export declare function dot(a: number[], b: number[]): number;
export declare function transpose(A: number[][]): number[][];
export declare function matMul(A: number[][], B: number[][]): number[][];
export declare function identity(n: number): number[][];
export declare function solveLinear(A: number[][], b: number[], tolerance?: number): number[];
export declare function inverseMatrix(A: number[][]): number[][];
export declare function pseudoInverseSymmetric(A: number[][], rcond?: number): number[][];
export declare function logDetSymmetricPositive(A: number[][]): number;
export declare function validateMatrix(X: number[][], minimumRows?: number): number;
export declare function validateRegressionData(X: number[][], y: number[]): number;
export declare function normalRandom(random: () => number): number;
export declare function logGamma(z: number): number;
export declare function unitBallVolume(dimension: number): number;