Manim Matrix

The matrix form VMobject object in Manim is defined in matrix.py.

Codes in Matrix.py

Available codes defined in manimlib.mobject.matrix.py

Four classes, Matrix(VMobject), DecimalMatrix(Matrix), IntegerMatrix(Matrix), and MobjectMatrix(Matrix) are defined.

Import

The import defined in manimlib.mobject.matrix.py:

import numpy as np

from manimlib.constants import *
from manimlib.mobject.numbers import DecimalNumber
from manimlib.mobject.numbers import Integer
from manimlib.mobject.shape_matchers import BackgroundRectangle
from manimlib.mobject.svg.tex_mobject import TexMobject
from manimlib.mobject.svg.tex_mobject import TextMobject
from manimlib.mobject.types.vectorized_mobject import VGroup
from manimlib.mobject.types.vectorized_mobject import VMobject

Constant

VECTOR_LABEL_SCALE_FACTOR = 0.8

Global Front Function

• def matrix_to_tex_string(matrix)
• def matrix_to_mobject(matrix)
• def vector_coordinate_label

Class Matrix(VMobject)

class manimlib.mobject.matrix.Matrix(VMobject)version 19Dec2019

Configuration

    CONFIG = {
        "v_buff": 0.8,
        "h_buff": 1.3,
        "bracket_h_buff": MED_SMALL_BUFF,
        "bracket_v_buff": MED_SMALL_BUFF,
        "add_background_rectangles_to_entries": False,
        "include_background_rectangle": False,
        "element_to_mobject": TexMobject,
        "element_to_mobject_config": {},
        "element_alignment_corner": DR,
    }

Functions

• def __init__(self, matrix, **kwargs)
• def matrix_to_mob_matrix(self, matrix)
• def organize_mob_matrix(self, matrix)
• def add_brackets(self)
• def get_columns(self)
• def set_column_colors(self, *colors)
• def add_background_to_entries(self)
• def get_mob_matrix(self)
• def get_entries(self)
• def get_brackets(self)

Class DecimalMatrix(Matrix)

class manimlib.mobject.matrix.DecimalMatrix(Matrix)version 19Dec2019

Configuration

    CONFIG = {
        "element_to_mobject": DecimalNumber,
        "element_to_mobject_config": {"num_decimal_places": 1}
    }

Class IntegerMatrix(Matrix)

class manimlib.mobject.matrix.IntegerMatrix(Matrix)version 19Dec2019

Configuration

    CONFIG = {
        "element_to_mobject": Integer,
    }

Class MobjectMatrix(Matrix)

class manimlib.mobject.matrix.MobjectMatrix(Matrix)version 19Dec2019

Configuration

    CONFIG = {
        "element_to_mobject": lambda m: m,
    }

Global End Function

• def get_det_text(matrix, determinant=None, background_rect=False, initial_scale_factor=2)

Source and Reference

https://github.com/3b1b/manim19Dec2019