MATLAB & Simulink for Signal Processing
MATLAB and its companion tool Simulink are workhorses for designing and testing the signal-processing and control math behind electronics.
MATLAB is built around matrices and numerical computation, which makes it a natural fit for the math-heavy side of electronics: filter design, Fourier analysis of signals, control-loop tuning, and simulating how a circuit or system will respond before it's ever built.
Simulink extends this into a block-diagram environment, where you connect boxes representing filters, sensors, and controllers instead of writing lines of code, then simulate the whole system's behavior over time. Many of these designs can be automatically converted into C code that runs on real embedded hardware.
MATLAB and Simulink are commercial tools, common in automotive, aerospace, and industrial-controls work, where teams value being able to model, simulate, and generate embedded code from a single, well-tested environment.
Modeling control systems (motor speed, temperature loops).
Auto-generating C code from a validated Simulink model.