写出以下对称矩阵[tex=0.929x1.0]k/Cj2RiKlvftjUNiBSOakw==[/tex].对应的二次型[tex=4.0x1.429]ZHEmmDVybbEdLB7jzVGghjjyJuM7G5KBY66MujSJnIKabZyP0Ix0Pw/y8aLzuUN0[/tex][tex=6.286x2.786]+HNIZcMaSzNwCe0LO7bsUtE7T/ezT3heRoWANqpeD0+jc8LYEST2zow1W7cTLlo36gbLVL5qOlzHtjEIP8mFkyhSBNC5hP1usWvMGHzizD8=[/tex]
举一反三
- 写出以下对称矩阵[tex=0.929x1.0]k/Cj2RiKlvftjUNiBSOakw==[/tex].对应的二次型[tex=4.0x1.429]ZHEmmDVybbEdLB7jzVGghjjyJuM7G5KBY66MujSJnIKabZyP0Ix0Pw/y8aLzuUN0[/tex][tex=9.143x3.643]+HNIZcMaSzNwCe0LO7bsUtE7T/ezT3heRoWANqpeD08hLtyOdX7t5kJmwJRmYBOM+mPEl801g3Sf8YbeZnMw8oaSoNoBVrfrhZbETM86f+3poVeqKYFotK5U179e/QKv/o8KdUpumju+hUCP/84T+Q==[/tex]
- >>>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']
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为？ A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- 【单选题】请用地点定桩法在4分钟内记忆数字。 4 0 1 3 6 3 5 1 9 8 8 9 7 2 9 3 0 9 5 3 1 7 7 5 2 3 3 0 5 0 1 4 1 3 8 3 5 7 9 7 (5.0分) A. 已背 B. 未背
- intx=5,y=8,z=7;表达式z=!(x>y)||(x=1,y=3)计算后的结果 A: x=1,y=3,z=1 B: x=1,y=3,z=0 C: x=5,y=8,z=0 D: x=5,y=8,z=1