nnls

版本 1.0.0.0 (1014 字节) 作者: Uriel Roque
block principal pivoting algorithm
4.8
(6)
2.1K 次下载
更新时间 2006/5/2

无许可证

solves the linear least squares problem with nonnegative variables using the block principal pivoting algorithm in:
Portugal, Judice and Vicente, A comparison of block pivoting and interior point algorithms for linear least squares problems with nonnegative variables, Mathematics of Computation, 63(1994), pp. 625-643

引用格式

Uriel Roque (2024). nnls (https://www.mathworks.com/matlabcentral/fileexchange/8157-nnls), MATLAB Central File Exchange. 检索来源 .

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致谢

启发作品: zeroSR1, LBFGSB (L-BFGS-B) mex wrapper

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版本 已发布 发行说明
1.0.0.0

Algorithm corrected.
User can now select a random or a fixed initial permutation of the set of {1,...,n}
working with fixed permutations seems to be faster