Apps. and Interpretation for IBDP Maths Ebook 2 | Page 204

Your Practice Set – Applications and Interpretation for IBDP Mathematics

Chapter

12

Differential Equations

SUMMARY POINTs
� dy dx f ( x, y) : First order differential equation
� Solving d y
� f ( x) g( y) by separating variables : dx dy
1 � f ( x) g( y) � d y f ( x) dx d x

� � g( y)

� Solving d y f ( x, y) dx by Euler s method , with ( x0, y
0) and step length h :
�xn�1
� xn
�h ��
dy yn� 1
� yn
�h d x
( xn, yn)
194
SE Production Limited