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MATLAB PLEASE! function y = oneminuscos (x) --------> USE THIS FUNCTION IN YOUR CODE %Compute 1 - cos(x) for scalar real inputs in the range
MATLAB PLEASE!
function y = oneminuscos (x) --------> USE THIS FUNCTION IN YOUR CODE
%Compute 1 - cos(x) for scalar real inputs in the range -1 < x < 1 %with fractional error under 10*eps. %For example, it should return oneminuscos(1E-8) = -2.2204e-15
Hint: Subtracting 1 cos(x) directly incurs subtractive cancellation when x is close to 0, but for such values of x, the truncation error from using the first few terms of the Taylor series of cos(x) with a = 0 and canceling out the 1 analytically is very small.
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