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Initial release of the einsum R package.
Features:
einsum(): execute complex array multiplications using a
concise and unambiguous based on the Einstein notation
("abc, b, c -> ac").einsum_generator(): generate an efficient C++ function
that can be used for repeatedly executing the same multiplication. It
can also produce the source code for a C++ function which you can
integrate into your own package.Thanks to @kokitsuyuzaki for helping me push this over the finish line and the numpy project for their equivalent function that inspired this package.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.