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Backward Error Analysis Example

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the forward relative backward error and backward error analysis. Backward error propagation: How much error in input would be required to explain

Normwise Backward Error

all output error? Assumes that approximate solution to problem is good IF IT IS THE exact solution to a ``nearby'' problem. Example Want to approximate . We evaluate its accuracy at . Backward Error: 1) Find such that The following are different and cannot be compared: Juan Restrepo 2003-04-12

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backward error analysis

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