macierz 用英语:

It makes things easier if your matrix is sparse.

A diagonal matrix is positive semidefinite if and only if all of its elements are nonnegative.

How's your mother?

Typical Japanese babies sleep with their mother after coming home from hospital.

Tom is convinced that his mother doesn't want to eat now.

Tom gave Mary some money to help her buy her mother a Christmas present.

Mother Teresa was a Catholic nun who lived and worked in Calcutta, India.

The mother will not be at ease until she hears of her son's safe arrival.

You should call your mother as soon as possible.

If you need some money, why don't you borrow some from your mother?

While cleaning my room yesterday evening, I happened to find an old photograph of my mother.

I also found every letter he had ever written to my mother.

He finally decided to go to his mother with the news his father had shared.

Mother, I'm sorry for causing you trouble all the time.

My family consists of my father, mother, and sister.

Father embraced Mother lovingly.

Tom has a friend whose mother is a veterinarian.