1 | <?php |
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10 | abstract class Optimizer |
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11 | { |
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12 | /** |
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13 | * Unknown variables to be found |
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14 | * |
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15 | * @var array |
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16 | */ |
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17 | protected $theta = []; |
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18 | |||
19 | /** |
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20 | * Number of dimensions |
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21 | * |
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22 | * @var int |
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23 | */ |
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24 | protected $dimensions; |
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25 | |||
26 | /** |
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27 | * Inits a new instance of Optimizer for the given number of dimensions |
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28 | */ |
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29 | public function __construct(int $dimensions) |
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39 | |||
40 | public function setTheta(array $theta): self |
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50 | |||
51 | public function theta(): array |
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55 | |||
56 | /** |
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57 | * Executes the optimization with the given samples & targets |
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58 | * and returns the weights |
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59 | */ |
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60 | abstract public function runOptimization(array $samples, array $targets, Closure $gradientCb): array; |
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61 | } |
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62 |