Boundary condition of my problem is   f(0) =1  and  d(f)(1) = -(k[f]/k[nf])*Bi*f(1).

But i am getting error when solve this.How to clear this .

my attached file is,

HNF_1.mw

How to rectify this error.

NF-1.mw

Good evening,could you please help me to find the values of Phi[2],Phi[3],Phi[4],....

The right hand side of the for loop is the equation i need.Is this maple code correct.

rps1.mw

I always trobled in coupled nonlinear equations.Could you please help to plot this.

PGVTN.mw

How to rectify this error.

S-D_effect-RK.mw