Function vector_sub

src/myFunc.cpp:587–595

This function subtracts the elements of vector b from the elements of vector a, a0i = ai ?�� bi. The two vectors must have the same length.

//This function subtracts the elements of vector b from the elements of vector a, a0i =
//ai ?�� bi. The two vectors must have the same length.
void vector_sub (std::vector<float>& a, const std::vector<float>& b) {
	if (a.size() != b.size()) {
		cout << "Error: The two vectors must have the same length\n";
		return;
	}
	for (int i = 0; i < (int)a.size(); i++) {
		a[i] -= b[i];
	}
}
//This function multiplies the elements of vector a by the constant factor x, a0i = xai.
void vector_scale(std::vector<float>& a, float const b) {
	for (int i = 0; i < (int)a.size(); i++) {