error: [inputValues, targetValues] = input_preprocess();

[inputValues, targetValues] = input_preprocess(); % Transform the labels to correct target values.

    % Choose form of MLP:
    numberOfHiddenUnits = 1250;

    % Choose appropriate parameters.
    learningRate = 0.1;

    % Choose activation function.
    activationFunction = @logisticSigmoid;
    dActivationFunction = @dLogisticSigmoid;

    % Choose batch size and epochs. Remember there are 60k input values.
    batchSize = 20;
    epochs = 10000;

    fprintf('Train twolayer perceptron with %d hidden units.\n', numberOfHiddenUnits);
    fprintf('Learning rate: %d.\n', learningRate);

    [hiddenWeights, outputWeights, error] = train(activationFunction, dActivationFunction, numberOfHiddenUnits, inputValues, targetValues, epochs, batchSize, learningRate);
    save Train.mat hiddenWeights outputWeights

[faaruuq jamaludin]

[inputValues, targetValues] = input_preprocess(); % Transform the labels to correct target values.

i dont understand the above