if i have a matrix like A= (1 2 3 4;5 6 7 8;9 10 11 12 ; 13 14 15 16) adding three adjacent elements will look like A(i,j)+A(i,(j+1))+A(i,(j+2)) how can i do this for n adjacent elements ?

# MATLAB: Adding adjacent n elements in a matrix

addition

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addition

if i have a matrix like A= (1 2 3 4;5 6 7 8;9 10 11 12 ; 13 14 15 16) adding three adjacent elements will look like A(i,j)+A(i,(j+1))+A(i,(j+2)) how can i do this for n adjacent elements ?

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