# hw5ish - function[f]=Ratchford_Rice(V) sum=0; global Psat;...

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Kacie Cruz kc23367 False Position.m function root=false_position(fun,xL,xU) fU=feval(fun,xU); fL=feval(fun,xL); tol=50*eps; error=1; iter=0; xROld=(xU+xL)/2; while error>tol xR=xU-(fU*(xL-xU)/(fL-fU)) if xR>0 xL=xR; else xU=xR; end fU=feval(fun,xU); fL=feval(fun,xL); error=abs((xR-xROld)/xR); xROld=xR; iter=iter+1 end root=xR Test Prob 2 with Prob 1.m function [y]=hw5(x) y=exp(x)-4*x*x; Ratchford_Rice.m

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Unformatted text preview: function[f]=Ratchford_Rice(V) sum=0; global Psat; global z; global P; for i=1:3 sum=sum+((z(i)*(Psat(i)/P-1))/(1+V*(Psat(i)/P-1))); end f=sum; Global.m global Psat Psat=[195.75,97.84,50.32]; global z z=[.45,.35,.20]; global P P=110; global lowGuess; lowGuess=.2; global highGuess; highGuess=.8; false_position('Ratchford_Rice',lowGuess,highGuess)...
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## This note was uploaded on 04/21/2010 for the course PGE 310 taught by Professor Klaus during the Spring '06 term at University of Texas.

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hw5ish - function[f]=Ratchford_Rice(V) sum=0; global Psat;...

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