假设x=4,y=2,m=5,n=4,w=12,t=9,则经过表达式(w=x 0 9
假设x=4,y=2,m=5,n=4,w=12,t=9,则经过表达式(w=x 0 9
设X ~ N(2, 9)则Y = (X – 2 )/9 ~ N(0, 1).
设X ~ N(2, 9)则Y = (X – 2 )/9 ~ N(0, 1).
中国大学MOOC: 设X~N(2, 9)则Y= (X– 2 )/9 ~N(0,1).
中国大学MOOC: 设X~N(2, 9)则Y= (X– 2 )/9 ~N(0,1).
与数学式子[img=43x34]17e0acb62c85ed0.jpg[/img]对应的C语言表达式是 A: 9*x^n/(2*x-1) B: 9*x**n/(2*x-1) C: 9*pow(x,n)*(1/(2*x-1)) D: 9*pow(n,x)/(2*x-1)
与数学式子[img=43x34]17e0acb62c85ed0.jpg[/img]对应的C语言表达式是 A: 9*x^n/(2*x-1) B: 9*x**n/(2*x-1) C: 9*pow(x,n)*(1/(2*x-1)) D: 9*pow(n,x)/(2*x-1)
测者1的经度λ1=110°W的地方平时LMT1=08h(15/9),此刻测者2的经度λ2=125°W的地方平时LMT2=( )。 A: 09h(15/9) B: 07h(15/9) C: 08h(14/9) D: 09h(14/9)
测者1的经度λ1=110°W的地方平时LMT1=08h(15/9),此刻测者2的经度λ2=125°W的地方平时LMT2=( )。 A: 09h(15/9) B: 07h(15/9) C: 08h(14/9) D: 09h(14/9)
中国大学MOOC: 设X~N(2, 9)则Y= (X– 2 )/9 ~N(0, 1).
中国大学MOOC: 设X~N(2, 9)则Y= (X– 2 )/9 ~N(0, 1).
设X ~ N(2, 9)则Y = (X – 2 )/9 ~ N(0, 1). A: 正确 B: 错误
设X ~ N(2, 9)则Y = (X – 2 )/9 ~ N(0, 1). A: 正确 B: 错误
以4,9,1为为插值节点,求\(\sqrt x \)的lagrange的插值多项式 A: \( {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) B: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) C: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x +1) + {1 \over {24}}(x - 4)(x - 9)\) D: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) - {1 \over {24}}(x - 4)(x - 9)\)
以4,9,1为为插值节点,求\(\sqrt x \)的lagrange的插值多项式 A: \( {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) B: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) C: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x +1) + {1 \over {24}}(x - 4)(x - 9)\) D: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) - {1 \over {24}}(x - 4)(x - 9)\)
测者1的经度λ1=120[sup]o[/]E的地方平时LMT1=08[sup]h[/](15/9),此刻测者2的经度λ2=120[sup]o[/]W的地方平时LMT2=()。 A: 00<sup>h</sup>(16/9) B: 16<sup>h</sup>(15/9) C: 08<sup>h</sup>(14/9) D: 16<sup>h</sup>(14/9)
测者1的经度λ1=120[sup]o[/]E的地方平时LMT1=08[sup]h[/](15/9),此刻测者2的经度λ2=120[sup]o[/]W的地方平时LMT2=()。 A: 00<sup>h</sup>(16/9) B: 16<sup>h</sup>(15/9) C: 08<sup>h</sup>(14/9) D: 16<sup>h</sup>(14/9)
缓和曲线采用切线支距法计算坐标的公式为() A: x=ι-ι4/(40R2I02)+ι9/(3456R4I04)… B: x=ι-ι5/(40R2I02)+ι9/(3456R4I04)… C: x=ι-ι3/(40R2I02)+ι9/(3456R4I04)… D: x=ι-ι2/(40R2I02)+ι9/(3456R4I04)…
缓和曲线采用切线支距法计算坐标的公式为() A: x=ι-ι4/(40R2I02)+ι9/(3456R4I04)… B: x=ι-ι5/(40R2I02)+ι9/(3456R4I04)… C: x=ι-ι3/(40R2I02)+ι9/(3456R4I04)… D: x=ι-ι2/(40R2I02)+ι9/(3456R4I04)…