#5381: Refactor matrix kernels
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Reporter: rbeezer | Owner: rbeezer
Type: task | Status: new
Priority: minor | Milestone: sage-3.4.2
Component: linear algebra | Keywords: matrix kernel refactor
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From proposal on sage-devel:
Place the guts of kernel computations for each (specialized) class into a
right_kernel() method, where it would seem to naturally belong. Mostly
these would replace kernel() methods that are computing left kernels. A
call to kernel() or left_kernel() should arrive at the top of the
hierarchy where it would take a transpose and call the (specialized)
right_kernel(). So there wouldn't be a change in behavior in routines
currently calling kernel () or left_kernel(), and we would retain Sage's
preference for the left by having the vanilla kernel() give back a left
kernel. The changes would be more efficient computationally and also make
the code more expressive of what is really happening when and where.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5381>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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