If we think about this algebraically, what we really want to do is express the input pixel as the weighted sum of palette colours. This is nothing more than a linear combination of palette colours with weights :
Many observers believe North Korean leader has decided daughter Kim Ju-ae will succeed him, but others say gender politics could block her path to power
，更多细节参见夫子
Известный американский писатель-фантаст Дэн Симмонс 21 февраля ушел из жизни в возрасте 77 лет. Об этом сообщается на сайте Degnity Memorial.
More than 50 years since the last Apollo mission, Nasa is preparing to send astronauts back to the Moon.