"El presente libro tiene un objetivo claro: crear aplicaciones gráficas complejas con Python 3 mediante tres librerías de su ecosistema:• PyQt: enlaza con la biblioteca gráfica Qt, permitiendo usarla desde Python.• matplotlib: empleada para generar gráficos en dos y tres dimensiones.• NumPy: especializada en cálculo numérico."Description in English: This book has a clear objective: to help you create complex graphic applications with Python 3.We will achieve this through three different libraries for its ecosystem:• PyQt: links to the graphic library Qt, allowing us to use it from Python.• matplotlib: used to generate graphics in two and three dimensions.• NumPy: specialized in numerical calculation.After mastering these tools and relying on more than 100 practical examples and 17 applications, you will become a graphic applications expert.