In this article, we compare two procedures for solving a parabolic inverse heat problem subject to the over specified boundary condition .The first procedure is obtained by introducing transformation of unknown function and solving transformed problem by finite difference method. And the second method based on trace-type functional (TTF) formulation is examined on the solving of considered problem. Some numerical examples are presented

Keywords: مسئلۀ معکوس سهموی, پارامتر کنترلی, شرط فوق اضافی انتگرالی, روش تفاضلات متناهی ضمنی, مسئلۀ تبدیل یافته, روش مستقیم

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