matlab 工具函数 —— logdet(A) 当参数A是正定矩阵(positive definite)时,logdet 利用相关矩阵分解的性质,将比 log(det(A)) 获得更快的效率: functiony=logdet(A)tryU = chol(A); y =2*sum(log(diag(U))) ;catchy =0; warning('logdet:postdef','Matrix is not positive definite');endend...
function y = logdet(A) try U = chol(A); y = 2*sum(log(diag(U))) ; catch y = 0; warning('logdet:postdef', 'Matrix is not positive definite'); end end 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
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matlab 工具函数 —— logdet(A) 2016-12-17 16:42 −... 未雨愁眸 0 1720 Matlab .asv文件 2019-10-18 10:01 −参考: https://blog.csdn.net/u013152895/article/details/44724199 有时在存放m文件的文件夹中会出现*.asv asv 就是auto save的意思,*.asv文件的内容和相应的*.m文件内容一样,...
<2025年2月> 日一二三四五六 2627282930311 2345678 9101112131415 16171819202122 2324252627281 2345678 随笔档案 当参数A是正定矩阵(positive definite)时,logdet 利用相关矩阵分解的性质,将比 log(det(A)) 获得更快的效率: functiony=logdet(A)tryU = chol(A); y =2*sum(log(diag(U))) ;catchy =0; warn...