摘要：
# 来源：NumPy Essentials ch6 绘图函数 import matplotlib.pyplot as plt import numpy as np def show(ori_func, ft, sampling_period = 5): n = len(ori_func) inter 阅读全文
摘要：
# 来源：NumPy Essentials ch5 矩阵 import numpy as np ndArray = np.arange(9).reshape(3,3) # matrix 可以从 ndarray 直接构建 x = np.matrix(ndArray) # identity 用于构建单位 阅读全文