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Use Euler's Method with N = 5 on the Interval 12\frac { 1 } { 2 }

Question 121

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Use Euler's method with n = 5 on the interval 0 ≤ t ≤ 12\frac { 1 } { 2 } to approximate the solution f(t) to y′=−(y+t),y(0)=−1. f ( t ) \text { to } y ^ { \prime } = - ( y + t ) , y ( 0 ) = - 1 \text {. } Is the following the correct answer? t0=0;y0=−1t1=0.1;y1=−0.9t2=0.2;y2=−0.82t3=0.3;y3=−0.758t4=0.4;y4=−0.7122t5=0.5;y5=−0.68098\begin{array} { r l r l } &\mathrm { t } _ { 0 } = 0 ; & & y _ { 0 } = - 1 \\\mathrm { t } _ { 1 } & = 0.1 ; & & y _ { 1 } = - 0.9 \\\mathrm { t } _ { 2 } & = 0.2 ; & & y _ { 2 } = - 0.82 \\\mathrm { t } _ { 3 } & = 0.3 ; & & y _ { 3 } = - 0.758 \\\mathrm { t } _ { 4 } & = 0.4 ; & & y _ { 4 } = - 0.7122 \\\mathrm { t } _ { 5 } & = 0.5 ; & & y _ { 5 } = - 0.68098\end{array}

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