Core of matrix (pure translatio)

[maros522]

Hello all,

I have problem with name of type of matrix. The definition is next:
The core of matrix A is collection of vectors x, for which is valid Ax=0.

Does anybody know the name of this type in english language. Example will be also good.

Thank You

 

[NoMoreExams]

Nullspace?

http://en.wikipedia.org/wiki/Nullspace

 

[tim_lou]

It's usually called the kernel or the null space of A
kerA ={x | Ax=0}

 

[maros522]

Thank You, it is exactly what I want.