现在，这是一个由三个向量的线性组合，它们碰巧…
It's a linear combination now of 3 vectors and they happened to be...
取这三个列向量的线性组合，试着去找到b，事实上，针对这个矩阵的答案是对的。
I'm taking linear combinations of these 3 columns and I'm trying to find b, and actually the answer for this matrix will be yes.
大多数天然物质表面的光谱反射率曲线比较平滑，可视为几个基向量的线性组合。
Since the vast majority of reflectance spectra for surfaces are smooth functions, each reflectance spectrum can be represented as the weighted sum of basis functions.
大多数天然物质表面的光谱反射率曲线比较平滑，可视为几个基向量的线性组合。
Since the vast majority of reflectance spectra for surfaces are smooth functions, each reflectance spectrum can be represented as the weighted sum of basis functions.
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