设有解方程 [tex=8.143x1.143]IHFbKk0Rct+ZrHQ71xaevn7ZYdZsltEvw2y7GErx+8M=[/tex]的迭代法 [tex=8.071x2.357]tMd/EF+c9yqVBKYPE91N8P8hDAISGDa06rSePDhebye1UNC6zHxXwr8mf1s4/kIO[/tex][tex=1.286x1.357]VAHhaW1te0xvoqDVN54/dg==[/tex]证明[tex=3.214x1.214]4Rq2iIBlP7+wSK+6lXcdSJc8HLkWXoam1dHbeZAh3C4=[/tex]均有[tex=6.286x1.786]OqU0SQaVHd2x+OGLCy0gvcSD1JSooLY5K80iiCjWVQceflcRKI9qldYxLxmyV24w0hEFOEnbwCdb+bH9NI2gBg==[/tex]为方程的根[tex=0.714x1.357]Aogmvz/qbXcwD2jzVC5Lkw==[/tex][tex=1.286x1.357]BEB68bP4vOVk/XYYizw11w==[/tex] 取[tex=2.5x1.214]sUkvc/erX/X6LRs8X4yt9A==[/tex]用此迭代法求方程根的近似值,误差不超过[tex=2.214x1.214]FRdeh+x6K0u/MkIS07RYjA==[/tex][tex=1.286x1.357]H6tHfFjOZ3ZWdB4qPQ9Ocg==[/tex]此迭代法的收敛阶是多少? 证明你的结论.
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']
- 有容量分别为[tex=3.286x1.286]pCZ+fPe3X5XtlIcXCf6RGw==[/tex]和[tex=3.286x1.286]JjWMjbwalVPPThZBywJsLQ==[/tex]的独立随机样本得到下述观测结果, (X、 Y为观测值, f为频数)X 12.3 12.5 12.8 13.0 13.5 Y 12.2 12.3 13.0f 1 2 4 2 1 f 6 8 2现已知变量X、Y的总体均呈正态分布。请问在0.05的显著性水平下,可否认为这两个总体属同一分布?[tex=24.786x1.286]OVWwFMgiPzBDnRSqBYypUv4puOxaqZVbzeGoYhEt/ZwiQxP0kGgAAWuaJInyBhH09xLkSWqB6n3qd1WXaKpfvwUNfmmVSMJTzi4wz4IT6q4=[/tex][tex=8.429x1.286]AcUD6cTXhAghaQMem3GRbFMfFVpZHcyA3tP0z+S7RAk=[/tex] [tex=13.357x1.357]ZPe8nXNlBeMmW2cEA+D6DaqP/loFbcVH2QukDH1SMofLM6E74nDyl0WrH8imm/Ai[/tex]
- 对于以下两种情形:(1)x为自变量,(2)x为中间变量,求函数[tex=2.214x1.214]sy9gaFRMGlrH59gm9bWSDg==[/tex]的[tex=1.5x1.429]5W5tOYbJ+LlsRP2dMsi4byxwtjvvL/3u7NEzPV5PWp0=[/tex]