描述:杨辉三角与二项式定理 #include <cstdio> int solve(int n,int m) { int sum=1; for(int i=n; i>m; --i) sum*=i; for(int i=2; i<=n-m; ++i) sum/=i; return sum; } int main() { //freopen("a.txt","r",stdin); int n,m,sum,k; while(scanf("…

题目 Volume 0. Getting Started 开始10055 - Hashmat the Brave Warrior 10071 - Back to High School Physics 10300 - Ecological Premium 458 - The Decoder 494 - Kindergarten Counting Game 414 - Machined Surfaces 490 - Rotating Sentences 445 - Marvelous Mazes…

http://www.cnblogs.com/sxiszero/p/3618737.html 下面给出的题目共计560道,去掉重复的也有近500题,作为ACMer Training Step1,用1年到1年半年时间完成.打牢基础,厚积薄发. 一.UVaOJ http://uva.onlinejudge.org 西班牙Valladolid大学的程序在线评测系统,是历史最悠久.最著名的OJ. 二.<算法竞赛入门经典> 刘汝佳  (UVaOJ  351道题) 以下部分内容摘自:http://sdkd…

(Step1-500题)UVaOJ+算法竞赛入门经典+挑战编程+USACO 下面给出的题目共计560道,去掉重复的也有近500题,作为ACMer Training Step1,用1年到1年半年时间完成.打牢基础,厚积薄发. 一.UVaOJ http://uva.onlinejudge.org 西班牙Valladolid大学的程序在线评测系统,是历史最悠久.最著名的OJ. 二.<算法竞赛入门经典> 刘汝佳  (UVaOJ  351道题) 以下部分内容摘自:http://sdkdacm.5d6d.…

下面给出的题目共计560道,去掉重复的也有近500题,作为ACMer Training Step1,用1年到1年半年时间完成.打牢基础,厚积薄发. 一.UVaOJ http://uva.onlinejudge.org 西班牙Valladolid大学的程序在线评测系统,是历史最悠久.最著名的OJ. 二.<算法竞赛入门经典> 刘汝佳  (UVaOJ  351道题) 以下部分内容摘自:http://sdkdacm.5d6d.com/thread-6-1-1.html “AOAPC I”是刘汝佳(大名…

https://www.mathworks.com/help/matlab/ref/conv.html?s_tid=gn_loc_drop conv Convolution and polynomial multiplication Syntax w = conv(u,v) example w = conv(u,v,shape) example Description example w = conv(u,v) returns the convolution of vectors u and v…

如题.做了一个Demo,主要是把最后面的参考资料1里面的脚本改成了C语言版本的. 代码: #ifndef __COORCONV_H__ #define __COORCONV_H__ #include <cmath> double pi = 3.14159265358979; /* Ellipsoid model constants (actual values here are for WGS84) */ double sm_a = 6378137.0; double sm_b = 63567…

Complete the Sequence Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 202    Accepted Submission(s): 119 Problem DescriptionYou probably know those quizzes in Sunday magazines: given the sequenc…

subroutine basis_function_b_val ( tdata, tval, yval ) ! !******************************************************************************* ! !! BASIS_FUNCTION_B_VAL evaluates the B spline basis function. ! ! ! Discussion: ! ! The B spline basis functio…

function v = splinetx(x,y,u) %SPLINETX Textbook spline function. % v = splinetx(x,y,u) finds the piecewise cubic interpolatory % spline S(x), with S(x(j)) = y(j), and returns v(k) = S(u(k)). % % See SPLINE, PCHIPTX. % First derivatives h = diff(x); d…

利用到一个qrcode类 比较简洁 原作者没有加入二维码嵌入logo的功能 在这里我进行了小小的修改 可以实现生成微信支付二维码时打上logo 生成png格式的利用到该类中的png方法(我已经改好了) 生成png格式的利用到该类中的jpg方法(仿照png方法里的内容自行修改) <?phpnamespace Home\Vendor;class Qrcode {        private $QR_MODE_NL = -1;    private $QR_MODE_NM = 0;    priva…

容错声明: ①题目选自https://acm.ecnu.edu.cn/,不再检查题目删改情况 ②所有代码仅代表个人AC提交,不保证解法无误 E0001  A+B Problem First AC: 2017-10-13       Latest Modification: 2018-02-28 #include<bits/stdc++.h> using namespace std; int a,b; int main() { cin>>a>>b; cout<<…

Figure. Several possible path shapes for a single joint 五次多项式曲线(quintic polynomial) $$\theta(t)=a_0+a_1t+a_2t^2+a_3t^3+a_4t^4+a_5t^5$$ 考虑边界条件: $$\begin{align*} \theta_0&=a_0\\\theta_f&=a_0+a_1t+a_2{t_f}^2+a_3{t_f}^3+a_4{t_f}^4+a_5{t_f}^5\\\dot{\th…

