设[tex=0.857x1.0]h610M+sGyf59WggKwaDo1Q==[/tex]矩阵[tex=5.0x1.357]H7SDmNgtZd7dNv+vHXA0GeG4RTIHoWUo36gVzB+CYOY=[/tex][tex=16.571x4.5]D21vQN3vgKRjnD964VQ2x7eq7eqbunio9bCeoh+r05KfjexPVVPWczALL5zDDG7EkL2ZQBW4FX3gbbXtlfsvXKZn3nBozbas9pNJFZjf7eASDWTkbN+ck+EqxBMKD7ojCA1TO+4RczY4ZJ5KHTZEYF0zkawTSnoH2sj1RRIdn2yw05b4ONL43u6oSEzvka2hb09dOldTJKZ3nXlIAO06tW5oDJjlwFjA3kz8XpAxssEqH0FdZk9NfJRLCtXBpQub8EbEjQZ4Rwygs6whn87sF09P94DV3OZcnlcw0ZJRc2IEBoqir77OgrPds3HP33VM[/tex]试求一[tex=0.714x1.0]UsTt0JMISB2vmq9eVGUHdA==[/tex]矩阵[tex=0.643x1.0]awBC2UvU2WxG45VihksPuw==[/tex]，使[tex=3.0x1.214]rN84CqmtCk5MRAP5g+8tJQ==[/tex] 为对角矩阵．
举一反三
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=
- 输出九九乘法表。 1 2 3 4 5 6 7 8 9 --------------------------------------------------------------------- 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81
- 【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
- 输出九九乘法表。 1*1=1 2*1=2 2*2=4 3*1=3 3*2=6 3*3=9 4*1=4 4*2=8 4*3=12 4*4=16 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 9*1=9