# Kindly help for simple math equation

• May 5th 2010, 02:35 AM
moonnightingale
Kindly help for simple math equation
Kindly help me to solve this simple equation which is attached
• May 5th 2010, 02:53 AM
CaptainBlack
Quote:

Originally Posted by moonnightingale
Kindly help me to solve this simple equation which is attached

This is not a simple equation, you need to solve this numerically (It can also be solved using the Lambert_W function but that is multi-valued for this problem).

You can see that there are two solutions by drawing a graph of the function $f(L)=0.098-L e^{-2L}$

CB
• May 5th 2010, 09:05 AM
moonnightingale
Can anybody else help me
Plz help me out
I saw Lambert W function but it is also not helping
is there any way to solve this equation in Matlab
• May 5th 2010, 09:26 AM
CaptainBlack
Quote:

Originally Posted by moonnightingale
Plz help me out
I saw Lambert W function but it is also not helping
is there any way to solve this equation in Matlab

>>help fsolve

CB