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wannengk(½ð±Ò+35, ·­ÒëEPI+1): 3Q~ 2011-12-18 22:45:29
For the similar homologous DNA sequences, this paper assigned the first sequence as the central star sequence. Successively compare it with other sequences, and record the position where the central star sequence was inserted by a blank space, writing into a file to save the RAM. Suppose the length of the first sequence is m, there will be m+1 positions for the blank space to be inserted among the m characters and their front and back. After the comparison, the number of the most blank spaces inserted in the interspace during the comparison was recorded. Therefore, the m basic groups and the m+1 interspaces formed the last comparison result of the first sequence (the central star sequence). After getting the compared central star sequence, successively compare each sequence with this sequence to get the last comparison results. It is worth noting that the central star sequence after inserting blank spaces is longer than other sequences and it is not allowed to insert any blank space into it. The dynamic programming table corresponding to Figure 1 only allowed the front or up-left backtracking£¬not upward.
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