Zain A.

I help clients solve complex engineering, scientific, and mathematical problems using MATLAB and Python — from numerical modeling and simulation to scientific computing, data analysis, optimization, curve fitting, and engineering automation. I’m a Top Rated freelancer with 100% Job Success and hands-on experience delivering MATLAB/Python solutions for numerical, scientific, and engineering problems. ⭐ MATLAB PROGRAMMING & SIMULATION • Numerical modeling • Numerical analysis • Differential equations • Iterative methods • Engineering simulations • Control-system modeling • Optimization and parameter estimation • Signal processing • Scientific visualization • MATLAB scripts and computational workflows ⭐ PYTHON SCIENTIFIC COMPUTING • Python • NumPy • SciPy • Pandas • Matplotlib • Scientific computing • Data processing • Numerical analysis • Statistical analysis • Curve fitting • Optimization • Scientific visualization • Python automation • Reproducible analysis workflows ⭐ NUMERICAL MODELING & APPLIED MATHEMATICS • Mathematical and computational modeling • Equation solving • Numerical integration • Interpolation • Nonlinear curve fitting • Parameter estimation • Optimization • Convergence analysis • Sensitivity analysis • Model validation • Differential equations • Iterative algorithms ⭐ BAYESIAN INFERENCE & MCMC • MCMC with emcee • Bayesian parameter estimation • Likelihood and prior formulation • Posterior analysis • Uncertainty quantification • Convergence diagnostics • Corner plots • Chi-squared analysis • Goodness-of-fit analysis • Scientific model fitting ⭐ ENGINEERING MODELING & ANALYSIS • Heat transfer • Thermodynamics • Process engineering • Mass and energy balances • Thermal-system modeling • Process-system modeling • Brine and water-process calculations • Chemical engineering calculations • Engineering data analysis • Simulation-based engineering studies ⭐ ENGINEERING AUTOMATION • Python automation • Engineering calculation tools • Batch-processing workflows • Automated technical reporting • Data-processing pipelines • Reusable engineering scripts • Custom scientific software ⭐ RECENT TECHNICAL WORK • Bayesian MCMC fitting of real SPARC galactic rotation-curve data using Python • MATLAB numerical modeling of MEDAD thermal systems • Automated multi-subject EMG analysis and visualization • Feedback-control system simulation • Python-based engineering calculation and reporting automation • Brine and process-system calculations for EU-funded engineering projects My Chemical Engineering background gives me a strong foundation in thermodynamics, heat transfer, transport phenomena, process engineering, mathematics, physics, and numerical methods. This means I can do more than just write code. I can understand the underlying engineering or mathematical problem, formulate the model, select an appropriate numerical method, implement it in MATLAB or Python, validate the results, and present the findings clearly. ⭐ MY TYPICAL WORKFLOW Problem → Mathematical Model → Numerical Method → MATLAB/Python Implementation → Validation → Results → Visualization → Documentation ⭐ WHAT YOU CAN EXPECT • Accurate calculations • Clean and readable code • Reproducible results • Proper numerical validation • Clear scientific plots • Professional technical documentation • Reliable communication If your project involves MATLAB, Python, numerical modeling, scientific computing, numerical analysis, simulation, differential equations, MCMC, Bayesian inference, curve fitting, optimization, data analysis, heat transfer, process engineering, or automation, send me the project details. I can help turn your technical problem into a reliable, well-validated computational solution.