Double precision limit with norm
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I wrote a Taylor series approach for calculating the natural logarithm of matrix A. When I compared my result with the built-in function logm ( norm(myResult-logm(A),2) ), I got the following: 1.3878e-016. However eps = 2^(-52) = 2.2204e-016 when we use double precision. How can MATLAB determine this value if its maximum precision is lower than the result? Is it a bug? (The estimated norm with normest is 1.9626e-016.)
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