Exemplo n.º 1
0
 /**
  * Construct a vector from another vector.
  *
  * @param v Vector to copy.
  * @param deep If {@code true} perform a deep copy, otherwise perform a shallow copy
  * @throws NullArgumentException if {@code v} is {@code null}.
  */
 public ArrayFieldVector(ArrayFieldVector<T> v, boolean deep) {
   if (v == null) {
     throw new NullArgumentException();
   }
   field = v.getField();
   data = deep ? v.data.clone() : v.data;
 }
Exemplo n.º 2
0
 /**
  * Construct a vector from another vector, using a deep copy.
  *
  * @param v Vector to copy.
  * @throws NullArgumentException if {@code v} is {@code null}.
  */
 public ArrayFieldVector(ArrayFieldVector<T> v) {
   if (v == null) {
     throw new NullArgumentException();
   }
   field = v.getField();
   data = v.data.clone();
 }
Exemplo n.º 3
0
 /**
  * Construct a vector by appending one vector to another vector.
  *
  * @param v1 First vector (will be put in front of the new vector).
  * @param v2 Second vector (will be put at back of the new vector).
  * @throws NullArgumentException if {@code v1} or {@code v2} is {@code null}.
  */
 public ArrayFieldVector(T[] v1, ArrayFieldVector<T> v2) {
   if (v1 == null || v2 == null) {
     throw new NullArgumentException();
   }
   field = v2.getField();
   data = buildArray(v1.length + v2.data.length);
   System.arraycopy(v1, 0, data, 0, v1.length);
   System.arraycopy(v2.data, 0, data, v1.length, v2.data.length);
 }
Exemplo n.º 4
0
 /**
  * Find the orthogonal projection of this vector onto another vector.
  *
  * @param v vector onto which instance must be projected
  * @return projection of the instance onto v
  * @throws IllegalArgumentException if v is not the same size as this
  */
 public ArrayFieldVector<T> projection(ArrayFieldVector<T> v) {
   return (ArrayFieldVector<T>) v.mapMultiply(dotProduct(v).divide(v.dotProduct(v)));
 }