Transform methods are mathematical techniques used to convert a function or signal from one domain to another, typically from the time domain to the frequency domain. This transformation helps in analyzing the characteristics of signals, making it easier to understand their behavior and manipulate them for various applications, such as in engineering and physics. Common transform methods include the Fourier Transform, which decomposes a signal into its constituent frequencies, and the Laplace Transform, which is useful for solving differential equations. These methods are essential tools in fields like signal processing, control theory, and communications.