get_znk_cos_coef - get the cosine coefficient of a zernike polynomial.

Calling Sequence

[coeff]=get_znk_cos_coef(znk_in, order, level )

Parameters

• znk_in : the input Zernike polynomial.
• order : the order to be set.
• level : the level to be set.
• coeff : the output coefficient.

Description

get the cosine coefficient of a zernike polynomial.

Examples

	znk=znk_mod(1);
	coef=get_znk_cos_coef(znk,1,1);
	znk_fits(znk,"znk");
 

Author

Chen jingyuan, Gan guangyong (IAPCM, Beijing,China.)

See Also

znk_mod ,   get_znk_sin_coef ,   set_znk_sin_coef ,   set_znk_cos_coef ,   znk_fits ,