这并非小问题：当梯度估计变得极其微弱时，任何优化策略都会变得低效，变分量子算法的可扩展性受到严重限制。即使使用反向传播等技巧，也无法根本绕开由电路结构和初始化导致的统计性下界。

EFT offers high income via floating rate loans but faces headwinds from likely interest rate cuts, which could reduce distributions in 2025. The fund's returns rely almost entirely on distributions, ...

Humans are always looking for more ways to ease stress and anxiety. Medications work well for many people, but they have drawbacks, including cost and side effects. If you're looking for an ...