Numerical+Methods 源代码

function L=linsht(F1,F2,a,b,alpha,beta,M) %Input - F1 and F2 are the systems of first-order equations % representing …

function X=trisys (A,D,C,B) %Input - A is the sub diagonal of the coefficient matrix % - D is the main diagonal of the coeff…

function [A,B]=tpcoeff(X,Y,M) %Input - X is a vector of equally spaced abscisssas in [-pi, pi] % - Y is a vector of or…

NUMERICAL METHODS: MATLAB Programs (c) 1999 by John H. Mathews and Kurtis D. Fink To Accompany the textbook NUMERICAL…

function U=crnich(f,c1,c2,a,b,c,n,m) %Input - f=u(x,0) as a string 'f' % - c1=u(0,t) and c2=u(a,t) % - a and b right en…

function R = approot (X,epsilon) % Input - f is object function saved as an M-file named f.m % - X is the vector of absciss…

function X=jacobi(A,B,P,delta, max1) % Input - A is an N x N nonsingular matrix % - B is an N x 1 matrix % - P is …

function Z=srule(f,a0,b0,tol0) %Input - f is the integrand input as a string 'f' % - a0 and b0 are upper and lower limit…

function R=rk4(f,a,b,ya,M) %Input - f is the function entered as a string 'f' % - a and b are the left and right endpo…

function [lambda,V]= power(A,X,epsilon,max1) % NUMERICAL METHODS: MATLAB Programs %(c) 1999 by John H. Mathews and Kurtis D. Fink…