What it means
A superscript T flips a matrix over its diagonal, so rows become columns. A column vector transposed is a row vector, which is how dot products are written as matrix products.
Read aloud in real formulas
(AB)ᵀ = BᵀAᵀ
Aethel says
the quantity A B, transpose equals B transpose A transpose
transposing a product reverses the order
softmax(QKᵀ / √dₖ)
Aethel says
softmax of the quantity QK transpose over the square root of d sub k
every query against every key
Typing it
- LaTeX
- A^\top, A^T
- Unicode
- U+1D40
Formulas that use it
Questions
How do you say ᵀ out loud?
It is usually read “transpose”.
What does ᵀ mean in maths?
A superscript T flips a matrix over its diagonal, so rows become columns. A column vector transposed is a row vector, which is how dot products are written as matrix products.
How do you type ᵀ?
In LaTeX, write A^\top, A^T. Its Unicode code point is U+1D40.