👉 Nonlinear Algebra (ncmath) is a branch of mathematics that extends linear algebra to include nonlinear structures, focusing on vector spaces and linear transformations where the operations are not necessarily linear. It explores concepts like nonlinear mappings, differential equations, and optimization problems, which arise in various fields such as physics, engineering, and economics. Key topics include the study of nonlinear operators, eigenvalue problems for nonlinear operators, and the geometry of nonlinear spaces. Unlike linear algebra, which deals with systems where the output is directly proportional to the input, ncmath examines more complex behaviors, such as bifurcations, chaos, and stability in nonlinear systems, providing tools to analyze and solve problems that cannot be addressed by linear methods.