If $A$ is any $n×n$ skew symmetric matrix, then $〖 a〗_{ii}=0, 0≤i≤n$. True/False
I just don't understand the problem very well. what does $〖 a〗_{ii}=0$ refer to? is the statement true or false?
2026-04-28 12:41:42.1777380102
If $A$ is any $n×n$ skew symmetric matrix, then$〖 a〗_ii=0,0≤i≤n$
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It’s saying that the entries along the main diagonal are 0. a_ii refers to the i^th row and i^th column which are the diagonal entries. These are zero because in a skew symmetric matrix you have a_ij=-a_ji and so you have a_ii=-a_ii so a_ii must then be zero.