I have some simple code to make a left-quaternion multiplication matrix: function L_q(q::Vector{T}) where {T<:Real} return [q[1] -q[2:4]'; q[2:4] q[1] * I + SkewSymmetricMatrix(q[2:4])] end But the problem is that the hvcat operation makes the return type unstable. Here’s the output from runni…

Type instability in array concatenation

Tamas_Papp January 4, 2020, 8:18am 2

Please provide an MWE.

Topic		Replies	Views
Array concatenation results in type inconsistency Performance	8	509	December 22, 2020
Type Instability using StaticArrays that I dont get Performance	4	223	January 31, 2024
Reduce + hcat is type unstable General Usage	4	207	April 11, 2024
Why is reduce with concatenation type unstable? General Usage question	2	555	August 19, 2020
Concatenation on matrix-like types on 0.7 General Usage	2	647	April 10, 2018