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newton-raphson

GATE Civil Engineering · Numerical Methods (CE) · 1995-2026

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10
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B. S. Grewal — Higher Engineering Mathematics

Linear algebra, calculus, probability, numerical methods

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2026 Q48

Starting with the first approximation as x = 0.5, the second approximation for the root of the following function by the Newton-Raphson method is ________ (rounded off to two decim...

mediumanswer key
2022 PYQ

Consider the following recursive iteration scheme for different values of variable P with the initial guess x 1 = 1: $${x_{n + 1}} = {1 \over 2}\left( {{x_n} + {P \over {{x_n}}}} \...

mediumbasic explanation
2018 Q20

The quadratic equation $2x^2-3x+3=0$ is to be solved numerically starting with an initial guess as $x_0 = 2$. The new estimate of $x$ after the first iteration using Newton-Raphson...

mediumanswer key
2016 PYQ

Newton-Raphson method is to be used to find root of equation $$\,3x - {e^x} + \sin \,x = 0.\,\,$$ If the initial trial value for the root is taken as $$0.333,$$ the next approximat...

medium
2015 PYQ

In Newton-Raphson iterative method, the initial guess value $$\left( {{x_{ini}}} \right)$$ is considered as zero while finding the roots of the equation: $$\,f\left( x \right) = -...

easy
2011 PYQ

The square root of a number $$N$$ is to be obtained by applying the Newton $$-$$ Raphson iteration to the equation $$\,{x^2} - N = 0.\,\,$$ If $$i$$ denotes the iteration index, th...

easyanswer key
2008 PYQ

The Newton-Raphson iteration $${x_{n + 1}} = {1 \over 2}\left( {{x_n} + {R \over {{x_n}}}} \right)$$ can be used to compute

easyanswer key
2007 PYQ

The following equation needs to be numerically solved using the Newton $$-$$ Raphson method $${x^3} + 4x - 9 = 0.\,\,$$ The iterative equation for this purpose is ($$k$$ indicates...

easyanswer key
2005 PYQ

Given $$a>0,$$ we wish to calculate its reciprocal value $${1 \over a}$$ by using Newton - Raphson method for $$f(x)=0.$$ For $$a=7$$ and starting with $${x_0} = 0.2\,\,$$ the firs...

mediumanswer key
2005 PYQ

Given $$a>0,$$ we wish to calculate it reciprocal value $${1 \over a}$$ by using Newton - Raphson method for $$f(x)=0.$$ The Newton - Raphson algorithm for the function will be

mediumanswer key
1995 PYQ

Let $$\,\,f\left( x \right) = x - \cos \,x.\,\,\,$$ Using Newton-Raphson method at the $$\,{\left( {n + 1} \right)^{th}}$$ iteration, the point $$\,{x_{n + 1}}$$ is computed from $...

easy