Monte Carlo Codes

Demo codes - integral of

$$I = \int ( x - \frac{1}{4} )^2 \exp( - \frac{1}{2} x^2 )$$

1. by Trapezoidal Rule int_trap.c

2. Monte Carlo Method int_mc.c

3. and Guided Monte Carlo Method int_guided_mc.c

Ising Model solution: ising.c