@dharr Hello dharr, could you please write it in maple 2017?

@dharr Thank you for your response, I am trying but still I get the error. If  you check the code in the above attachment. I shall be very thankful.

@Mariusz Iwaniuk the alpha value can be found from the boundary condition. we don't know the value of alpha.

@tomleslie Sorry, I forgot the attachment file. Thank you for your response :-).

equations_3.mw