我有一个包含蛋白质序列的fasta文件.我想选择超过300个氨基酸的序列,半胱氨酸(C)氨基酸出现超过4次. 我用这个命令来选择超过300 aa的序列： cat 72hDOWN-fasta.fasta | bioawk -c fastx 'length($seq) > 300{ print ">"$name; print $seq }' 一些序列示例： >jgi|Triasp1|21661
We were afraid of making this problem statement too boring, so we decided to keep it short. A sequence is called non-boring if its every connected subsequence contains a unique element, i.e. an element such that no other element of that subsequence has
Jzzhu and Sequences Jzzhu has invented a kind of sequences, they meet the following property: f1=x,f2=y;对任意i>=2，fi=f（i-1）+f(i-2); You are given x and y, please calculate fn modulo 1000000007 (109 + 7). Input The first line contains two integers x and
以下是编程任务. 您将获得一系列N个整数.任务是找到连续的整数序列的数量,使得它们的和为零. 例如,如果序列是： 2,-2,6,-6,8有3个这样的序列： >’2,-2′>’6,-6′>’2,-2,6,-6′ 我已经有了用PHP编写的以下程序,它读取STDIN的输入(第一行包含后面的整数数.) <?php $n = fgets(STDIN
得到答案后编辑 这里有一些很好的答案我喜欢Josh,因为它非常聪明并使用C语言.但是我决定接受Dave的答案,因为它的简单性和递归性.我对它们进行了测试,它们都产生了相同的正确结果(尽管顺序不同).再次感谢大家. 假设我有一个字符串s chars s [0]：s [N]并且每个char s [i]< = s [i 1]
我正在运行列表理解数字列表作为字符串,所以例如列表看起来像这样 vals = ['0.13', '324', '0.23432'] 并尝试这样的列表理解： best = [x for x in vals > 0.02] 我得到一个TypeError：迭代非序列. 列表不是一个应该是您应该能够迭代的第一个序列吗？什么是序列？ 我找到的基本问题很
1．链接地址 https://vjudge.net/problem/POJ-1953 2．问题描述 Given a positive integer n, determine the number of different chanting patterns of this length, i.e., determine the number of n-bit sequences that contain no adjacent 1's. For example, for n = 3 the
我正在尝试在我的.NET缓存中保留一个内存中的条目列表,表示我的应用程序的最后N个HTTP请求.什么是最好的.NET序列用于此？ 要求 >固定数量的物品(例如50) > Serializable(需要向.NET缓存添加序列)>当我尝试添加最多1个条目时,它会自动删除最旧的项目以腾出空间>不要真正关心物品的顺
可以做的事情： It extends the observer pattern to support sequences of data/events and adds operators that allow you to compose sequences together declaratively while abstracting away concerns about things like low-level threading, synchronization, thread-safety
>>> b=[('spam',0), ('eggs',1)] >>> [reversed(x) for x in b] [<reversed object at 0x7fbf07de7090>, <reversed object at 0x7fbf07de70d0>] 游民.我希望得到一个反转元组列表！ 当然,我可以这样做： >>> [tuple(reversed(x)) for x
LSTM层 keras.layers.recurrent.LSTM(units, activation='tanh', recurrent_activation='hard_sigmoid', use_bias=True, kernel_initializer='glorot_uniform', recurrent_initializer='orthogonal', bias_initializer='zeros&#
首先，对需要导入的库进行导入，读入数据后，用jieba来进行中文分词 # encoding: utf-8#载入接下来分析用的库import pandas as pdimport numpy as npimport xgboost as xgbfrom tqdm import tqdmfrom sklearn.svm import SVCfrom keras.models import Sequentialfrom keras.layers.recu
You are given a tree (a connected undirected graph without cycles) of n vertices. Each of the n−1 edges of the tree is colored in either black or red. You are also given an integer k. Consider sequences of k vertices. Let’s call a sequence [a1,a2,…,ak]
Longest common subsequence problem The longest common subsequence (LCS) problem is the problem of finding the longest subsequence common to all sequences in a set of sequences (often just two sequences). It differs from the longest common substring proble
传送门 Description: 松鼠丽丝特别喜欢n个她称之为“好整数”的整数：a1,a2,……,an。（会输入） 现在，她对“好序列”很感兴趣。如果一个序列x1,x2,...,xk能够满足一下三个条件，那就是一个“好序列”： 1.该序列是严格上升的，即x[i] < x[i+1]（1<=i<=k-1) 2.任意两个相邻的元素是非互质
