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搜题
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题目内容
（请给出正确答案）
A.只要保证同一类别样本尽可能靠近
B.既要保证同一类别样本尽可能靠近，也要保证不同类别样本尽可能彼此远离
C.既要保证不同类别样本尽可能靠近，也要保证同一类别样本尽可能彼此远离
D.只要保证不同类别样本尽可能彼此远离
答案
更多“线性区别分析(linear discriminant analysis，LDA)在进行数据降维时，原始高维数据被映射到低维空间中后需要达到的优化的目标是()。”相关的问题
第1题
随机线性搜索算法是在执行线性搜索算法之前先对输入进行随机重排，描述如下：
Random Linear Search(A，x) //数组A[1..n]，待查找对象x
1．Random Permute Array(A)
2．Linear Search(A，x)
假设A中有k(1≤k≤n)个元素等于x，试分析算法在调用Linear Search(A，x)时，执行循环的次数的期望值．
第2题
第3题
A.线性表中任意两个元素之间都存在先后关系。
B.线性表中元素的个数不能为空。
C.线性表属于线性数据结构。
D.线性表中的元素如果是数字，必须是大小有序的。
第4题
_____ is a civil right leader advocating non-violent action as a way to reform. discriminatory law in America.
A.Martin Luther King Jr.
B.Thomas Jefferson
C.Abraham Lincoln
D.John Garry
第7题
The sentence structure is
A．only linear.
B．only hierarchical.
C．complex.
D．both linear and hierarchical.
第9题
A．He didn't know that she was enrolled in a linear algebra course.
B．He thought she preferred to study alone.
C．He thought she had made arrangements to study with.
D．He had told her that he had done poorly on a recent test.
第10题
According to Bloomfield, the sentence structure is
A．only linear.
B．only hierarchical.
C．complex.
D．both linear and hierarchical.
第11题
A．Give his drawings a more graphic look.
B．Add variations to his works.
C．Employ a chunky brush style.
D．Move along a linear way.
