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Kenneth Johnson


KJ Innovation

Last seen: 대략 1년 전 |  2011년부터 활동

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Why does pagemldivide not give Singular Matrix warnings?
Summary of response from Technical Support: The 'help' for 'pagemldivide' states that the function never warns for ill-condit...

대략 2년 전 | 0

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Why does pagemldivide not give Singular Matrix warnings?
The new pagemldivide function in R2022a Prerelease (I think also in Parallel Computing Toolbox) doesn't give any Singular Matrix...

대략 2년 전 | 답변 수: 2 | 1

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Why is subscripted assignment so inefficient?
Why is MATLAB's subscripted assignment so abysmally inefficient with more than 2 subscripts? e.g., >> clear, a = []; tic, for j...

대략 2년 전 | 답변 수: 1 | 3

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MATLAB's inefficient copy-on-write implementation
MATLAB's copy-on-write memory management seems to have a serious defect, which I think is the reason behind the abysmal performa...

대략 2년 전 | 답변 수: 2 | 1

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In what way is the new R2021b Editor UI "improved"?
I find the "new and improved" Editor UI in R2021b to be extremely irritating, in no way better than R2021a. How did this get pas...

2년 초과 전 | 답변 수: 3 | 11

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Is this a bug in eig?
This issue came up with the roots function (see roots_ on File Exchange), where eig was failing on the companion matrix. Follow...

대략 3년 전 | 답변 수: 1 | 3

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