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expm(f) on GPU (CUDA+MATLAB)

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ZireX
ZireX 2011-4-11
Hello. how we would implement the calculation of exponential matrices (expm) on the GPU. This function is used in all engineering calculations of electronic circuits (the calculation of currents, voltages ...). Computation time on the CPU is huge!

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回答（2 个）

John Melonakos
John Melonakos 2011-4-11
Hey, this looks like the same question that was answered on the Jacket forums, here: <http://forums.accelereyes.com/forums/viewtopic.php?f=7&t=1981>
Walter Roberson
Walter Roberson 2011-4-11
Hmmm, looks like there are lots of wrong ways to do it; see the references to the expm function for algorithms.
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ZireX
ZireX 2011-4-11
PS
found that Cuda has a function called expm1f()
Walter Roberson
Walter Roberson 2011-4-29
This topic showed up as having been changed, but there isn't anything obvious to me different about the wording.
You probably figured out long ago that expm1f() has nothing at all to do with expm()

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