alternativeClasses2.php

<?php

class ConjugatedGradient {
    private readonly float $tolerance;
    private readonly int $maxIterations;

    public function __construct(float $tolerance = 1e-6, int $maxIterations = 1000) {
        $this->tolerance = $tolerance;
        $this->maxIterations = $maxIterations;
    }
    
    public function minimize(callable $gradFn, array $init): array {
        // minimization code...
    }

    // more code...
}

<?php

class LinearDescent {
    public function min(
        callable $gradFn,
        array $init,
        array $config
    ): array {
        // minimization code...
    }

    // more code...
}

///////////////////////////////////

<?php

class ConjugatedGradient {
    private readonly float $tolerance;
    private readonly int $maxIterations;

    public function __construct(float $tolerance = 1e-6, int $maxIterations = 1000) {
        $this->tolerance = $tolerance;
        $this->maxIterations = $maxIterations;
    }
    
    public function minimize(callable $gradFn, array $init): array {
        // minimization code...
    }

    // more code...
}

<?php

class LinearDescent {
    private readonly float $tolerance;
    private readonly int $maxIterations;
    private readonly float $learningRate;

    public function __construct(float $tolerance = 1e-6, int $maxIterations = 1000, float $learningRate = 0.01) {
        $this->tolerance = $tolerance;
        $this->maxIterations = $maxIterations;
        $this->learningRate = $learningRate;
    }

    public function minimize(callable $gradFn, array $init): array {
        // minimization code...
    }

///////////////////////////////////

<?php

interface Minimization {
    public function minimize(callable $gradFn, array $init): array;
}

<?php

class ConjugatedGradientMinimization implements Minimization {
    private readonly float $tolerance;
    private readonly int $maxIterations;

    public function __construct(float $tolerance = 1e-6, int $maxIterations = 1000) {
        $this->tolerance = $tolerance;
        $this->maxIterations = $maxIterations;
    }
    
    public function minimize(callable $gradFn, array $init): array {
        // minimization code...
    }

    // more code...
}

<?php

class LinearDescentMinimization implements Minimization {
    private readonly float $tolerance;
    private readonly int $maxIterations;
    private readonly float $learningRate;

    public function __construct(float $tolerance = 1e-6, int $maxIterations = 1000, float $learningRate = 0.01) {
        $this->tolerance = $tolerance;
        $this->maxIterations = $maxIterations;
        $this->learningRate = $learningRate;
    }

    public function minimize(callable $gradFn, array $init): array {
        // minimization code...
    }

    // more code...
}