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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def predict(self,param_dict):
 """ predict new waveforms using multivar fit """

        encoder_dict = self._designmatrix_object.encoder
        X, col_names = self._designmatrix_object.run_encoder(param_dict, encoder_dict)
        # compute predictions
        Y_pred = self._compute_prediction(X)
        return Y_pred