数据挖掘技术与应用:对创建的两个数组进行四则运算
对创建的两个数组进行四则运算ufunc函数支持全部四则运算,并且保留习惯的运算符,和数值运算的使用方式一样,但是需要注意的是,操作的对象是数组,如代码所示。代码数组运算In[3]:# 对创建的两个数组进行四则运算print('两数组之和为:\n',arr1 + arr2)print('两数组之差为:\n',arr1 - arr2)print('两数组之积为:\n',arr1 * arr2)prin
对创建的两个数组进行四则运算
ufunc函数支持全部四则运算,并且保留习惯的运算符,和数值运算的使用方式一样,但是需要注意的是,操作的对象是数组,如代码所示。
In[3]: | # 对创建的两个数组进行四则运算 print('两数组之和为:\n',arr1 + arr2) print('两数组之差为:\n',arr1 - arr2) print('两数组之积为:\n',arr1 * arr2) print('两0数组之商为:\n',arr1 / arr2) |
Out[3]: | 两数组之和为: [ 4.96714153e-01 -1.28264301e-01 6.67688538e-01 1.55302986e+00 -1.94153375e-01 -1.84136957e-01 1.63921282e+00 8.37434729e-01 -3.89474386e-01 6.32560044e-01 -3.63417693e-01 -3.55729754e-01 3.61962272e-01 -1.78328024e+00 -1.58491783e+00 -4.12287529e-01 -8.52831120e-01 4.84247333e-01 -7.28024076e-01 -1.22230370e+00 1.66564877e+00 -1.57763005e-02 2.87528205e-01 -1.19474819e+00 -3.04382725e-01 3.60922590e-01 -8.90993577e-01 6.45698018e-01 -3.20638690e-01 -1.69374979e-03 -3.01706612e-01 2.16227818e+00 3.06502775e-01 -7.27710929e-01 1.16254491e+00 -8.70843650e-01 5.68863595e-01 -1.58967012e+00 -9.48186049e-01 5.86861236e-01 1.13846658e+00 5.81368281e-01 3.04351718e-01 1.28896304e-01 -1.03852199e+00 -2.69844208e-01 -6.38770960e-04 1.52712223e+00 8.23618290e-01 -1.27304016e+00 8.24083969e-01 1.24917720e-01 -1.56922000e-01 1.14167629e+00 1.57099952e+00 1.48128012e+00 -2.79217523e-01 2.60787624e-01 9.11263431e-01 1.56554513e+00 1.20825762e-01 4.24341023e-01 -4.86334974e-01 -5.66206624e-01 1.45252582e+00 2.00624003e+00 5.87989878e-01 1.67353290e+00 1.04163603e+00 4.48802454e-02 1.06139561e+00 2.24803657e+00 6.84173961e-01 2.29464366e+00 -1.87974510e+00 1.57190250e+00 8.47047068e-01 4.70992650e-01 8.71760777e-01 -1.19756891e+00 5.80328112e-01 1.16711257e+00 2.29789404e+00 3.11729782e-01 3.15063971e-02 3.48242956e-01 1.77540212e+00 1.19875111e+00 3.50239796e-01 1.40326743e+00 9.97077549e-01 1.87864499e+00 2.17946906e-01 6.02337853e-01 5.47891847e-01 -5.13514948e-01 1.25612028e+00 1.23105527e+00 9.85113457e-01 7.55412867e-01] 两数组之差为: [-0.49671415 0.1482643 -0.62768854 -1.49302986 0.27415337 0.28413696 -1.51921282 -0.69743473 0.54947439 -0.45256004 0.56341769 0.57572975 -0.12196227 2.04328024 1.86491783 0.71228753 1.17283112 -0.14424733 1.08802408 1.6023037 -1.26564877 0.4357763 0.1524718 1.65474819 0.78438272 0.13907741 1.41099358 -0.10569802 0.88063869 0.58169375 0.90170661 -1.54227818 0.33349722 1.38771093 -0.48254491 1.57084365 0.1511364 2.32967012 1.70818605 0.19313876 -0.33846658 0.23863172 0.53564828 0.7311037 1.91852199 1.16984421 0.92063877 -0.58712223 0.13638171 2.25304016 0.17591603 0.89508228 1.196922 -0.08167629 -0.49099952 -0.38128012 1.39921752 0.87921238 0.24873657 -0.38554513 1.07917424 0.79565898 1.72633497 1.82620662 -0.17252582 -0.70624003 0.73201012 -0.3335329 0.31836397 1.33511975 0.33860439 -0.82803657 0.75582604 -0.83464366 3.3597451 -0.0719025 0.67295293 1.06900735 0.68823922 2.77756891 1.01967189 0.45288743 -0.65789404 1.34827022 1.6484936 1.35175704 -0.05540212 0.54124889 1.4097602 0.37673257 0.80292245 -0.05864499 1.62205309 1.25766215 1.33210815 2.41351495 0.66387972 0.70894473 0.97488654 1.22458713] 两数组之积为: [ 0.00000000e+00 -1.38264301e-03 1.29537708e-02 4.56908957e-02 -9.36613499e-03 -1.17068478e-02 9.47527689e-02 5.37204310e-02 -3.75579509e-02 4.88304039e-02 -4.63417693e-02 -5.12302729e-02 2.90354726e-02 -2.48726432e-01 -2.41488497e-01 -8.43431294e-02 -1.62052979e-01 5.34220465e-02 -1.63444334e-01 -2.68337703e-01 2.93129754e-01 -4.74130231e-02 1.48562050e-02 -3.27692083e-01 -1.30651854e-01 2.77306474e-02 -2.99258330e-01 1.01438465e-01 -1.68178833e-01 -8.45911874e-02 -1.80511984e-01 5.74206237e-01 -4.31911192e-03 -3.49044607e-01 2.79665270e-01 -4.27295277e-01 7.51908942e-02 -7.25077946e-01 -5.04710699e-01 7.67758820e-02 2.95386632e-01 7.02609953e-02 -4.85722786e-02 -1.29474589e-01 -6.50549676e-01 -3.23929894e-01 -2.11893835e-01 4.96847446e-01 1.64936779e-01 -8.63889676e-01 1.62041985e-01 -1.96391963e-01 -3.51999440e-01 3.24188433e-01 5.56739742e-01 5.12204066e-01 -4.69961813e-01 -1.76251054e-01 1.92132790e-01 5.75571625e-01 -2.87504543e-01 -1.13251976e-01 -6.85927684e-01 -7.53610173e-01 5.20016526e-01 8.81556019e-01 -4.75266802e-02 6.72367042e-01 2.45912497e-01 -4.45132631e-01 2.52976924e-01 1.09200596e+00 -2.57947482e-02 1.14218987e+00 -1.93861138e+00 6.16426878e-01 6.61557719e-02 -2.30235660e-01 7.15734057e-02 -1.57017944e+00 -1.75737510e-01 2.89261183e-01 1.21187312e+00 -4.30164281e-01 -6.79134626e-01 -4.26493487e-01 7.87245821e-01 2.86013465e-01 -4.66188979e-01 4.56808015e-01 8.73697944e-02 8.81466941e-01 -6.45888846e-01 -3.04725796e-01 -3.68581664e-01 -1.39033920e+00 2.84275466e-01 2.53223614e-01 5.01118751e-03 -2.32241262e-01] 两0数组之商为: [ 0.00000000e+00 -7.23252489e-02 3.08790396e-02 1.96975784e-02 -1.70828202e-01 -2.13550226e-01 3.79936126e-02 9.12129688e-02 -1.70403333e-01 1.65880258e-01 -2.15788049e-01 -2.36188474e-01 4.95945088e-01 -6.79461362e-02 -8.11632864e-02 -2.66767432e-01 -1.57973029e-01 5.40975157e-01 -1.98232629e-01 -1.34531971e-01 1.36458341e-01 -9.30124196e-01 3.25789796e+00 -1.61432036e-01 -4.40866305e-01 2.25382405e+00 -2.25891790e-01 7.18662295e-01 -4.66170436e-01 -9.94193397e-01 -4.98581857e-01 1.67361470e-01 -2.37085776e+01 -3.11994507e-01 4.13351289e-01 -2.86686997e-01 1.72361296e+00 -1.88807287e-01 -2.86104496e-01 1.98109089e+00 5.41662969e-01 2.39250810e+00 -3.63170115e+00 -1.42807945e+00 -2.97594492e-01 -6.25135265e-01 -9.98613293e-01 4.44603271e-01 1.39689887e+00 -2.77929007e-01 1.54281003e+00 -1.32439228e+00 -7.68183040e-01 8.66471383e-01 5.23763579e-01 5.90584926e-01 -6.67288259e-01 -1.84339323e+00 1.75087240e+00 6.04790064e-01 -1.25215413e+00 -3.28559389e+00 -5.60408931e-01 -5.26664865e-01 7.87667275e-01 4.79266196e-01 -9.16537822e+00 6.67641291e-01 1.88034364e+00 -1.06956886e+00 1.93693556e+00 4.61627516e-01 -2.00971142e+01 4.66559908e-01 -2.82470229e-01 9.12516991e-01 8.73090864e+00 -2.57518753e+00 8.50036398e+00 -3.97470495e-01 -3.64179508e+00 2.26819234e+00 5.54843565e-01 -1.60148118e+00 -1.03896926e+00 -1.69404697e+00 9.39477835e-01 2.64637890e+00 -1.66112893e+00 1.73398884e+00 9.27093861e+00 9.39456673e-01 -1.31044220e+00 -2.83828941e+00 -2.39729777e+00 -6.49122171e-01 3.24192591e+00 3.71568822e+00 1.91651180e+02 -4.22018030e+00] |
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