在現今講究高效率以及高品質的工業社會中，實驗設計所扮演的角色也越來越形重要，近幾年來，計數函數的出現為實驗設計上的研究上提供了不同以往的工具，其在正規設計與非正規設計之間扮演著連接橋樑的角色，對於非正規設計的理論研究發展上提供了大量的研究課題。而實驗設計中設計的相異試驗點個數一直為我們感興趣的部分，因為在設計中相異試驗點的個數，代表可估模型最多可容納的不同效應之上限。在本篇論文中，我們將利用代數學中的理想與Grobner基底來探討實驗設計中相異試驗點的問題。

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