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#基于Java的FASTA算法实现

#一种序列两两比对寻找最优位移的算法

  1. 对对照序列下标构建哈希表

  2. 基于上述哈希表,对测试序列构建位移表

  3. 在位移表中寻找最优位移

###例如

###序列ATGCAT与TGAATG对比

###对ATGCAT构建下标表 [ A:[0,4], T:[1,5], G:[2], C:[3] ]

###对TGAATG构建位移表 [ 0:[-1,-4], 1:[-1], 2:[2,-2], 3:[3,-1], 4:[3,-1], 5:[3] ]

###遍历位移表的值,-1出现4次,-2出现1次,-4出现1次,2出现1次,3出现3次

###-1出现次数最多,也就是说-1位移量最匹配,为最优位移

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基于Java的Fasta基因序列比对算法

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