def incr_by(self, member, increment):
        self.zincrby(member, increment)
Compute the trace(ab) for two upper or banded real symmetric matrices
dataset/ETHPy150Open iamteem/redisco/redisco/containers.py/SortedSet.incr_by--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/sandbox/bspline.py/_trace_symbanded