Obliczenie: 5b581S - 1

S_2  = 
 S_1* (1+ 2* α* Δ_t)
S_2 =  S_1* (1+ 2* α* Δ_t)S2S_{2} = S1(1+2αΔt)S_{1}\cdot (1+2\cdot \alpha\cdot \Delta_{t})
S_2 = S_1+ 2* Δ_t* α* S_1S2S_{2} = S1+2ΔtαS1S_{1}+2\cdot \Delta_{t}\cdot \alpha\cdot S_{1}
S_2 = S_1+ 2* S_1* Δ_t* αS2S_{2} = S1+2S1ΔtαS_{1}+2\cdot S_{1}\cdot \Delta_{t}\cdot \alpha