C编写数值分析程序

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1、高斯消去法；#includeusingnamespacestd;templateT**Allocation2D(intm,intn){T**a;a=newT*[m];for(inti=0;i(n,n+1);cout«endl«n输入增广矩阵的各值:/n";for(i=0;i

2、for(j=();j=0;k—)temp=0;for(j=k+l;j

3、[k];}for(i=0;ientsandSettingsAd>inistratorDebug高斯■驱釘输入系数矩阵的N值，N：2输入增广矩阵的各值：/n2274&K0：-3.33333xl：7.33333Pressanykeytocontinue拉格朗口插值法#include#include#defineN3usingnamespacestd;doublefun(double*x,double*y

4、,intn,doublep);voidmain(){inti;doublea[N],p;doubleb[N];cout«,pleaseinputxianglianga=M«cndl;for(i=0;i

5、doublefun(doublex[],doubley[],intn,doublep){doublez=0,s=1.0;intk,i=();doubleL[N];k=0;while(k

6、+){z=z+L[iJ;}returnz;:Docu>entsandSettingsAd>inistratorYDebu：pleaseinputxianglianga=pleaseinputxiangliangb=741pleaseinputLagelangrichazhiJieDianp=3TheAnswer=11PressanykeytocontinueNewton插值法；#include#includevoidmain(){charL;do(doubleM[100][100];doublex[

7、100],y[100];doubleX=1,xx=0,w=l,N=0,P,R=l;intn;cout<<"请输入所求均差阶数："；cin»n;for(inti=0;i<=n;i++){cout<<"请输入x"«i«"的值:"<

8、M[i-j+l][0]);}}for(i=l;i<=n;i++){cout<<"其"<