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denotes identity matrix of size.
(3). is a square matrix of size.
stands for a zero matrix of size.
where is the identity matrix of size.
denotes the identity matrix of size, and denotes all-zero matrix of size.
The th diagonal matrix of size is defined as.
where is the commutation matrix of size [30].
I M is an identity matrix of size M×M.
where [I] m is identity matrix of size m.
is a matrix of size with all entries being zeros.
I n denotes the identity matrix of size n×n.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.
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CEO of Professional Science Editing for Scientists @ prosciediting.com