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| {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" | | {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" |
− | |+ '''Differential Forms Expanded on an Algebraic Basis''' | + | |+ '''Partial Differentials and Relative Differentials''' |
− | |- style="background:ghostwhite; height:36px" | + | |- style="background:ghostwhite; height:48px" |
| | | | | |
| | <math>f\!</math> | | | <math>f\!</math> |
− | | <math>\operatorname{D}f</math> | + | | <math>\frac{\partial f}{\partial x}</math> |
− | | <math>\operatorname{d}f</math>
| + | | <math>\frac{\partial f}{\partial y}</math> |
| + | | |
| + | <p><math>\operatorname{d}f =</math></p> |
| + | <p><math>\partial_x f \cdot \operatorname{d}x\ +\ \partial_y f \cdot \operatorname{d}y</math></p> |
| + | | <math>\left. \frac{\partial x}{\partial y} \right| f</math> |
| + | | <math>\left. \frac{\partial y}{\partial x} \right| f</math> |
| |- style="height:36px" | | |- style="height:36px" |
− | | <math>f_{0}\!</math> | + | | <math>f_0\!</math> |
| | <math>(~)\!</math> | | | <math>(~)\!</math> |
| + | | <math>0\!</math> |
| + | | <math>0\!</math> |
| + | | <math>0\!</math> |
| | <math>0\!</math> | | | <math>0\!</math> |
| | <math>0\!</math> | | | <math>0\!</math> |
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| <math>\begin{smallmatrix} | | <math>\begin{smallmatrix} |
− | (y) & \operatorname{d}x & + & | + | (y) \\ |
− | (x) & \operatorname{d}y & + &
| + | y \\ |
− | \operatorname{d}x\ \operatorname{d}y \\
| + | (y) \\ |
− | y & \operatorname{d}x & + & | + | y \\ |
− | (x) & \operatorname{d}y & + &
| + | \end{smallmatrix}</math> |
− | \operatorname{d}x\ \operatorname{d}y \\
| + | |} |
− | (y) & \operatorname{d}x & + & | + | | |
− | x & \operatorname{d}y & + &
| + | {| align="center" |
− | \operatorname{d}x\ \operatorname{d}y \\
| + | | |
− | y & \operatorname{d}x & + & | + | <math>\begin{smallmatrix} |
− | x & \operatorname{d}y & + & | + | (x) \\ |
− | \operatorname{d}x\ \operatorname{d}y \\
| + | (x) \\ |
| + | x \\ |
| + | x \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| (y) & \operatorname{d}x & + & x & \operatorname{d}y \\ | | (y) & \operatorname{d}x & + & x & \operatorname{d}y \\ |
| y & \operatorname{d}x & + & x & \operatorname{d}y \\ | | y & \operatorname{d}x & + & x & \operatorname{d}y \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | ~ \\ |
| + | ~ \\ |
| + | ~ \\ |
| + | ~ \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | ~ \\ |
| + | ~ \\ |
| + | ~ \\ |
| + | ~ \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| (x) \\ | | (x) \\ |
| x \\ | | x \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | 1 \\ |
| + | 1 \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | 0 \\ |
| + | 0 \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| | | | | |
| <math>\begin{smallmatrix} | | <math>\begin{smallmatrix} |
− | \operatorname{d}x \\ | + | ~ \\ |
− | \operatorname{d}x \\ | + | ~ \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | ~ \\ |
| + | ~ \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| (x, & y) \\ | | (x, & y) \\ |
| ((x, & y)) \\ | | ((x, & y)) \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | 1 \\ |
| + | 1 \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | 1 \\ |
| + | 1 \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| | | | | |
| <math>\begin{smallmatrix} | | <math>\begin{smallmatrix} |
− | \operatorname{d}x & + & \operatorname{d}y \\ | + | ~ \\ |
− | \operatorname{d}x & + & \operatorname{d}y \\ | + | ~ \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | ~ \\ |
| + | ~ \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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Line 5,490: |
| (y) \\ | | (y) \\ |
| y \\ | | y \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | 0 \\ |
| + | 0 \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | 1 \\ |
| + | 1 \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| | | | | |
| <math>\begin{smallmatrix} | | <math>\begin{smallmatrix} |
− | \operatorname{d}y \\ | + | ~ \\ |
− | \operatorname{d}y \\ | + | ~ \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | ~ \\ |
| + | ~ \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| | | | | |
| <math>\begin{smallmatrix} | | <math>\begin{smallmatrix} |
− | y & \operatorname{d}x & + & | + | y \\ |
− | x & \operatorname{d}y & + &
| + | (y) \\ |
− | \operatorname{d}x\ \operatorname{d}y \\
| + | y \\ |
− | (y) & \operatorname{d}x & + & | + | (y) \\ |
− | x & \operatorname{d}y & + &
| + | \end{smallmatrix}</math> |
− | \operatorname{d}x\ \operatorname{d}y \\
| + | |} |
− | y & \operatorname{d}x & + & | + | | |
− | (x) & \operatorname{d}y & + &
| + | {| align="center" |
− | \operatorname{d}x\ \operatorname{d}y \\
| + | | |
− | (y) & \operatorname{d}x & + & | + | <math>\begin{smallmatrix} |
− | (x) & \operatorname{d}y & + & | + | x \\ |
− | \operatorname{d}x\ \operatorname{d}y \\
| + | x \\ |
| + | (x) \\ |
| + | (x) \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| y & \operatorname{d}x & + & (x) & \operatorname{d}y \\ | | y & \operatorname{d}x & + & (x) & \operatorname{d}y \\ |
| (y) & \operatorname{d}x & + & (x) & \operatorname{d}y \\ | | (y) & \operatorname{d}x & + & (x) & \operatorname{d}y \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | ~ \\ |
| + | ~ \\ |
| + | ~ \\ |
| + | ~ \\ |
| + | \end{smallmatrix}</math> |
| + | |} |
| + | | |
| + | {| align="center" |
| + | | |
| + | <math>\begin{smallmatrix} |
| + | ~ \\ |
| + | ~ \\ |
| + | ~ \\ |
| + | ~ \\ |
| \end{smallmatrix}</math> | | \end{smallmatrix}</math> |
| |} | | |} |
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| | <math>f_{15}\!</math> | | | <math>f_{15}\!</math> |
| | <math>((~))\!</math> | | | <math>((~))\!</math> |
| + | | <math>0\!</math> |
| + | | <math>0\!</math> |
| + | | <math>0\!</math> |
| | <math>0\!</math> | | | <math>0\!</math> |
| | <math>0\!</math> | | | <math>0\!</math> |
| |} | | |} |
| <br> | | <br> |