Customers looking to utilize quad-core processors in a blade environment should use which of the following power saving options?() A: IBM HS21 - Quad-core processor designed for 4-way servers B: IBM x3850 Server - Quad-core LV processors C: IBM LS41 - Quad-core processor designed for 4-way servers D: IBM HS21 - Quad-core LV processor
Customers looking to utilize quad-core processors in a blade environment should use which of the following power saving options?() A: IBM HS21 - Quad-core processor designed for 4-way servers B: IBM x3850 Server - Quad-core LV processors C: IBM LS41 - Quad-core processor designed for 4-way servers D: IBM HS21 - Quad-core LV processor
Customers looking to utilize quad-core processors in a blade environment should use which of the following power saving options?() A: IBM HS21 - Quad-core processor designed for 4-way servers B: IBM x3850 Server - Quad-core LV processors C: IBM LS41 - Quad-core processor designed for 4-way servers D: IBM HS21 - Quad-core LV processors
Customers looking to utilize quad-core processors in a blade environment should use which of the following power saving options?() A: IBM HS21 - Quad-core processor designed for 4-way servers B: IBM x3850 Server - Quad-core LV processors C: IBM LS41 - Quad-core processor designed for 4-way servers D: IBM HS21 - Quad-core LV processors
向量 $\alpha=(1,a,2)$ 与 $\beta=(2,4,b)$ 线性相关,则( ). A: $a=2,\quad b=2$ B: $a=4,\quad b=4$ C: $a=4,\quad b=2$ D: $a=2,\quad b=4$
向量 $\alpha=(1,a,2)$ 与 $\beta=(2,4,b)$ 线性相关,则( ). A: $a=2,\quad b=2$ B: $a=4,\quad b=4$ C: $a=4,\quad b=2$ D: $a=2,\quad b=4$
7. 函数$y = |x| + |x - 1| - |4 - 2x|<br/>$的最小值和最大值分别是 ( ). A: $-4,\quad 3<br/>$ B: $-3, \quad 3<br/>$ C: $-3, \quad 4<br/>$ D: $-4, \quad 4<br/>$
7. 函数$y = |x| + |x - 1| - |4 - 2x|<br/>$的最小值和最大值分别是 ( ). A: $-4,\quad 3<br/>$ B: $-3, \quad 3<br/>$ C: $-3, \quad 4<br/>$ D: $-4, \quad 4<br/>$
如下关于quad命令表述正确的是: A: quad是定积分的抛物线法近似计算命令 B: quad是定积分的梯形法近似计算命令 C: quad是定积分的矩形法近似计算命令 D: quad是定积分的随机模拟法近似计算命令
如下关于quad命令表述正确的是: A: quad是定积分的抛物线法近似计算命令 B: quad是定积分的梯形法近似计算命令 C: quad是定积分的矩形法近似计算命令 D: quad是定积分的随机模拟法近似计算命令
在其定义区间上连续的函数是( )。 A: \(f(x) = \left\{ {\matrix{ {x\quad ,{\rm{0}} \le x \le {\rm{1}}} \cr {1 - x\quad ,1 < x \le 2} \cr } } \right.\) B: \(f(x) = \left\{ {\matrix{ {x\quad ,0 < x \le 1 } \cr {2 - x\quad ,1 < x \le 2} \cr } } \right.\) C: \(f(x) = \left\{ {\matrix{ {x\;\quad ,0 \le x < 1} \cr {0\;\quad \quad ,x = 1} \cr {2 - x\quad ,1 < x \le 2} \cr } } \right.\) D: \(f(x) = \left\{ {\matrix{ { { 1 \over {x - 1}}\quad ,0 \le x \le 1} \cr {0\quad ,1 \le x \le 2} \cr } } \right.\)
