noun
nonlinearity
Technical term in mathematics and physics referring to the property of a system or function where the output is not directly proportional to the input.
この方程式の非線形性が解析を難しくしている。
The nonlinearity of this equation makes analysis difficult.
材料の非線形性を考慮したシミュレーションが必要だ。
A simulation that takes into account the nonlinearity of the material is necessary.