public fillMatrixForm(): void {
    for (let i = 0; i <= this.productToMatrix.cechy[1].wartosci.length; i++) {
      const control = (((this.matrixForm.controls['wartosci'] as FormArray).at(i).get('subWartosci') as FormArray));
      for (let c = 0; c <= this.productToMatrix.cechy[0].wartosci.length; c++) {
        control.at(c).get('min').setValue(this.displayedMatrix.wartosci[i].subWartosci[c].min);
        control.at(c).get('max').setValue(this.displayedMatrix.wartosci[i].subWartosci[c].max);
        control.at(c).get('id').setValue(this.displayedMatrix.wartosci[i].subWartosci[c].nazwa);
      }
    }
  }