On the other hand
@tullio a[i] = b[i,j]*c[j]
is incredibly fast and easy to understand for one line of code 
(see the thread)
Mostly don’t write loops, let macros do that for you!
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On the other hand
@tullio a[i] = b[i,j]*c[j]
is incredibly fast and easy to understand for one line of code (see the thread)
Mostly don’t write loops, let macros do that for you!