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If we write P_{ijk} P^T_{lmn}, and do the matrix multiplication in the usual way of multiplying rows against columns, we can make use of the orthonormality of the e vectors to get P_{ijk} P^T_{lmn} equals this Kronecker delta
The Remarkable Relationship between the Levi-Civita Symbol and the Kronecker Delta | Deep Dive Maths
If we write P_{ijk} P^T_{lmn}, and do the matrix multiplication in the usual way of multiplying rows against columns, we can make use of the orthonormality of the e vectors to get P_{ijk} P^T_{lmn} equals this Kronecker delta
The Remarkable Relationship between the Levi-Civita Symbol and the Kronecker Delta | Deep Dive Maths
each of the moles turns into three times each of the moles turns into three times as many moles or whatever multiplying as many moles or whatever multiplying
Gibbs-Duhem Equation
example one where you had the five example one where you had the five people but you were multiplying by two people but you were multiplying by two
Degree of Vertices | Definition, Theorem & Example | Graph Theory