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Coordinatewise LSTM learned optimizers

Contribution grade

Learning optimization algorithms · Human-designed research method or resource

Reference score145,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Trains recurrent update rules across optimization tasks, sharing a coordinatewise LSTM's parameters while retaining separate hidden states to propose gradient-history-dependent parameter steps.

Scientific scope

Trains recurrent update rules across optimization tasks, sharing a coordinatewise LSTM's parameters while retaining separate hidden states to propose gradient-history-dependent parameter steps. Meta-gradients drop optimizee second-derivative paths and optimize a finite weighted trajectory objective; transfer beyond training-task structure is empirical, not arbitrary-function convergence. LSTMs, meta-learning and earlier learned-update methods are inherited rather than newly invented.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Meta-gradients drop optimizee second-derivative paths and optimize a finite weighted trajectory objective; transfer beyond training-task structure is empirical, not arbitrary-function convergence. LSTMs, meta-learning and earlier learned-update methods are inherited rather than newly invented.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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