例句與造句

1. One way to help to conceptualize this is to consider a simple smoothing matrix like a Gaussian blur function.
2. If, however, you use leave-one-out cross validation in the model fitting phase, the trace of the smoothing matrix is always zero, corresponding to zero parameters for the AIC . Thus, NPMR with cross-validation in the model fitting phase already penalizes the measure of fit, such that the error rate of the training data set is expected to approximate the error rate in a validation data set.
3. It's difficult to find smoothing matrix in a sentence. 用smoothing matrix造句挺難的