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The aim of this article is to discuss the estimation of the diffusivitycoefficient of a homogeneous metal rod from temperature values at a fixed pointin the bar for different time instants. The time-dependent problem of heatconduction is analyzed in an insulated conductor wire of length l consideringconstant boundary conditions. The problem is modeled by a parabolic partialdifferential equation, imposing Dirichlet boundary conditions. We considersimulated temperature values at a point of the bar for different time instantsand estimate the coefficient of diffusivity using usual techniques for solvinginverse problems. For the discretization of the equation we consider a finitedifference centered scheme. We include an analytical and numerical study of thesensitivity of the temperature function with respect to the coefficient ofdiffusivity. Numerical experiments show very good accuracy in the estimates.

Estimaci\'on y An\'alisis de Sensibilidad para el Coeficiente de Difusividad en un Problema de Conducci\'on de Calor