在其定义区间上连续的函数是( )。 A: \(f(x) = \left\{ {\matrix{ {x\quad ,{\rm{0}} \le x \le {\rm{1}}} \cr {1 - x\quad ,1 < x \le 2} \cr } } \right.\) B: \(f(x) = \left\{ {\matrix{ {x\quad ,0 < x \le 1 } \cr {2 - x\quad ,1 < x \le 2} \cr } } \right.\) C: \(f(x) = \left\{ {\matrix{ {x\;\quad ,0 \le x < 1} \cr {0\;\quad \quad ,x = 1} \cr {2 - x\quad ,1 < x \le 2} \cr } } \right.\) D: \(f(x) = \left\{ {\matrix{ { { 1 \over {x - 1}}\quad ,0 \le x \le 1} \cr {0\quad ,1 \le x \le 2} \cr } } \right.\)
下列函数中,在其定义域内处处连续的是( )。 A: \(f(x) = \left\{ {\matrix{ { { {1 - {x^2}} \over {1 + x}}\quad ,x \ne 1} \cr {0\quad \quad ,x = 1} \cr } } \right.\) B: \(f(x) = \left\{ {\matrix{ {\ln x\quad ,x > 0} \cr { { x^2}\quad ,x \le 0} \cr } } \right.\) C: \(f(x) = \left\{ {\matrix{ { { {\sqrt {x + 1} - 1} \over {\sqrt x }}\quad ,x > 0} \cr {1\quad ,x\le 0} \cr } } \right.\) D: \(f(x) = \left\{ {\matrix{ { { x^2} + 2x\quad ,x \le 0} \cr { { e^x}\quad ,x > 0} \cr } } \right.\)
下列函数中,在其定义域内处处连续的是( )。 A: \(f(x) = \left\{ {\matrix{ { { {1 - {x^2}} \over {1 + x}}\quad ,x \ne 1} \cr {0\quad \quad ,x = 1} \cr } } \right.\) B: \(f(x) = \left\{ {\matrix{ {\ln x\quad ,x > 0} \cr { { x^2}\quad ,x \le 0} \cr } } \right.\) C: \(f(x) = \left\{ {\matrix{ { { {\sqrt {x + 1} - 1} \over {\sqrt x }}\quad ,x > 0} \cr {1\quad ,x\le 0} \cr } } \right.\) D: \(f(x) = \left\{ {\matrix{ { { x^2} + 2x\quad ,x \le 0} \cr { { e^x}\quad ,x > 0} \cr } } \right.\)
求4/(1+x^2)在[0,1]上积分的近似值 A: quad(@(x) 4./(1+x^2),0,1) B: quad(@(x) 4./(1+x.^2),0,1) C: quad(@(x) 4/(1+x.^2),0,1) D: quad(@(x) 4/(1+x^2),0,1)
求4/(1+x^2)在[0,1]上积分的近似值 A: quad(@(x) 4./(1+x^2),0,1) B: quad(@(x) 4./(1+x.^2),0,1) C: quad(@(x) 4/(1+x.^2),0,1) D: quad(@(x) 4/(1+x^2),0,1)
3.设函数$f(x)$以$T$为周期,则函数$h(x)=f(x+a)$和$g(x)=f(ax)\ (a>0)$的周期分别为 A: $T+a,\quad aT$ B: $T,\quad aT$ C: $T,\quad \frac{T}{a}$ D: $T+a,\quad \frac{T}{a}$
3.设函数$f(x)$以$T$为周期,则函数$h(x)=f(x+a)$和$g(x)=f(ax)\ (a>0)$的周期分别为 A: $T+a,\quad aT$ B: $T,\quad aT$ C: $T,\quad \frac{T}{a}$ D: $T+a,\quad \frac{T}{a}$
陀螺仪和加速计的使用通过哪个框架实现( )。 A: Core Data B: Core Image C: Core Motion D: Core Location
陀螺仪和加速计的使用通过哪个框架实现( )。 A: Core Data B: Core Image C: Core Motion D: Core Location