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日期:2025-04-30
2004年12月24日 ... 函式lsconv是當資料的共變異(covariance)矩陣已知時,用來解決有權重的最小平方
問題,而lsqnonneg找 ......
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日期:2025-05-02
For matrix input X, where each row is an observation, and each column is a
variable, cov(X) is the covariance matrix. diag(cov(X)) is a vector of variances for
......
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日期:2025-04-27
For matrix input X, where each row is an observation, and each column is a
variable, cov(X) is the covariance matrix. diag(cov(X)) is a vector of variances for
......