英文:
CartesianIndices from start and end tuples
问题
我想使用起始和结束元组构建CartesianIndices。例如，我想使用start = (2,3)和end = (4,5)构建CartesianIndices((2:4, 3:5))。
CartesianIndices没有为此提供构造函数。是否有简单的替代方法？
英文:
I want to construct CartesianIndices using start and end tuples. For example, I want to construct CartesianIndices((2:4, 3:5)) given start = (2,3) and end = (4,5).
CartesianIndices provides no constructor for this. Is there an easy alternative?
答案1
得分: 1
是的，有的：
julia> CartesianIndices(UnitRange.((2,3), (4,5))) |> collect
3×3 Matrix{CartesianIndex{2}}:
CartesianIndex(2, 3) CartesianIndex(2, 4) CartesianIndex(2, 5)
CartesianIndex(3, 3) CartesianIndex(3, 4) CartesianIndex(3, 5)
CartesianIndex(4, 3) CartesianIndex(4, 4) CartesianIndex(4, 5)
英文:
Yes, there is:
julia> CartesianIndices(UnitRange.((2,3), (4,5))) |> collect
3×3 Matrix{CartesianIndex{2}}:
CartesianIndex(2, 3) CartesianIndex(2, 4) CartesianIndex(2, 5)
CartesianIndex(3, 3) CartesianIndex(3, 4) CartesianIndex(3, 5)
CartesianIndex(4, 3) CartesianIndex(4, 4) CartesianIndex(4, 5)
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