kengkia SG can anyone one here 're-teach' me abt matrix and it's basic operations? i have learnt in sec. skl but throw everything back to skl lo..but i want to re-learn it to do something..thanks in advance..
jiaxing2 SG a b + w x = a + w b + xc d y z c + y d + zsame for subtractiona b * w x = aw+by ax+bzc d y z cw+dy cx+dzdeterminant :( a b c d ) Det (M) = ad -bcInverse: = 1/(ad-bc) ( d -b -c a)3 x 3 onwards require alot more calculation...
kengkia SG this yr sec 4 batch o lvl no more transformation liao ya...i just read the maths textbook ard...only..like say a level maths and sec a maths then got...