jul_-CSDN博客

原创 python画中国人口年龄结构金字塔

import pandas as pdimport seaborn as snsimport matplotlib.pyplot as pltdata = {'M': [3.18,3,2.88,2.8,3.36,4.49,3.39,3.66,3.91,4.69,4.28,2.56,2.97,2.21,1.38,0.94,0.58,0.24,0.06,0.01], 'F': [...

2019-08-09 00:47:46 4701 2

原创 python画中国人口变化情况以及数据拟合

mport matplotlib.pyplot as pltimport numpy as npimport xlrdfrom scipy.optimize import curve_fitdata = xlrd.open_workbook('population.xlsx', encoding_override='utf-8')table = data.sheets()[0]pop...

2019-08-08 00:33:42 3694 3

原创 python画高程图

python画高程图import numpy as npimport matplotlib.pyplot as pltimport pandas as pdwb = pd.read_excel('area.xlsx')wb = np.array(wb)x = np.linspace(0,38.2*2912,2913)y = np.linspace(0,38.2*2773,2774)...

2019-08-07 12:39:48 4575 2

原创 python遗传算法解决分配问题

python遗传算法解决分配问题import numpy as npimport randomimport matplotlib.pyplot as pltdef get_rand(): select = [x for x in range(10)] random.shuffle(select) return selecttime = np.array([...

2019-08-07 12:18:05 5533 7

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