SimplifyDeltaFunction

Description

SimplifyDeltaFunction[exp, x] simplifies f[x]*DeltaFunction[1-x] toLimit[f[x],x->1] DeltaFunction[1-x] and applies a list of transformation rules for DeltaFunctionPrime[1-x]*x^(OPEm-1)*f[x] where x^(OPEm-1) is suppressed in exp.

See also:  DeltaFunction, DeltaFunctionPrime.

Examples

g[x] DeltaFunction[1 - x]

SimplifyDeltaFunction[ %, x]

g[x] DeltaFunctionPrime[1 - x]

SimplifyDeltaFunction[ %, x]

x Log[x] DeltaFunctionPrime[1 - x]

SimplifyDeltaFunction[ %, x]

PolyLog[2, 1 - x] DeltaFunctionPrime[1 - x]

SimplifyDeltaFunction[ %, x]

Log[x] PolyLog[2, 1 - x] DeltaFunctionPrime[1 - x]

SimplifyDeltaFunction[ %, x]

PolyLog[3, 1 - x] DeltaFunctionPrime[1 - x]

SimplifyDeltaFunction[ %, x]