maths

Simple vector and matrix maths.

skysegmentor.vector_norm(a)

Returns the magnitude a vector.

Parameters:

a (array) – Vector a.

skysegmentor.vector_dot(a, b)

Returns the vector dot product.

Parameters:

• a (array) – Vector a.

• b (array) – Vector b.

skysegmentor.vector_cross(a, b)

Returns the vector cross product.

Parameters:

• a (array) – Vector a.

• b (array) – Vector b.

Returns:

s – Cross product vector.

Return type:

array

skysegmentor.matrix_dot_3by3(mat1, mat2)

Dot product of 2 3x3 matrices.

Parameters:

• mat1 (array) – Flattened 3by3 matrices.

• mat2 (array) – Flattened 3by3 matrices.

Returns:

mat3 – Matrix dot product output.

Return type:

array