在上述代码中,pd.Series(['A', 'B', 'C', 'D'])创建了一个包含字符串A、B、C和D的Series对象。然后,通过pd.Series(range(len(data)))创建了一个辅助的x轴序列,其中range(len(data))生成了一个从0到3的整数序列,作为辅助x轴的坐标。 最后,使用matplotlib库绘制图形,ax.plot(aux_x, data)绘制了...
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This might not be obvious, but pd.Series.isin uses O(1)-look up per element. After an analysis, which proves the above statement, we will use its insights to create a Cython-prototype which can easily beat the fastest out-of-the-box-solution. Let's assume that the "set" has n ele...
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In order to follow these empirical, former alloy systems should be developed by using an element that has an atomic size similar to Ni and Cu. Cobalt may be used as a substitute for Cu and Ni, because atomic radius of Co (0.125 nm) is very close to that of Ni (0.124 nm) and Cu ...
Add a comment Report this ad 0 You can use Series.map column 0 - if not match get NaNs: test_df[0] = test_df[0].map(colours) print (test_df) 0 0 [0.12156862745098039, 0.4666666666666667, 0.70... 1 [0.8392156862745098, 0.15294117647058825, 0.15... 2 [0.9686274509803922, 0.7137254...
Photodiode element 光谱范围 200 to 1100 nm 最小功率 300 fW 最大平均功率 300 nW 最大平均功率密度 5 W/cm² 响应时间 3.6 s 尺寸 Ø62 x 22 mm 包括斩波器 No 冷却 Convection CE 符合性 Yes UKCA 符合性 Yes 中国RoHS 符合性 Yes 特征 Measuring Laser Power Be...
γδ T cells have the unique ability to detect a wide range of tumors with low mutation burdens, making them attractive candidates for CAR-T-cell therapy. Unlike αβ T cells and other immune cells, γδ T cells are superior in MHC non-restriction, selec
This enables us to show that the electronic contribution to the H-H interaction in the ZrM2 hydride is unexpectedly neutral for M=Mn, it is positive, i.e. repulsive, for the lighter 3d element M=Cr, and surprisingly negative, i.e. attractive, for the binary PdH0.6 hydride....