Real and imaginary parts of the Jeff function | Desmos

Expression 17: "g" Subscript, "i" , Baseline left parenthesis, "x" , "b" , right parenthesis equals StartFraction, left parenthesis, negative sgn left parenthesis, sgn left parenthesis, "x" , right parenthesis plus 0.5 , right parenthesis plus 1 , right parenthesis pi Over 2ln left parenthesis, StartAbsoluteValue, "b" , EndAbsoluteValue , right parenthesis , EndFraction

17

Expression 18: Start integral from 0 to "x" , end integral, StartFraction, sin left parenthesis, "k" , right parenthesis Over "x" Subscript, "p" , Baseline left parenthesis, "k" , "k" , right parenthesis , EndFraction "d" "k"

18

Expression 19: Start integral from 0 to "x" , end integral, StartFraction, sin left parenthesis, "k" , right parenthesis Over "i" left parenthesis, "k" , "k" , right parenthesis , EndFraction "d" "k"

19

Expression 20: StartFraction, sin left parenthesis, "x" , right parenthesis Over "x" Subscript, "p" , Baseline left parenthesis, "x" , "x" , right parenthesis , EndFraction

20

Expression 21: StartFraction, sin left parenthesis, "x" , right parenthesis Over "i" left parenthesis, "x" , "x" , right parenthesis , EndFraction

21

22

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