cmap常用于改变绘制风格,如黑白gray,翠绿色virdidis 一、问题
使用plt.imshow时常用不同的颜色,如plt.imshow(images, cmapplt.get_cmap(‘gray_r’))是白底黑字的
import numpy as np
import matplotlib.pyplot as plt
x np.array([0,0,…
层次分析法计算步骤
计算权重矩阵 构造新矩阵 a i j a i j ∑ n 1 n a i j a_{ij}\frac{a_{ij}}{\sum^{n}_{n1}a_{ij}} aij∑n1naijaij
计算权重矩阵 a i j ∑ n 1 n a i j ∑ n 1 n ∑ n 1 n a i j a_{ij}\frac{\sum_{n1}^{n}a_{ij}}{\sum_{n1}^{n}\sum_…
Some DNA sequences exist in circular forms as in the following figure, which shows a circular sequence “CGAGTCAGCT”, that is, the last symbol “T” in “CGAGTCAGCT” is connected to the first symbol “C”. We al- ways read a circular sequence in the cloc…