def get_det_text( matrix: Matrix, determinant: int | str | None = None, background_rect: bool = False, initial_scale_factor: int = 2 ) -> VGroup: parens = Tex("(", ")") parens.scale(initial_scale_factor) parens.stretch_to_fit_height(matrix.get_height()) l_paren, r_paren = parens.split() l_paren.next_to(matrix, LEFT, buff=0.1) r_paren.next_to(matrix, RIGHT, buff=0.1) det = TexText("det") det.scale(initial_scale_factor) det.next_to(l_paren, LEFT, buff=0.1) if background_rect: det.add_background_rectangle() det_text = VGroup(det, l_paren, r_paren) if determinant is not None: eq = Tex("=") eq.next_to(r_paren, RIGHT, buff=0.1) result = Tex(str(determinant)) result.next_to(eq, RIGHT, buff=0.2) det_text.add(eq, result) return det_text
def add_brackets(self): bracket_pair = Tex("\\big[", "\\big]") bracket_pair.scale(2) bracket_pair.stretch_to_fit_height( self.get_height() + 2 * self.bracket_v_buff ) l_bracket, r_bracket = bracket_pair.split() l_bracket.next_to(self, LEFT, self.bracket_h_buff) r_bracket.next_to(self, RIGHT, self.bracket_h_buff) self.add(l_bracket, r_bracket) self.brackets = VGroup(l_bracket, r_bracket) return self