Saturday

April 19, 2014

April 19, 2014

Posted by **kevin** on Tuesday, January 11, 2011 at 5:54am.

A^T meant to be A transpose.

- math -
**MathMate**, Tuesday, January 11, 2011 at 7:31pmLet a(i,j) stand for the element of A on the ith row and jth column.

Let

A be a skew symmetric matrix.

By the definition of skew-symmetry,

a(j,i)=-a(i,j)

On the diagonal,

i=j

=> a(i,i)=-a(i,i)

=> a(i,i)=0

since x=-x => x=0

**Related Questions**

math - in a skew symmetric, how do we explain that its diagonal entries has to ...

linear algebra - 3. Suppose A is symmetric positive definite and Q is an ...

Math - Mark each of the following True or False. ___ a. All vectors in an ...

MATHS----Matrix - For a given square matrix A the predicted values of matrix B ...

algebra - Hi guys: Can any one please tell me what does this means? Thanks...

Math - Gabe is the human resource manager for the Advanced Scientific Research ...

Discrete Math - a) Show that the relation R on Z x Z defined by (a , b) R (c, d...

Statistics - What kind of transformation will remove a right skew or a left skew...

Diagonalize - construct a nondiagonal 2 x 2 matrix that is diagonalizable but ...

Math - Is the following function symmetric with respect to the y-axis, symmetric...