。Return elements, either fromxory, depending oncondition.If onlyconditionis given, returncondition.nonzero().1，一维数组情形import numpy as npx=np.random.randn(10)y=...

import tensorflow as tfw1=tf.Variable(tf.random_uniform([2,2],-1,1))with tf.Session() as sess: init = tf.global_variables_initializer() sess.run(init) print(sess.run(w1))输出得[[ 0.9...

函数用法Generates a random sample from a given 1-D arrayimport numpynumpy.random.choice(100, 3)输出：array([83, 80, 65])numpy.random.choice([1,0.2,7,'c'],2)输出：array(['c', '0.2'], dtype='|S32...

VALIDATION_PERCENTAGE = 10TEST_PERCENTAGE = 10validation_images=[]validation_labels=[]testing_images=[]testing_labels=[]training_images=[]training_labels=[]chance = np.random.randint(100)i...

train_data 和 train_label保持对应state = np.random.get_state()np.random.shuffle(train_data)np.random.set_state(state)np.random.shuffle(train_label)原理numpy.random.set_state(state)Set the internal...