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[tex]\sum_{u,v} H_{i-u,j-v}F_{u,v}[/tex]

the same as

[tex]\sum_u\sum_v H_{i-u,j-v}F_{u,v}[/tex]

?

(Don't worry about what H,F,i,j,u,v are. I'm only asking about the notation.)

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# Summation notation

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