Euler's method forecast
Use y'=x+y, y(0)=1, step h=0.5. Euler update is y_new=y_old+h f(x_old,y_old). Take two steps to x=1.
- Step 1: y(0.5)=1+0.5(1)=1.5.
- Step 2 uses f(0.5,1.5)=2.
- Approximation depends on step size.
differential equations, slope fields, and growth models
Use y'=x+y, y(0)=1, step h=0.5. Euler update is y_new=y_old+h f(x_old,y_old). Take two steps to x=1.
Pause. Find what matters. Then make your move.