def construct(self):
eq1_text = "4 x + 3 y = 0".split()
eq2_text = "5 x - 2 y = 3".split()
eq1_mob = TexMobject(*eq1_text)
eq2_mob = TexMobject(*eq2_text)
color_map = {"x": RED_B, "y": GREEN_C}
eq1_mob.set_color_by_tex_to_color_map(color_map)
eq2_mob.set_color_by_tex_to_color_map(color_map)
for eq1_item, eq2_item in zip(eq1_mob, eq2_mob):
eq2_item.align_to(eq1_item, LEFT)
eq1 = VGroup(*eq1_mob)
eq2 = VGroup(*eq2_mob)
eq2.shift(DOWN)
eq_group = VGroup(eq1, eq2)
braces = Brace(eq_group, LEFT)
eq_text = braces.get_text("A pair of equations")
self.play(Write(eq_text))
self.play(GrowFromCenter(braces))
self.play(Write(eq1), Write(eq2))
self.wait(2)
def construct(self):
line1 = TexMobject(
r"\text{The vector } \vec{F}_{net} \text{ is the net }",
r"\text{force}", r"\text{ on object of mass }")
line1.set_color_by_tex("force", BLUE)
line2 = TexMobject("m", r"\text{ and acceleration }", r"\vec{a}", ".")
line2.set_color_by_tex_to_color_map({"m": YELLOW, "{a}": RED})
sentence = VGroup(line1, line2)
sentence.arrange_submobjects(DOWN, buff=MED_LARGE_BUFF)
self.play(Write(sentence))
self.wait(3)
