Alessandro Russo

Last seen: 6 Tage vor | Aktiv seit 2021

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Professional Interests: finite element method

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null() fails for a symbolic numeric 5x5 matrix
Just to inform you that in MATLAB version 9.13.0.2049777 (R2022b) the bug seems to have been solved. Ciao. Ale >> a = str2sym...

mehr als 3 Jahre vor | 0

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null() fails for a symbolic numeric 5x5 matrix
Hi everybody, I filed a bug report (Case Number 05453152). Incoherent results also appear with qr() and simplify: >> [Q,R]=qr(...

fast 4 Jahre vor | 0

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null() fails for a symbolic numeric 5x5 matrix
Define the following symbolic 5x5 matrix whose entries are all numbers: a = str2sym('-(sqrt(sqrt(5) + 5)*(69*sqrt(2) - 13*sqrt(...

fast 4 Jahre vor | 4 Antworten | 0

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Condition number of Hilbert matrix depending on MATLAB build??
Hi, I am a teacher of Numerical Analysis and one of my student noticed that the condition number of the 20x20 Hilbert matrix co...

etwa 5 Jahre vor | 1 Antwort | 0

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