Adding and Subtracting Matrices
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Key: HAMA-11
URL: https://issues.apache.org/jira/browse/HAMA-11
Project: Hama
Issue Type: Improvement
Components: algorithm
Reporter: Edward J. Yoon
Matrix addition/subtraction is fairly simple, and is done entry-wise. For
instance:
If Matrix A = {[a, b], [c, d]}, Matrix B = {[e, f], [g, h]},
A + B
Add the pairs of entries, and simplify for the final answer:
{[a, b], [c, d]} + {[e, f], [g, h]} = {[a + e, b + f], [c + g, d + h]}
So, we can solve this using the mapreduce by 1D row-wise partitioning.
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