用正交矩阵将实对称矩阵化为标准形，并写出可逆矩阵Q.[tex=11.071x3.929]S3L+t9IHwQ0z1v720J0jK/K84uxr5M4fgYiSwpM3LcYPrJ2VAoQxUMa0OXh2oyfqzirG2iNI/jhKuF2EppuQctOMxhYYVX3whqk1gHfxOKyKgQMI+GME2rK1SuTLIcyj[/tex].
举一反三
- 用正交矩阵将实对称矩阵化为标准形，并写出可逆矩阵Q.[tex=11.071x3.929]S3L+t9IHwQ0z1v720J0jK/K84uxr5M4fgYiSwpM3Lcbxq4Yg6kfmF/jfxyfWbQdyAef6BWl+ouMZdMi9mcn//oeKJd+9JCSbPbcQwL/0NkGF6gamWaksj3CtlqFztf7X[/tex].
- 用可逆矩阵将下列实对称矩阵化为标准形，并写出可逆矩阵[tex=0.643x1.0]WUJ/JHItsc3Bqx1WYNJcrg==[/tex].[tex=11.071x3.929]S3L+t9IHwQ0z1v720J0jK/K84uxr5M4fgYiSwpM3Lcbxq4Yg6kfmF/jfxyfWbQdyAef6BWl+ouMZdMi9mcn//oeKJd+9JCSbPbcQwL/0NkGF6gamWaksj3CtlqFztf7X[/tex].
- 【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]
- 有六组量子数： (1) n＝3，l＝1，m＝－1；(2) n＝3，l＝0，m＝0；(3) n＝2，l＝2，m＝－1；(4) n＝2，l＝1，m＝0；(5) n＝2，l＝0，m＝－1；(6) n＝2，l＝3，m＝2 其中正确的是( )。 A: (1)(3)(5) B: (2)(4)(6) C: (1)(2)(4) D: (1)(2)(3)
- 写出下列各种情况的合理量子数。 （1）n = ，l = 2， m = 0， ms = +1/2 （2）n = 3，l = ，m = 1，ms = －1/2 （3）n = 4，l = 3，m = 0，ms = （4）n = 2，l = 0，m = ，ms = +1/2 （5）n = 1，l = ，m = 0 ，ms =