API Reference > geometry-core > Numerics > Matrix4d > addMomentsInPlace addMomentsInPlace Method Add the product terms [xx,xy,xz,xw, yx, yy, yz, yw, zx, zy, zz, zs, wx, wy, wz, ww] to respective entries in the matrix addMomentsInPlace(x: number, y: number, z: number, w: number): void Parameter Type Description x number x component for products y number y component for products z number z component for products w number w component for products Returns - void Defined in geometry4d/Matrix4d.ts Line 516 Last Updated: 11 June, 2024