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The Euler Formula for Solving the System yt=u,ut=f(x,y,u),y(x0)=y0,u(x0)=u0y ^ { t } = u , u ^ { t } = f ( x , y , u ) , y \left( x _ { 0 } \right) = y _ { 0 } , u \left( x _ { 0 } \right) = u _ { 0 }

Question 2

Multiple Choice

The Euler formula for solving the system yt=u,ut=f(x,y,u) ,y(x0) =y0,u(x0) =u0y ^ { t } = u , u ^ { t } = f ( x , y , u ) , y \left( x _ { 0 } \right) = y _ { 0 } , u \left( x _ { 0 } \right) = u _ { 0 } is


A) yn+1=yn+hun,un+1=un+hf(xn,yn,un) y _ { n + 1 } = y _ { n } + h u _ { n } , u _ { n + 1 } = u _ { n } + h f \left( x _ { n } , y _ { n } , u _ { n } \right)
B) yn+1=ynhun,un+1=un+hf(xn,yn,un) y _ { n + 1 } = y _ { n } - h u _ { n } , u _ { n + 1 } = u _ { n } + h f \left( x _ { n } , y _ { n } , u _ { n } \right)
C) yn+1=yn+hun,un+1=unhf(xn,yn,un) y _ { n + 1 } = y _ { n } + h u _ { n } , u _ { n + 1 } = u _ { n } - h f \left( x _ { n } , y _ { n } , u _ { n } \right)
D) yn+1=yn+hf(xn,yn,un) ,un+1=un+huny _ { n + 1 } = y _ { n } + h f \left( x _ { n } , y _ { n } , u _ { n } \right) , u _ { n + 1 } = u _ { n } + h u _ { n }
E) none of the above

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