Make SLQ integrands behave correctly for arbitrary input vectors #174
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…not just unit-second-moment input vectors
pnkraemer
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make-slq-behave-correctly-for-non-unit-2-norm-vectors
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For any vector$v$ , evaluating $v^\top f(A) v$ with SLQ using max-order Lanczos should be exact.
Before this PR, this is only true for Rademacher-distributed input vectors (and in expectation, for normally-distributed input vectors).
After this PR, it is true for arbitrary input vectors.