Xmsc(i,:) = (Xnir(i,:) - p(2) * ones(1, n))./(p(1) * ones(1, n));
时间: 2023-10-10 07:09:53 浏览: 39
This line of code is performing a mathematical operation on a matrix called Xnir. The matrix has a size of i rows and n columns.
The operation involves subtracting a constant value (p(2)) from each element of the matrix Xnir, and then dividing the result by another constant value (p(1)).
The resulting matrix is then assigned to a new matrix called Xmsc, which has the same size as Xnir.
The purpose of this operation is to perform a spectral correction on the data in Xnir, which is often necessary in spectroscopy to remove unwanted variation in the data caused by factors such as instrument drift or sample thickness. The constants p(1) and p(2) are typically determined through a calibration process.
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