设n阶矩阵[tex=0.929x1.0]JkZEjSnuwtkZlFnZMXvQ5Q==[/tex]与对角矩阵[tex=0.929x1.0]JkZEjSnuwtkZlFnZMXvQ5Q==[/tex]相似,则下达结论中不正确的是
未知类型:{'options': ['[tex=6.714x1.143]bOvrhg9sVQhPBUaQ58SCSS8yiERRyMtGSgGhgcysIKYYSz8cm/vS9fpIVZwRmoOH29ZYN0Rkz9jJNnb3O6mHJA==[/tex] (k为任意常数)[br][/br]', '[tex=3.357x1.071]topfgVk3YasGj4z6GkdcTrhy63X59IMRtruwE85HCn0=[/tex] (m为正整数)[br][/br]', '若[tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex]可逆,则[tex=4.357x1.214]c5Cf4pRARaBipYntugL/3rpZOxMHSVRnNT2Cv9jNlyVfcIoYjpCKgn41IbOTKZOiBc9YTFlk7pb3ZBn2K2IP/w==[/tex]', '若[tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex]可逆, 则[tex=2.643x1.0]ENwf4QCbV0ZGM3nLiDU5B8SW39xJCphZWxy3ng9x9X4=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=6.714x1.143]bOvrhg9sVQhPBUaQ58SCSS8yiERRyMtGSgGhgcysIKYYSz8cm/vS9fpIVZwRmoOH29ZYN0Rkz9jJNnb3O6mHJA==[/tex] (k为任意常数)[br][/br]', '[tex=3.357x1.071]topfgVk3YasGj4z6GkdcTrhy63X59IMRtruwE85HCn0=[/tex] (m为正整数)[br][/br]', '若[tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex]可逆,则[tex=4.357x1.214]c5Cf4pRARaBipYntugL/3rpZOxMHSVRnNT2Cv9jNlyVfcIoYjpCKgn41IbOTKZOiBc9YTFlk7pb3ZBn2K2IP/w==[/tex]', '若[tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex]可逆, 则[tex=2.643x1.0]ENwf4QCbV0ZGM3nLiDU5B8SW39xJCphZWxy3ng9x9X4=[/tex]'], 'type': 102}
举一反三
- 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}
- 若要将一个长度为N=16的序列x(n)重新位倒序,作为某一FFT算法的输入,则位倒序后序列的样本序号为( )。 A: x(15), x(14), x(13), x(12), x(11), x(10), x(9), x(8), x(7), x(6),<br/>x(5), x(4), x(3), x(2), x(1), x(0) B: x(0), x(4), x(2), x(6), x(1), x(5), x(3), x(7), x(8), x(12), x(10),<br/>x(14), x(9), x(13), x(11), x(15) C: x(0), x(2), x(4), x(6), x(8), x(10), x(12), x(14), x(1), x(3), x(5),<br/>x(7), x(9), x(11), x(13), x(15) D: x(0), x(8), x(4), x(12), x(2), x(10), x(6), x(14), x(1), x(9), x(5),<br/>x(13), x(3), x(11), x(7), x(15)
- >>>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']
- 设[tex=0.929x1.0]JkZEjSnuwtkZlFnZMXvQ5Q==[/tex]为[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]阶矩阵,且满足[tex=2.929x1.214]vfVZ2jJRqLexUimvCjMPE/6xT+hyy6o+qSw0BucxBec=[/tex]。证明:[tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex]的特征值只能是0或1。[br][/br]
- 【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=