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QR decomposition

Neagin N S

Prodigy 30 points

I am using the function DSPF_sp_qrd_cmplx from dsp library for QR decomposition. But am getting wrong results in Q (last column) and R ( last element). Please let me know how to fix this.

over 10 years ago

0 Raja over 10 years ago

TI__Guru* 81335 points

Hi Neagin,

Welcome to the TI E2E forum. I hope you will find many good answers here and in the TI.com documents and in the TI Wiki Pages (for processor issues). Be sure to search those for helpful information and to browse for the questions others may have asked on similar topics (e2e.ti.com). Please read all the links below my signature.

Please provide DSP part and MCSDK version used etc. We will get back to you on the above query shortly. Thank you for your patience.

0 one and zero over 10 years ago in reply to Raja

TI__Mastermind 18256 points

Hi Neagin,

please have a look at the HPC MCSDK which contains a Linear Algebra Library:

Kind regards,

one and zero

0 Neagin N S over 10 years ago in reply to Raja

Prodigy 30 points

I am using dsplib_c66x_3_4_0_0 and mcsdk_2_01_02_05.

0 one and zero over 10 years ago in reply to Neagin N S

TI__Mastermind 18256 points

Hi Neagin,

as I said you need the HPC MCSDK it contains BLAS for c66x.

Kind regards,
one and zero

0 Neagin N S over 10 years ago in reply to one and zero

Prodigy 30 points

Thanks for your response. Does BLAS work on WIndows desktop as well?

0 one and zero over 10 years ago in reply to Neagin N S

TI__Mastermind 18256 points

if you want BLAS only you can download it from Git:
https://git.ti.com/blas-lib/

Kind regards,
one and zero