As an example, the riding index of diesel locomotive type DF 9 is calculated and the results of linear and nonlinear models of the locomotive are compared.
本文以东风9内燃机车为例，分析了各种速度下的平稳性指数，并比较了线性模型和非线性模型的分析结果。
Adaptive controllers based on simplified linear and nonlinear models are studied by simulation and the results show that the latter has better property of convergence.
通过对基于简化线性和非线性模型的自适应控制器的仿真研究，结果表明后者具有更好的收敛性。
For generalized linear and nonlinear models, it is still a conventional hypothesis that observed data should have nominal dispersion, otherwise statistical inference would be more difficult.
对于广义回归模型，人们也总是假设数据具有名义离差，否则，统计推断更加困难。
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