MyWikiBiz, Author Your Legacy — Saturday October 11, 2025
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, 15:47, 11 March 2009
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| \\ \\ | | \\ \\ |
| & = & & & \texttt{u(v)} \cdot \texttt{du} & + & \texttt{(u)v} \cdot \texttt{dv} & + & \texttt{(u)(v)} \cdot \texttt{(du, dv)} | | & = & & & \texttt{u(v)} \cdot \texttt{du} & + & \texttt{(u)v} \cdot \texttt{dv} & + & \texttt{(u)(v)} \cdot \texttt{(du, dv)} |
| + | \end{matrix}</math> |
| + | |} |
| + | |
| + | Figure 1.5 shows what remains of the difference map <math>\operatorname{D}f</math> when the first order linear contribution <math>\operatorname{d}f</math> is removed, namely: |
| + | |
| + | {| align="center" cellpadding="8" width="90%" |
| + | | |
| + | <math>\begin{matrix} |
| + | \operatorname{r}f |
| + | & = & \texttt{uv} \cdot \texttt{du~dv} & + & \texttt{u(v)} \cdot \texttt{du~dv} & + & \texttt{(u)v} \cdot \texttt{du~dv} & + & \texttt{(u)(v)} \cdot \texttt{du dv} |
| + | \\ \\ |
| + | & = & \texttt{du~dv} |
| \end{matrix}</math> | | \end{matrix}</math> |
| |} | | |} |
| | | |
| <pre> | | <pre> |
− | Figure 1.5 shows what remains of the difference map Df
| |
− | when the first order linear contribution df is removed:
| |
− | rf = uv du dv + u(v) du dv + (u)v du dv + (u)(v) du dv.
| |
− | This form can be written more succinctly as rf = du dv.
| |
− |
| |
| o---------------------------------------o | | o---------------------------------------o |
| | | | | | | |