I have no clue what this means?
Given the following matrix, what is the value of a11?
[8 11 13]
[17 0 6]
[4 16 18]

Question

I have no clue what this means?
Given the following matrix, what is the value of a11?   	
                 [8	  	11	  	13] 
                 [17	  	0	  	6] 
                 [4	  	16	  	18]

amistre64 · Answer

$$A_{rc}$$

amistre64 · Answer

r1, c1  is the entry in the first row first column

anonymous · Answer

so it would be 11x8 ?

anonymous · Answer

no, a11 is the number in row1 and column 1. in this case = 8. If it was a12 it would be 11...

amistre64 · Answer

a11 would be the entry in the 1st row 1st column:  8 is it

anonymous · Answer

Oh, ok i see the way you wrote the first thing made me think you had to multiply them, thank you very much

amistre64 · Answer

the name of the matrix is a

it has r, rows and c, columns

a_rc defines which row and which column