Cayley Hamilton Calculator
Free online cayley hamilton calculator. Enter your values and get instant results with the formula, step-by-step working, a worked example and FAQs — everything runs locally in your browser on Calcton, no signup required.
中文版:凯莱-哈密顿定理验证器
原理:凯莱-哈密顿定理断言任何方阵都满足自己的特征多项式——2 阶矩阵满足 A² − (tr A)·A + (det A)·I = 0,3 阶矩阵满足 A³ − (tr A)·A² + M·A − (det A)·I = 0,其中 M 是三个二阶主子式之和。
步骤:① 按行输入矩阵;② 点击验证;③ 查看特征多项式与把矩阵代入多项式后的残差。
示例:A = [[2, 1], [1, 3]] 的特征多项式为 λ^2 − 5λ + 5,代入得残差 0;3 阶例 A = [[1, 2, 3], [0, 1, 4], [5, 6, 0]] 的特征多项式为 λ^3 − 2λ^2 + -38λ − 1,把矩阵代入同样精确归零。
注意事项:定理对任意复方阵都成立,但浮点残差只应接近机器精度(约 10⁻¹⁴ 到 10⁻¹⁰),输入含大数时残差会按元素量级放大,用相对量级判断更稳妥;该定理也是求 2×2 矩阵逆的快速公式来源。
相关:行列式计算器给出特征多项式的常数项;幂法计算器用迭代逼近主特征值;克拉默法则计算器利用行列式直接解方程组。
How to use the Cayley Hamilton Calculator
- Fill in the inputs with your own numbers — every field shows what it expects.
- The result updates instantly as you type; no "Calculate" click needed.
- Read the result card for the main figure, the step-by-step formula, and practical notes.
Frequently asked questions
Is the Cayley Hamilton Calculator free?
Yes — all math calculators on Calcton are free, with no sign-up required. Your inputs are processed in your browser and never sent to a server.
Is there a Chinese version of this tool?
Yes. Use the Chinese version link above — it is the same calculator with the interface in Simplified Chinese.
References
Formulas and benchmarks used by this calculator follow these published sources.
KevinContent LeadCalcton Editorial Team · Last updated 2026-10-04
Kevin maintains Calcton's formula verification and content: every calculator cites the standard it implements, worked examples are recomputed programmatically, and health benchmarks follow WHO and international guidelines.
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