final double[] centers, final double width) {
if (t == RBFEnum.Gaussian) {
this.flat.getRBF()[index] = new GaussianFunction(0.5, centers,
width);
} else if (t == RBFEnum.Multiquadric) {
this.flat.getRBF()[index] = new MultiquadricFunction(0.5, centers,
width);
} else if (t == RBFEnum.InverseMultiquadric) {
this.flat.getRBF()[index] = new InverseMultiquadricFunction(0.5,
centers, width);
}