May someone help me pls???

Question

angela210793 · Answer

You have matrices A(mxn) and B(nxp) how many operations of multiplication and addition are needed to calculate AxB???

amistre64 · Answer

AxB i take means matrix multiplication; otherwise knnown as a dot product

angela210793 · Answer

yes tht's wht it means

amistre64 · Answer

there is some 2^something jargon that i can never recall but we could try to work it out

amistre64 · Answer

mxn * nxp

every m rows is doted to every n column; and each term is added n-1 times

amistre64 · Answer

1 2 3 a
         b
         c

a1 + b2 + b3 = 3 multiplicataion and 2 addition for a total of 5 flops i think the term is

1x3 * 3x1 = 5 flops

123  ad
456  be
        cf

a1+b2+c3
a4+b5+c6
def
def

12 multiples and 8 adds makes 20 for a 2x3*3x2

this might take awhile lol

amistre64 · Answer

n*m sets of dots

each dot has n multipliers in it

n*m*n

and each has n-1 adds in it

n*n*m*(n-1)

maybe

amistre64 · Answer

mxn nxp

m*p dot products

each one having n multipliers and n-1 additions

might sound better to me without resorting to google lol

amistre64 · Answer

2x3 3x2

(2*2)(3*2) = 24

n+n-1 operations per row ....

amistre64 · Answer

(2*2)(3+2) = 20

that seemst o work

angela210793 · Answer

|dw:1329485736294:dw| don't u have n*n in there???