超星 - 第五章测验 - 查题吧

单选题

求矩阵A中的最小元素的matlab命令是（）

A. min(A)
B. minmin(A)
C. min min(a)
D. min(min(A))

单选题

关于一维插值的的matlab命令：y1=interp1(x,y,x1)说法错误的是（）

A. x是向量
B. y1和x1的维度不一样
C. x1是被插值
D. y1是插值结果

单选题

关于多项式y=x^4+2x^3+x的创建，正确的是（）

A. p=[4 3 0 1 0]
B. p=[1 2 0 1]
C. p=[1 2 0 1 0]
D. p=[1 2 1 0]

单选题

关于回归分析的matlab函数命令b=regress(y,x),说法错误的是（）

A. x是自变量的原始数据
B. y是因变量
C. y是列向量
D. b是回归系数的估计值

单选题

关于回归分析的残差图matlab命令 rcoplot(r,rint),说法错误的是（）

A. r是残差值
B. rint是残差区间
C. 残差区间包含0点
D. r和rint的行数是一样的

判断题

Hank Goodman has been a highly respected and sought-after doctor, an orthopedic surgeon, without hurting any patients seriously.

A. 对
B. 错

判断题

At first Hank Goodman found his medical practice deeply satisfying, despite the grueling hours.

A. 对
B. 错

判断题

Studies show that alcoholism is more common among other people than among doctors because doctors are supposed to be tougher, steadier, better to handle pressure than most.

A. 对
B. 错

判断题

Even when mistakes are discussed at morbidity and mortality conferences, it is to examine the feelings of the patient or physician instead of the medical facts.

A. 对
B. 错

判断题

According to doctor Brian Goldman, what doctors and physicians need is an environment to be able to share their stories and try to learn one thingfrom what happenedso as to teach to somebody else in a loving, supportive way.

A. 对
B. 错

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