Matrix4x3d.set3x3

Set the left 3x3 submatrix of this {@link Matrix4x3d} to the given {@link Matrix3d} and don't change the other elements.

@param mat the 3x3 matrix @return this

  1. Matrix4x3d set3x3(Matrix4x3d mat)
  2. Matrix4x3d set3x3(Matrix3d mat)
    struct Matrix4x3d
    ref public return
    set3x3

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