MAINT: linalg: fix comment, simplify math #7631
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| # cost2 = cost((AB)C) | ||
| cost2 = (B.shape[0] * B.shape[1] * C.shape[1] + # (BC) | ||
| A.shape[0] * A.shape[1] * C.shape[1]) # A(--) | ||
| cost1 = a0 * b1 * (a1 + b1) |
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This should be a0 * b1 * (a1 + c1).
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Oops, good catch. The math is fixed now, and the names and comments should be more informative. I'll wait to squash the commits until it's ready to go. |
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If you squash the commits I'll hit the merge button, LGTM now. |
The comment was a simple copy-paste error. I find the math easier to look at in this form, with the common terms factored out.
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Squashed. |
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Thanks CJ! |
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The comment was a simple copy-paste error.
I find the math easier to look at in this form, with the common terms factored out.