cos

Computes the cosine in radians for each element of x.

📝Syntax

res = cos(x)

📥Input Arguments

Parameter	Description
x	a numeric value

📤Output Arguments

Parameter	Description
res	a numeric value

📄Description

cos computes the cosine in radians for each element of x.

The cosine function is defined as:

$$\cos(x) = \frac{e^{ix} + e^{-ix}}{2}$$

For real arguments, it represents the x-coordinate on the unit circle.

💡Examples

A = eye(3, 3);
res = cos(A)

🔗See Also

🕔Version History

Version	Description
1.0.0	initial version