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Joel C Zinn edited Integrals_Multivariate_delta_functions_delta__.tex
about 8 years ago
Commit id: 94f50614270d9c1ec8494d61d04dd1bb77c82bc4
deletions | additions
diff --git a/Integrals_Multivariate_delta_functions_delta__.tex b/Integrals_Multivariate_delta_functions_delta__.tex
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--- a/Integrals_Multivariate_delta_functions_delta__.tex
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Integrals
Multivariate delta functions
\[
\delta{g(\vec{x})} = \int_{poles} \frac{\vec{x}}{|\Delta g(\vec{x})|}
\]
Plug this into your integrand and simplify before evaluating.