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MyWikiBiz, Author Your Legacy — Wednesday November 20, 2024
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→‎Note 7: write a few symbols out for ease of reading
Line 5,763: Line 5,763:  
\\[6pt]
 
\\[6pt]
 
\operatorname{E}f(x, y, \operatorname{d}x, \operatorname{d}y)
 
\operatorname{E}f(x, y, \operatorname{d}x, \operatorname{d}y)
& = &
+
& = &
 
f(x + \operatorname{d}x, y + \operatorname{d}y).
 
f(x + \operatorname{d}x, y + \operatorname{d}y).
 
\end{array}</math>
 
\end{array}</math>
 
|}
 
|}
   −
Evaluating <math>\operatorname{E}f</math> at particular values of <math>\operatorname{d}x</math> and <math>\operatorname{d}y,</math> for example, <math>\operatorname{d}x = i</math> and <math>\operatorname{d}y = j,</math> where <math>i, j \in \mathbb{B},</math> leads to the following result:
+
Evaluating <math>\operatorname{E}f</math> at particular values of <math>\operatorname{d}x</math> and <math>\operatorname{d}y,</math> for example, <math>\operatorname{d}x = i</math> and <math>\operatorname{d}y = j,</math> where <math>i\!</math> and <math>j\!</math> are values in <math>\mathbb{B},</math> produces the following result:
    
{| align="center" cellpadding="6" width="90%"
 
{| align="center" cellpadding="6" width="90%"
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