Mathematical expressions with LaTeX in Matplotlib - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is LaTeX in the context of matplotlib?

LaTeX is a way to write mathematical expressions as text that matplotlib can render nicely in plots, like formulas and symbols.

beginner

How do you add a simple LaTeX expression to a matplotlib plot title?

Use dollar signs $...$ around the LaTeX code inside the title string, for example: plt.title('$x^2 + y^2 = z^2$').

beginner

What does the LaTeX code $\alpha + \beta = \gamma$ represent?

It shows the Greek letters alpha, beta, and gamma added together in a math expression.

intermediate

How can you include a fraction in a matplotlib label using LaTeX?

Use the \frac{numerator}{denominator} command inside dollar signs, for example: '$\frac{1}{2}$' to show one-half.

beginner

Why is it helpful to use LaTeX in matplotlib plots?

It makes math expressions clear and professional-looking, which helps explain data better and looks good in presentations.

How do you write a square root symbol in matplotlib using LaTeX?

A $\frac{x}{2}$

B $\sqrt{x}$

C $x^2$

D $\sum x$

The command $\sqrt{x}$ shows the square root of x.

Which of these is the correct way to write the integral symbol in matplotlib LaTeX?

A $\int f(x) \, dx$

B $\sum f(x)$

C $\frac{f(x)}{dx}$

D $\sqrt{f(x)}$

The integral symbol is written as $\int$ followed by the function and dx.

What do the dollar signs $...$ do in matplotlib text?

A They add color to the text.

B They make the text bold.

C They create a new line.

D They tell matplotlib to render the text as LaTeX math.

Dollar signs mark the start and end of LaTeX math expressions.

How would you write the expression for x squared plus y squared equals z squared in matplotlib LaTeX?

A $x^2 + y^2 = z^2$

B $x_2 + y_2 = z_2$

C $x + y = z$

D $\frac{x}{2} + \frac{y}{2} = \frac{z}{2}$

Superscript is written with ^, so x squared is $x^2$.

Which LaTeX command shows a summation symbol in matplotlib?

A $\frac{}{}$

B $\int$

C $\sum$

D $\sqrt{}$

The summation symbol is $\sum$ in LaTeX.

Explain how to add a LaTeX mathematical expression to a matplotlib plot label.

Think about how to mark math text in matplotlib.

Describe three common LaTeX commands useful for math expressions in matplotlib.

Focus on fraction, root, and sum symbols.