Schur Decomposition and Matrix Square root

[jaehongyoon]

Hi, I'm trying matrix square root and schur decomposition in LabVIEW. I've found the functions provided but somehow the values 

calculated does not match with Matlab version. Since precision of my values are around e-16~e-18 I know the precision matters

significantly and have matched the input values for both LabVIEW and Matlab. The difference is quite dramatic. Please let me know

if there is anyway to exactly convert Schur decomposition and matrix square root of Matlab into LabVIEW (even if I use math script

the values are different, and have no idea with this). Thank you.

[hooovahh]

Post your code, but I'd guess that Altenbach over on the NI forums is more versed in advanced math on LabVIEW. You might want to post over there and see if anyone else picks it up.  But again post your results and code there if you do.

[PiDi]

 

Since precision of my values are around e-16~e-18 (...)

 

Hmm, machine epsilon on my computer is 2.22045E-16, so there is no way to do precise calculations with e-18...

You can check the machine epsilon with constant from numeric pallete (or with attached snippet):