Iteration Flashcards

GCSE Mathematics (Edexcel) 1MA1

Iteration

A repetitive process used to find an approximate solution to an equation.

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Terms in this set (10)

1

Iteration

A repetitive process used to find an approximate solution to an equation.

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Iterative formula

A formula used to generate successive approximations to the solution of an equation.

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Starting value (x₀)

The initial value used in an iterative process to begin the sequence of approximations.

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Convergence

When the values generated by an iterative process get closer to a single value (the solution).

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Divergence

When the values generated by an iterative process move further away from a single value.

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Fixed point iteration

A method of solving equations by rearranging the equation into the form x = g(x) and iterating.

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Rearranging equations for iteration

Rewriting an equation into the form x = g(x) to use in an iterative process.

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Stopping condition

The point at which an iterative process is stopped, often when successive values are sufficiently close.

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Limit of accuracy in iteration

The degree of accuracy to which the solution is found, often determined by the number of decimal places or significant figures.

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Checking solutions in iteration

Substituting the final value back into the original equation to verify its accuracy.

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