how can i resolve this equation

Hello, i have a 2 equations, and i need to solve it using the runge kutta methode, i need a code Matlab.

this is my equation :

f'''' - f*f''' - 4*g*g' = 0  this is my first equation
f*g' - f'*g - g'' = 0 this is my second question.

please help me.

best regards

[Walter Roberson]

http://www.mathworks.co.uk/matlabcentral/answers/43073-a-guide-to-tags

Answer 1

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/8026-best-way-s-to-master-matlab

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer