nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

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具有三個變數 X、Y、Z 的資料曲線擬合

我有包含 3 個變數 X、Y、Z 的數據，我想擬合一個模型，例如...
Y=a(x)+b(z)+c，
X和Z也可能有一些冪(n)。怎麼做呢？請指導

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