What is the trace of a 3x3 identity matrix?
What is the trace of a 3x3 identity matrix?
Approach: Sum of diagonal (1+1+1).
3.
Follow-up: What is the trace of a 3x3 zero matrix?
Key concepts: trace.
What is the trace of a 3x3 identity matrix?
Approach: Sum of diagonal (1+1+1).
3.
Follow-up: What is the trace of a 3x3 zero matrix?
Key concepts: trace.