Sprjdfn的学习笔记

带死亡的斐波那契数列

问题描述 Problem A matrix is a rectangular table of values divided into rows and columns. An m×nm \times nm×n matrix has mmm rows and nnn columns. Given a matrix AAA, we write Ai,jA_{i, j}Ai,j​ to indicate the value found at the intersection of row iii and col

题目描述 Problem Given two strings sss and ttt, ttt is a substring of sss if ttt is contained as a contiguous collection of symbols in sss (as a result, ttt must be no longer than sss). The position of a symbol in a string is the total number of symbols found

RNA序列转化为蛋白质序列

题目描述 Problem Figure 2. The probability of any outcome (leaf) in a probability tree diagram is given by the product of probabilities from the start of the tree to the outcome. For example, the probability that X is blue and Y is blue is equal to (2/5)(1/4)

计算点突变数量

计算GC丰度

题目描述 Problem A sequence is an ordered collection of objects (usually numbers), which are allowed to repeat. Sequences can be finite or infinite. Two examples are the finite sequence (π,−2,0,π)(\pi, -\sqrt{2}, 0, \pi)(π,−2​,0,π) and the infinite sequence of

序列互补

DNA序列转化为RNA序列