h

$\tau$

$l^{\infty }$ -error

$l^2$ -error

$\frac{\pi }{2\cdot 2^4}$

$\frac{1}{2^4}$

0.0256

0.0324

$\frac{\pi }{2\cdot 2^5}$

$\frac{1}{2^5}$

0.0134

0.0170

$\frac{\pi }{2\cdot 2^6}$

$\frac{1}{2^6}$

0.0069

0.0087

$\frac{\pi }{2\cdot 2^7}$

$\frac{1}{2^7}$

3.6428e+03

514.8929

$\frac{\pi }{2\cdot 2^8}$

$\frac{1}{2^8}$

4.0151e+25

4.2726e+24