## Uses of Class
org.apache.commons.math3.complex.Quaternion

- Packages that use Quaternion
  Package | Description
  --- | ---
  org.apache.commons.math3.complex | Complex number type and implementations of complex transcendental functions.

- - ### Uses of Quaternion in org.apache.commons.math3.complex

    Fields in org.apache.commons.math3.complex declared as Quaternion
    Modifier and Type | Field and Description
    --- | ---
    `static Quaternion` | Quaternion.`I` i
    `static Quaternion` | Quaternion.`IDENTITY` Identity quaternion.
    `static Quaternion` | Quaternion.`J` j
    `static Quaternion` | Quaternion.`K` k
    `static Quaternion` | Quaternion.`ZERO` Zero quaternion.

    Methods in org.apache.commons.math3.complex that return Quaternion
    Modifier and Type | Method and Description
    --- | ---
    `Quaternion` | Quaternion.`add(Quaternion q)` Computes the sum of the instance and another quaternion.
    `static Quaternion` | Quaternion.`add(Quaternion q1, Quaternion q2)` Computes the sum of two quaternions.
    `Quaternion` | Quaternion.`getConjugate()` Returns the conjugate quaternion of the instance.
    `Quaternion` | Quaternion.`getInverse()` Returns the inverse of this instance.
    `Quaternion` | Quaternion.`getPositivePolarForm()` Returns the polar form of the quaternion.
    `Quaternion` | Quaternion.`multiply(double alpha)` Multiplies the instance by a scalar.
    `Quaternion` | Quaternion.`multiply(Quaternion q)` Returns the Hamilton product of the instance by a quaternion.
    `static Quaternion` | Quaternion.`multiply(Quaternion q1, Quaternion q2)` Returns the Hamilton product of two quaternions.
    `Quaternion` | Quaternion.`normalize()` Computes the normalized quaternion (the versor of the instance).
    `Quaternion` | Quaternion.`subtract(Quaternion q)` Subtracts a quaternion from the instance.
    `static Quaternion` | Quaternion.`subtract(Quaternion q1, Quaternion q2)` Subtracts two quaternions.

    Methods in org.apache.commons.math3.complex with parameters of type Quaternion
    Modifier and Type | Method and Description
    --- | ---
    `Quaternion` | Quaternion.`add(Quaternion q)` Computes the sum of the instance and another quaternion.
    `static Quaternion` | Quaternion.`add(Quaternion q1, Quaternion q2)` Computes the sum of two quaternions.
    `double` | Quaternion.`dotProduct(Quaternion q)` Computes the dot-product of the instance by a quaternion.
    `static double` | Quaternion.`dotProduct(Quaternion q1, Quaternion q2)` Computes the dot-product of two quaternions.
    `boolean` | Quaternion.`equals(Quaternion q, double eps)` Checks whether this instance is equal to another quaternion within a given tolerance.
    `Quaternion` | Quaternion.`multiply(Quaternion q)` Returns the Hamilton product of the instance by a quaternion.
    `static Quaternion` | Quaternion.`multiply(Quaternion q1, Quaternion q2)` Returns the Hamilton product of two quaternions.
    `Quaternion` | Quaternion.`subtract(Quaternion q)` Subtracts a quaternion from the instance.
    `static Quaternion` | Quaternion.`subtract(Quaternion q1, Quaternion q2)` Subtracts two quaternions.

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