python自學筆記15之實例之繪圖、dataframe操做、讀寫csv，excle

用Python繪圖，藉助強大的numpy和matplotlib import numpy as np import matplotlib.pyplot as plt import pandas as pd x = np.linspace(0,1) y = np.sin(4*np.pi*x)*np.exp(-5*x) t = pd.DataFrame(y,index = x) t.plot() pl

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