3 lines
57 B
TeX
3 lines
57 B
TeX
\delta S
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=\delta \int_{t_1}^{t_2}L(q,\dot{q},t)\dd{t}
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=0
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\delta S
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=\delta \int_{t_1}^{t_2}L(q,\dot{q},t)\dd{t}
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=0
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