On a robust stability criterion in the Cattaneo–Hristov diffusion equation
Figure 2. Solutions y 1 (x, t) and y 2 (x, t) and their derivatives with α = 0.5
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Figure 3. Solutions y 1 (x 0 , t) and y 2 (x 0 , t) and their derivatives with α = 0.5 and x 0 = R
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