第二章3设矩阵A为
A24239216657424112134598752184242531214321456421（1）BA25125B6534843（2）A7A
246534
24984245
212112121
843235
42
219
24
98
42
45
21
117553646
21
21
12121
（3）A30（4）sizeA
dimsA（5）题目有误（6）reshapex34（7）absx（8）charx
4L1
0L21L30L4456001110001111000000010000
51BA13
CA12DA2434EBCB230000410000320000C10000045000050000077806500000050000320000
f23000041000032000060000
1000004500005000095400
D65000005400005000032000031400
E10e0030914112080113302EDa
s000EDa
s101EDa
s111DEa
s010022392712302103
101
111
111
000
fi
dA10A25a
s
f15
6
allAa
s0a
yAa
s1is
a
Aa
s0isi
fAa
s0isfi
iteAa
s1100000
0
1
1
0
0
0
0
0
0
1
1
1
7
A1x1’学号’A1x2’姓名’A1x3’专业’A1x4x41’成绩1’………A2x1’学号’A2x2’姓名’A2x3’专业’A2x4x41’成绩1’………A3x1’学号’A3x2’姓名’A3x3’专业’A3x4x41’成绩1’………A4x1’学号’A4x2’姓名’A4x3’专业’A4x4x41’成绩1’………A5x1’学号’A5x2’姓名’A5x3’专业’A5x4x41’成绩1’………
8
1sizeBa
s2
dimsBa
s22B2
2
fa
s3x3doubleB4a
s3x3cell3B3B1B3B13x3double3x3double3x3cell
fr