numpy array数组如何找出最大,最小?

Question

 (array([[[ 704,  627]],

       [[ 703,  628]],

       [[ 692,  628]],

       [[ 691,  629]],

       [[ 686,  629]],

       [[ 685,  630]],

       [[ 678,  630]],

       [[ 677,  631]],

       [[ 664,  631]],

       [[ 663,  632]],

       [[ 653,  632]],

       [[ 652,  633]],

       [[ 649,  633]],

       [[ 648,  634]],

       [[ 645,  634]],

       [[ 644,  635]],

       [[ 639,  635]],

       [[ 638,  636]],

       [[ 905,  741]],

       [[ 906,  740]],

       [[ 911,  740]],

       [[ 912,  739]],

       [[ 914,  739]],

       [[ 915,  738]],

       [[ 917,  738]],

       [[ 918,  737]],

       [[ 922,  737]],

       [[ 923,  736]],

       [[ 930,  736]],

       [[ 931,  735]],

       [[ 936,  735]],

       [[ 937,  734]],

       [[ 938,  734]],

       [[ 941,  731]],

       [[ 942,  731]],

       [[ 943,  730]],

       [[ 944,  730]],

       [[ 945,  729]],

       [[ 949,  729]],

       [[ 950,  728]],

       [[ 956,  728]],

       [[ 957,  727]],

       [[ 960,  727]],

       [[ 961,  726]],

       [[ 963,  726]],

       [[ 964,  725]],

       [[ 965,  725]],

       [[ 966,  724]],

       [[ 970,  724]],

       [[ 971,  723]],

       [[ 979,  723]],

       [[ 980,  722]],

       [[ 985,  722]],

       [[ 986,  721]],

       [[ 987,  721]],

       [[ 988,  720]],

       [[ 988,  718]],

       [[ 990,  716]],

       [[ 992,  716]],

       [[ 993,  715]],

       [[ 999,  715]],

       [[1000,  714]],

       [[1006,  714]],

       [[1007,  713]],

       [[1011,  713]],

       [[1012,  712]],

       [[1013,  712]],

       [[1015,  710]],

       [[1017,  710]],

       [[1018,  709]],

       [[1020,  709]],

       [[1021,  708]],

       [[1024,  708]],

       [[1025,  707]],

       [[1029,  707]],

       [[1030,  706]],

       [[1032,  706]],

       [[1033,  705]],

       [[1034,  705]],

       [[1035,  704]],

       [[1036,  704]],

       [[1036,  702]],

       [[1037,  701]],

       [[1037,  699]],

       [[1038,  698]],

       [[1041,  698]],

       [[1042,  697]],

       [[1047,  697]],

       [[1048,  696]],

       [[1055,  696]],

       [[1056,  695]],

       [[1059,  695]],

       [[1060,  694]],

       [[1060,  692]],

       [[1061,  691]],

       [[1061,  689]],

       [[1062,  688]],

       [[1062,  687]],

       [[1064,  685]],

       [[1067,  685]],

       [[1068,  684]],

       [[ 735,  628]],

       [[ 734,  627]]], dtype=int32),)

numpy array数组如何找出最大,最小?

[X,Y]

比如

找出 最小的 X
最小 X
[ 100, 0]
最大 X
[ 999, 0]

最小 Y
[ 0, 100]
最大 Y
[ 0, 999]

Answer 1

分别取出这两列然后max就行
max(array[:,0])

max(array[:,-1])