代码: 子函数ampl_res function [Hr,w,P,L] = ampl_res(h); % % function [Hr,w,P,L] = Ampl_res(h) % Computes Amplitude response Hr(w) and its polynomial P of order L, % given a linear-phase FIR filter impulse response h. % The type of filter is determined aut…

写论文的时候由于需要画出系统的零极点图.但是之前不知道怎么用matlab画,今天研究了一下,拿出来和大家共享.所用到的matlab函数为zplane,matlab给出的解释如下: ZPLANE Z-plane zero-pole plot.    ZPLANE(Z,P) plots the zeros Z and poles P (in column vectors) with the     unit circle for reference.  Each zero is represente…

pylab的目的 Pylab combines the functionality of pyplot with the capabilities of NumPy in a single namespace, and therefore you do not need to import NumPy separately. Furthermore, if you import pylab, pyplot, and NumPy functions can be called directly w…

题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1121 Complete the Sequence Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 451    Accepted Submission(s): 283 Problem Description You probably kno…

function v = pchiptx(x,y,u) %PCHIPTX Textbook piecewise cubic Hermite interpolation. % v = pchiptx(x,y,u) finds the shape-preserving piecewise cubic % interpolant P(x), with P(x(j)) = y(j), and returns v(k) = P(u(k)). % % See PCHIP, SPLINETX. % First…

工具根据:http://home.hiwaay.net/~taylorc/toolbox/geography/geoutm.html js代码改编 工具源码github:https://github.com/JeroLong/TUMAndWGS84TransTool.git 效果: 主要代码: using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace UTMAnd…

代码: function [wpLP, wsLP, alpha] = bs2lpfre(wpbs, wsbs) % Band-edge frequency conversion from bandstop to lowpass digital filter % ------------------------------------------------------------------------- % [wpLP, wsLP, alpha] = bs2lpfre(wpbs, wsbs)…

上代码: function [wpLP, wsLP, alpha] = lp2lpfre(wplp, wslp) % Band-edge frequency conversion from lowpass to lowpass digital filter % ------------------------------------------------------------------------- % [wpLP, wsLP, alpha] = lp2lpfre(wplp, wslp)…

今天下了小雨,空气中泛起潮湿的味道,阴冷的感觉袭来,心情受到小小影响. 代码: hp2lpfre子函数 function [wpLP, wsLP, alpha] = hp2lpfre(wphp, wshp) % Band-edge frequency conversion from highpass to lowpass digital filter % -----------------------------------------------------------------------…

转自:https://blog.csdn.net/dkcgx/article/details/46652021 转自:https://blog.csdn.net/Reborn_Lee/article/details/83279843 conv(向量卷积运算) 所谓两个向量卷积,说白了就是多项式乘法. 比如:p=[1 2 3],q=[1 1]是两个向量,p和q的卷积如下: 把p的元素作为一个多项式的系数,多项式按升幂(或降幂)排列,比如就按升幂吧,写出对应的多项式:1+2x+3x^2;同样的,把q…

Integration of Polynomial Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) Submit Statistic Next Problem Problem Description Suppose there are a polynomial which has n nonzero terms, please print the integration polyno…

Problem F: Polynomial Remains Given the polynomial a(x) = an xn + ... + a1 x + a0, compute the remainder r(x) when a(x) is divided by xk+1. The input consists of a number of cases. The first line of each case specifies the two integers n and k (0 ≤ n…

Vasya is studying in the last class of school and soon he will take exams. He decided to study polynomials. Polynomial is a function P(x) = a0 + a1x1 + ... + anxn. Numbers ai are called coefficients of a polynomial, non-negative integer n is called a…

一起啃PRML - 1.1 Example: Polynomial Curve Fitting @copyright 转载请注明出处 http://www.cnblogs.com/chxer/ 前言:真是太糟糕了,本地的公式和图片粘上来全都喂汪了... We begin by introducing a simple regression problem, 用一个例子穿起这些零碎的知识点. 回顾最前面的Mathematical Notation: A superscript T denotes…

排序:nlogn 二分查找:logn <-- 利用单调性,查n次,每次logn Multiply the following pairs of polynomials using at most the prescribed numberof multiplications of large numbers (large numbers are those which depend on thecoefficients and thus can be arbitrarily large). Hi…

1 Fundamentals A polynomial is either zero, or can be written as the sum of one or more non-zero terms. The number of terms is finite. A term consist of a constant coefficient and a monomial, that is, the product of zero or more variables. Each varia…

We have learned how to obtain the value of a polynomial when we were a middle school student. If f(x) is a polynomial of degree n, we can let If we have x, we can get f(x) easily. But a computer can not understand the expression like above. So we had…