one
one(x)
Get the multiplicative identity element for the type of x (x can also specify the type itself). For matrices, returns an identity matrix of the appropriate size and type.
Examples
julia> one(10)
1
julia> foo = zeros(Int8, (2,2));
julia> one(foo)
2x2 Array{Int8,2}:
1 0
0 1
julia> complexNumber = complex(1, 1); # 1 + 1im
julia> one(complexNumber)
1 + 0imSee Also
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