A Numerical Solution Using an Adaptively Preconditioned Lanczos Method for a Class of Linear Systems Related with the Fractional Poisson Equation

Table 2

Physical parameters for test problem 2.

Parameter	Description	Value
𝑘	Thermal conductivity	5Wm^−1K^−1
𝑔0	Source	−10Wm^−3
ℎ1,ℎ3	Heat transfer coefficient	0Wm^−2K^−1
ℎ2,ℎ4	Heat transfer coefficient	2Wm^−2K^−1
𝜑∞	External temperature	20K
𝛼	Fractional index	0.5,1,1.5