fixed point singular value decomposition in c/c++ [closed]

我怕爱的太早我们不能终老 提交于 2020-01-07 09:43:50

问题


I am looking for some c/c++ libraries to do fixed point singular value decomposition or eigenvalue decomposition. Do you know any libraries or any pointers to existing codes?

Thanks


回答1:


There is a good answer to your question in this thread: Single Value Decomposition implementation C++

Also, @Bathsheba is pointing you to a good resource, in Numerical Recipes. C is free, but C++ is only "available" with the paid version:

C: http://apps.nrbook.com/c/index.html

C++: http://www.nr.com/oldverswitcher.html




回答2:


Numerical recipes is a good place to start for all this stuff, visit www.nr.com.

It has versions in C and C++ and other languages although an old cat like me sticks to the C versions.

The very well-written book also explains the algorithms in good detail (the authors are 4 Cambridge professors).

You will have to do some tweaking for fixed point; may be as simple as changing the data types.

Worth a look though methinks.



来源:https://stackoverflow.com/questions/16614900/fixed-point-singular-value-decomposition-in-c-c

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