Equation 6 · Part 1 · The Hardest Unsolved Problems in Mechanistic Interpretability
Symbol g
What this part means
g is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
g is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol g→Article meaning
The passage around this formula
with g itself sparse. A direction that a large dictionary presents as one unit is recoverable as a sparse combination of a smaller dictionary’s units, which means the large dictionary’s “atoms” are not atomic. Put the incompleteness and the non-atomicity results together and no dictionary size is…
Learn the underlying idea
A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
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Sources cited in the surrounding passage
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