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documentation:ref:diracsimplify [2015/11/20 20:13] poslavskysv [Examples] |
documentation:ref:diracsimplify [2015/11/20 20:20] poslavskysv [Examples] |
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| <sxh groovy; gutter: true> | <sxh groovy; gutter: true> | ||
| defineMatrices 'G_a', 'G5', Matrix1.matrix | defineMatrices 'G_a', 'G5', Matrix1.matrix | ||
| - | def dSimplify = DiracSimplify[[Dimension: 'N']] | + | def dSimplify = DiracSimplify[[Dimension: 'D']] |
| println dSimplify >> 'G_a*G^a'.t | println dSimplify >> 'G_a*G^a'.t | ||
| </sxh> | </sxh> | ||
| <sxh plain; gutter: false> | <sxh plain; gutter: false> | ||
| - | > N | + | > D |
| + | </sxh> | ||
| + | <sxh groovy; gutter: true; first-line: 4> | ||
| + | println dSimplify >> 'G_a*G_b*G^a'.t | ||
| + | </sxh> | ||
| + | <sxh plain; gutter: false> | ||
| + | > -(-2+D)*G_{b} | ||
| </sxh> | </sxh> | ||
| + | ---- | ||
| + | Specify additional simplifications: | ||
| + | <sxh groovy; gutter: true> | ||
| + | defineMatrices 'G_a', 'G5', Matrix1.matrix | ||
| + | def dSimplify = DiracSimplify[[Simplifications: 'p_a*k^a = s'.t]] | ||
| + | println dSimplify >> 'p^b*k^c*G_a*G_b*G_c*G^a'.t | ||
| + | </sxh> | ||
| + | <sxh plain; gutter: false> | ||
| + | > 4*s | ||
| + | </sxh> | ||
| ====See also==== | ====See also==== | ||
| * Related guides: [[documentation:guide:applying_and_manipulating_transformations]], [[documentation:guide:Setting up matrix objects]], [[documentation:guide:list_of_transformations]] | * Related guides: [[documentation:guide:applying_and_manipulating_transformations]], [[documentation:guide:Setting up matrix objects]], [[documentation:guide:list_of_transformations]] | ||