Same problem, same Matlab, different answers
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I am running Matlab 2018b on several computers. The problem I am using is (the badly conditioned) > inv(hilb(6)) All computers except my new Lenovo produce the same answer. My new Lenovo X1 gives results that differ in the last 5 double precision digits, i.e. the first 10 are the same as before. The processors are i5-8350U (New Lenovo X1), Intel i7-3820 (older computer), Ryzen 7 (latest). Only Lenovo gives different result. Has anyone seen this?
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the cyclist
2018년 10월 3일
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Walter Roberson
2018년 10월 4일
MATLAB generally includes libblas but not necessarily the same version for all platforms.
For Mac it is bin/maci64/libmwblas.dylib and bin/maci64/mkl.dylib and there is also bin/maci64/libmwlapack.dylib which is relevant because lapack is the matrix algebra library
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