matlab代写代考

clear all a=-3; b=2; %xpoints=linspace(a,b,11)’; %[xpoints,w]=lgwt(21,-1,1); [xpoints,w,P]=lglnodes(51); tpoints=((b-a)/2)*xpoints+(a+b)/2; fpoints=exp(tpoints).*sin(5*tpoints); n=length(xpoints)-1; %order of polynomial xint=-1:0.01:1; tint=((b-a)/2)*xint+(a+b)/2; fint=LagrangePolynomial(tpoints,fpoints,n,tint); freal=exp(tint).*sin(5*tint); dfreal=exp(tint).*(sin(5*tint)+5*cos(5*tint)); figure(1) hold off plot(tpoints,fpoints,’ko’,’MarkerSize’,20,’MarkerFaceColor’,’r’) hold on plot(tint,fint,’b-‘,’Linewidth’,4) plot(tint,freal,’k-‘,’Linewidth’,4) xlabel(‘t’);ylabel(‘f(t)’) D=DerivMatrix(xpoints,n); derivfpoints=(2/(b-a))*D*fpoints; figure(2) hold off plot(tint,dfreal,’k-‘,’Linewidth’,4) hold on plot(tpoints,derivfpoints,’ko’,’MarkerSize’,20,’MarkerFaceColor’,’b’) xlabel(‘t’);ylabel(‘df(t)/dt’) function D=DerivMatrix(x,n) D=zeros(n+1,n+1); for i=1:n+1 num(i)=1.0; for k=1:n+1 if k ~= i num(i)=num(i)*(x(i)-x(k)); end end end for j=1:n+1

ENGR20005 Numerical Methods in Engineering Workshop 11 Part A: MATLAB Livescripts 11.1 The livescript ENGR20005 Workshop11p1.mlx runs through the solution of initial value problems using implicit methods. (a) (b) Read through the livescript and make sure you understand what each line of code does. Modify the livescript to solve the the initial value problem dx

Numerical Methods in Engineering (ENGR20005) Lecture 16 Dr. Leon Chan lzhchan@unimelb.edu.au Department of Mechanical Engineering The University of Melbourne Slides prepared by Prof.Andrew Ooi Assignment 2 Assignment 2 Assignment 2 L16.1: Multidimensional Boundary Value Problem Consider the temperature distribution on a rectangular plate plate, φ(x, y), with thermal conductivity k heated by a source Q(x,

[Content_Types].xml _rels/.rels matlab/_rels/document.xml.rels matlab/document.xml matlab/output.xml media/image1.png metadata/coreProperties.xml metadata/mwcoreProperties.xml metadata/mwcorePropertiesExtension.xml metadata/mwcorePropertiesReleaseInfo.xml MATLAB Programming In this livescript, you will learn how to Use for loops in MATLAB to make repeated computations until a specified condition is met. A “for” loop is used if you want to execute code statements a fixed number of times. A for loop