对于一个周期为[tex=1.071x1.0]tieuzjBYrMcmxP3HXZSPGQ==[/tex]的函数[tex=3.143x1.357]SvkmdiaSCBne2lfTn9xiFw==[/tex]，若函数的图像：(1)以点[tex=6.429x2.214]yYAeqfL6LD/rGhCSHikaiNRX+NrSolJaRX9yd0SoKTtgl+gg+YL3iTs60tA3zA9t[/tex]为对称中心；(2)以坐标原点为对称中心并以[tex=3.429x2.143]xcET+KfdgUeLxAJXqNOU8/rusz9aM7hXo10x/YwtTmg=[/tex]为对称轴；问其傅里叶系数[tex=8.071x1.357]2Xr//427hHIUKQ5EW9M0cgYTl2kFz0M1yhsB3qzf1oQ=[/tex]具有怎样的特性？提示：(1)[tex=17.786x1.357]L0N/dSRZeFaYQqVVXMmn/hRkEYfpHK66hu7RImCWcuMg+7DxiCOb8lwim0HFDnPgNP7ytrzPNOlP3Pp3fnK+2g==[/tex]；(2)[tex=16.214x1.357]XHlb9b0GV3Gm1R3ly5VDai/Ce4HLpC0QtnElqqXMmn8Z2a+Gtnq6voeawnzubVWGnCGy7pYLcYm54Z2F3fZE1Q==[/tex]。
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}
- >>>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']
- 【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]
- 【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
- 【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=