Question
Use secant method to determine the root of the equation cos x - xex = 0. Take the initial approximation as x0 = 0, x1 = 1 and perform two iterations of the method.
Answer :
Word Count : 115
Let $f(x)=\cos x - x e^{x}$. With $x_0=0,\;x_1=1$ we have $$ f(0)=\cos0-0\cdot e^{0}=1, \qquad f(1)=\cos1-1\cdot e^{1}\approx0.5403023059-2.7182818285=-2.1779795226. $$ Secant formula $x_{2}=x_{1}-f(x_{1})\dfrac{x_{1}-x_{0}}{f(x_{1})-f(x_{0})}$. Substituting the numbers, _______ ________ ____ ________ ______ ____ _________ _________.
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Let $f(x)=\cos x - x e^{x}$. With $x_0=0,\;x_1=1$ we have $$ f(0)=\cos0-0\cdot e^{0}=1, \qquad f(1)=\cos1-1\cdot e^{1}\approx0.5403023059-2.7182818285=-2.1779795226. $$ Secant formula $x_{2}=x_{1}-f(x_{1})\dfrac{x_{1}-x_{0}}{f(x_{1})-f(x_{0})}$. Substituting the numbers, _______ ________ ____ ________ ______ ____ _________ _________.
________ ______ __________ _______ ___ _______.
__________ ____ _______ ________ __________ ______ __________.
_________ _________ _______ ________ ___ ______ ___ ________ _____ ___ _______ ____.
__________ _____ ________ _____ ______ _________.
_________ __________ ______ _______ ____ ____ _________ ______ ________ ______ ____ ______.
_________ ___ _____ _________ _____ ________ _________ _______ _____ _______ __________ ________.
_________ __________ ____ __________ _______ ________ ________ _______ _________ ___ ______.
_____ ___ _______ _________ _________ ____ ___ ______ _________ _____ _______ _____.
__________ ___ ____ ________ _____ ______.
Get Full Answer on WhatsApp
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