toRadians

Convert angles to radians

Syntax

[R1,...,Rn] = toRadians(fromUnits,A1,...,An)

Description

[R1,...,Rn] = toRadians(fromUnits,A1,...,An) converts the angles specified by A1,...,An from the units specified by fromUnits to radians. This function is useful for getting angles in radians when you do not know the input units until run-time.

Examples

Convert to Radians from Degrees

Convert several values to radians from degrees.

[R1,R2,R3,R4] = toRadians("degrees",45,90,135,180)

R1 = 
0.7854

R2 = 
1.5708

R3 = 
2.3562

R4 = 
3.1416

Convert the same values to radians by specifying an array.

A = [45 90 135 180];
R = toRadians("degrees",A)

R = 1×4

    0.7854    1.5708    2.3562    3.1416

Input Arguments

fromUnits — Input unit

"degrees" | "radians"

Input unit, specified as "degrees" or "radians". You can also specify abbreviations such as "deg" and "rad".

Data Types: char | string

A1,...,An — Angles in degrees or radians

numeric array

Angles in degrees or radians, specified as one or more numeric arrays.

Output Arguments

R1,...,Rn — Angles in radians

numeric array

Angles in radians, returned as the same number of numeric arrays as in A1,...,An. The size of each output array matches the size of the corresponding input array.

Version History

Introduced in R2007b