今天介绍一个推算土壤水力参数的软件 Rosetta （图1）。 该软件在使用 HYDRUS模型 时会遇到（图2），主要功能是利用土壤传输方程（Soil pedotransfer functions），将土壤黏、粉、砂 …

对比Policy Transfer Framework (PTF) 与vanilla A3C的算法框架可以看出，PTF在actor的loss中引入了当前thread策略 \pi(\theta^\prime) 与当前sp \pi_o 的 交叉熵 H(\pi_o||\pi(\theta)^\prime) ， …

2023年2月16日 · In the present study, the evaluation of soil moisture at different suction pressure using the adaptive neuro-fuzzy inference systems (ANFIS) approach based on soil texture …

迁移学习（Transfer Learning，TL） 可以将从专家或其他过程中获取的知识迁移到当前任务中，达到加速学习的作用。 迁移学习在监督学习（Supervised Learning）领域已经得到了广泛的研 …

2018年4月25日 · The term pedotransfer function (PTF) was coined by Bouma (1989) as ‘translating data we have into what we need’. Pedotransfer functions are regression functions …

Many of the identities we used for solving the problem of representations by sums of squares could be boiled down to identities about the theta function, a q-series supported on powers n2. …

Two further theta function identities are given in Theorems 7.1 and 7.2. These do not seem to have been stated by Ramanujan, although they can be derived from his work. Theorem 7.1 …

We will call the irreducible quotients of Θ(π) the local theta lifts of π. We summarize some results about the big theta lift. Proposition 2.1. For any π∈Irr(U(V)), Θ(π) is of finite length. In …

Book Title: Theta Functions. Authors: Jun-ichi Igusa. Series Title: Grundlehren der mathematischen Wissenschaften. DOI: https://doi.org/10.1007/978-3-642-65315-5. Publisher: …

theta functions are simply 𝜃shifted by the half-periods of 𝛬, modulo a certain scaling factor. This is explained in the more general theory of theta functions with characteristic, which is …