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