Finite difference problem showing NaN value

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Kevin Isakayoga
Kevin Isakayoga 2020-9-25
编辑： Kevin Isakayoga 2020-10-19
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Dana
Dana 2020-9-25
编辑：Dana 2020-9-25
When M>=2, in the last line of your code,
Rt_inc(M+1)=(v-1)*(rt_inc(M)^2)*((rt_inc(M+1)-rt_inc(M))/dt)/Sr(M);
because rt_inc(M+1)-rt_inc(M)=0 and Sr(M)=0, this becomes 0/0, which is not defined and produces a NaN in Matlab.

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