30.3.2 Cosine

1 Function
2 Brief Description
3 Sample Curve
4 Parameters
5 Script Access
6 Function File

Function

$z=z_0+A_1\cos \left( x\right) +B_1\cos \left( y\right) +A_2\cos \left( 2x\right) +C_1\cos \left( x\right) \cos \left( y\right) +B_2\cos \left( 2y\right)$

$0\leq x\leq \pi$

$0\leq y\leq \pi$

Brief Description

Cosine Series Polynomials

Sample Curve

Parameters

Number:6

Name:	Meanings:	Lower Bounds:	Upper Bounds:
$z_0$	z offset
$A_1$	corner height
$A_2$	corner height
$B_1$	corner height
$B_2$	corner height
$C_1$	height

Script Access

Function File

fitfunc\Cosine.fdf