Figure 4From: Analytical study for time and time-space fractional Burgers’ equation Combining the surface exact solution ( 43 ) and the surface approximation ( 34 ) for \(\pmb{\alpha = 0.7}\) , \(\pmb{\beta=0.5}\) , \(\pmb{a=1 }\) , \(\pmb{b=1}\) , and \(\pmb{c=1}\) . (a) The surface of the exact solution. (b) The surface of the second approximation. (c) Combining (a)-(b).Back to article page