Tzerochen的博客

原创 2021-11-12

-- coding: utf-8 --@Time : 2018/9/26 19:16@Author : Bing@FileName: temp.pyimport numpy as npimport randomdef gen_line_data(sample_num=100):“”"y = 3x1 + 4x2:return:“”"x1 = np.linspace(0, 9, sample_num)x2 = np.linspace(1, 10, sample_num)x3 =

原创 2021-10-26

原创 2021-10-19

import paddlefrom paddle.nn import Linearimport paddle.nn.functional as Fimport osimport numpy as npimport matplotlib.pyplot as plttrain_data0 = np.array(train_dataset[0][0])train_label_0 = np.array(train_dataset[0][1])train_dataset = paddle.vision

原创 Untitled7

import numpy as npimport matplotlib.pyplot as pltx = 0y = 1step = 0.01xx = np.zeros(1000)yy = np.zeros(1000)for i in range(1000): k0 = y - 2 * x / y y = 1.1 * y - 0.2 * x / y x = x + step k1 = y - 2 * x / y y = y + 0.5 * step *

原创 神经网络推导

原创 Untitled

import numpy as npa = np.array([1,1,1,1])b = np.array([[1],[1],[1],[1]])a+barray([[2, 2, 2, 2], [2, 2, 2, 2], [2, 2, 2, 2], [2, 2, 2, 2]])import numpy as npa = np.array([1,1,1,1])b = np.array([[1],[1],[1],[1]])a+bc = np.arra