(I Gr0 theta Sqrt[1 - theta^2]) /
(2 Gr0Mz (-1 + theta^2) (1 - 2 coff1 theta trMz wn + coff1^2 trMz^2 wn^2))
Replace the denominator of the expression with T1，How can I achieve？I tried：
but failed.
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1 Answer
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expr = (I Gr0 theta Sqrt[1 - theta^2]) /
(2 Gr0Mz (-1 + theta^2) (1 - 2 coff1 theta trMz wn + coff1^2 trMz^2 wn^2));
Numerator[expr] / T1 (* or *)
Simplify[expr, {Denominator[expr] == T1}]
(I Gr0 theta Sqrt[1 - theta^2]) / T1
Numerator[expr]/ T1orSimplify[expr, {Denominator[expr] == T1}]? $\endgroup$FullFormof the expression. That's what you have to match. $\endgroup$