com.acmerobotics.roadrunner.util

Class MathUtil

com.acmerobotics.roadrunner.util.MathUtil

public class MathUtil

Various math utilities.

Field Summary

Fields

Modifier and Type	Field and Description
static MathUtil	INSTANCE Various math utilities.

Method Summary

Modifier and Type	Method and Description
java.util.List<java.lang.Double>	numericalDerivative(java.util.List<java.lang.Double> x, java.util.List<java.lang.Double> y) Numerically compute dy/dx from the given x and y values. The returned list is padded to match the length of the original sequences.
static java.util.List<java.lang.Double>	solveQuadratic(double a, double b, double c) Returns the real solutions to the quadratic ax^2 + bx + c.

Field Detail

INSTANCE

public static MathUtil INSTANCE

Various math utilities.

Method Detail

solveQuadratic

@JvmStatic
 @NotNull
public static java.util.List<java.lang.Double> solveQuadratic(double a,
                                                                                   double b,
                                                                                   double c)

Returns the real solutions to the quadratic ax^2 + bx + c.

numericalDerivative

@NotNull
public java.util.List<java.lang.Double> numericalDerivative(@NotNull
                                                                     java.util.List<java.lang.Double> x,
                                                                     @NotNull
                                                                     java.util.List<java.lang.Double> y)

Numerically compute dy/dx from the given x and y values. The returned list is padded to match the length of the original sequences.

Parameters:

x - x-values

y - y-values

Returns:

derivative values