Sunday

December 21, 2014

December 21, 2014

Posted by **mathstudent** on Friday, July 20, 2007 at 3:49pm.

In other words, if two matrices are similar, then they must have the same trace.

Got the answer from Wikipedia:

tr(AB) = tr(BA)

tr(ABC) = tr(CAB)

tr(P^-1 * A * P) = tr(P^-1 * P * A) = tr(A)

**Answer this Question**

**Related Questions**

linear algebra - if: A and B are matrices and A^2 is similar to B^2 Is A ...

Biology - Which one of the following is not a trace element in the human body? a...

Math (matrices) - No one answered my matrix question. Let me rephrase: Let A, B...

math - using three dimensional objects. trace one face of a cone. trace one face...

GEOMETRY - Which of the following is NOT a way you can show that triangles are ...

geometry - Which of the following is NOT a way you can show that triangles are ...

Geometry - Which of the following is NOT a way you can show that triangles are ...

math - Prove that if A is a symmetric n x n matrix, then A has a set of n ...

government - I just need some ideas please. I have to trace a policy example ...

maths - This question is about plotting two points and drawing the straight line...