导语在数学和计算机科学领域，研究人员早已明白，有些问题从根本上就无解。如今，物理学家正在探索，即使是普通的物理系统，也会对我们能够预测的内容设置严格的限制，甚至在理论上也是如此。研究领域：不可判定性、混沌系统、拉普拉斯妖、量子力学、图灵停机问题、能隙 ...

School of Civil Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia ...

py-pde is a Python package for solving partial differential equations (PDEs). The package provides classes for grids on which scalar and tensor fields can be defined. The associated differential ...

An equation is a statement with an equals sign, stating that two expressions are equal in value, for example \(3x + 5 = 11\) Solving an equation means finding the value or values for which the two ...