Mercurial > repos > public > sbplib_julia

comparison src/LazyTensors/lazy_tensor_operations.jl @ 400:c640f37d1c74 feature/lazy_linear_map

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Update documentation
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Mon, 05 Oct 2020 10:34:50 +0200
parents 3b4b1758a8ad
children 1936e38fe51e
comparison
equal deleted inserted replaced
399:3b4b1758a8ad 400:c640f37d1c74
102 # export → 102 # export →
103 """ 103 """
104 LazyLinearMap{T,R,D,...}(A, range_indicies, domain_indicies) 104 LazyLinearMap{T,R,D,...}(A, range_indicies, domain_indicies)
105 105
106 TensorMapping defined by the AbstractArray A. `range_indicies` and `domain_indicies` define which indicies of A should 106 TensorMapping defined by the AbstractArray A. `range_indicies` and `domain_indicies` define which indicies of A should
107 be considerd the range and domain of the TensorMapping. 107 be considerd the range and domain of the TensorMapping. Each set of indices must be ordered in ascending order.
108 108
109 When the LazyLinearMap is applied to a vector size domain_size the 109 For instance, if A is a m x n matrix, and range_size = (1,), domain_size = (2,), then the LazyLinearMap performs the
110 map sums over the dimensions orthogonal to those specified in range_indicies resulting 110 standard matrix-vector product on vectors of size n.
111 in a vector of size range_size.
112 """ 111 """
113 struct LazyLinearMap{T,R,D, RD, AA<:AbstractArray{T,RD}} <: TensorMapping{T,R,D} 112 struct LazyLinearMap{T,R,D, RD, AA<:AbstractArray{T,RD}} <: TensorMapping{T,R,D}
114 A::AA 113 A::AA
115 range_indicies::NTuple{R,Int} 114 range_indicies::NTuple{R,Int}
116 domain_indicies::NTuple{D,Int} 115 domain_indicies::NTuple{D,Int}