Blog
MATLAB FFT in RunMat: Frequency Analysis with GPU-Accelerated Plotting
Learn MATLAB FFT online with RunMat. Compute and plot FFT spectra with MATLAB-compatible syntax, including single-sided spectra, windowing, and 2D FFT in the browser.
Apr 21, 2026
How to Use GPU in MATLAB Without CUDA: Apple Silicon, NVIDIA, AMD & Intel
A practical guide to GPU acceleration in MATLAB on any hardware. How it works on NVIDIA with the Parallel Computing Toolbox, why it doesn't work on Apple Silicon, AMD, or Intel, and how to get GPU acceleration without CUDA.
Apr 14, 2026
MATLAB Plotting in RunMat: Complete Guide to 2D, 3D & GPU-Accelerated Figures
A hands-on guide to plotting in RunMat with 20+ runnable examples covering line plots, scatter, bar charts, 3D surfaces, contour maps, subplots, animations, and GPU-accelerated rendering. All examples run in the browser.
Apr 3, 2026
Durable Project State: Introducing RunMat App
RunMat launched last August as a CLI. In November we added GPU acceleration with Accelerate. Now the sandbox puts the full runtime in your browser, and RunMat App makes it persistent: projects, run history, version snapshots, and collaboration.
Mar 25, 2026
The Worst Debugging Tool in MATLAB Is the One You Use Every Day
fprintf is a formatting function that got conscripted into debugging because MATLAB never shipped anything better. The guide covers what it's actually for, what it costs you as a debugger, and what to use instead.
Mar 20, 2026
MATLAB For Loops Are Slow Because of Interpreter Overhead
MATLAB for loops carry interpreter overhead that makes them 10-60x slower than vectorized builtins. This guide covers the source of that overhead, the cost of forced vectorization, and how a compiled runtime narrows the gap.
Mar 19, 2026
Best Free MATLAB Alternatives in 2026: RunMat, Octave, Julia & Python Compared
Compare the 4 best free MATLAB alternatives in 2026: RunMat, Octave, Julia, and Python. See benchmarks, .m file compatibility, GPU support, and which runs your existing code unchanged.
Mar 13, 2026
MATLAB Alternative for Airgapped & ITAR Environments — No License Server
A single-binary MATLAB alternative built for airgapped, ITAR, and classified environments. GPU-accelerated computation, real-time collaboration, and audit trails — all running fully offline with zero license infrastructure.
Mar 10, 2026
Version Control for Engineers Who Don't Use Git
Most engineers -- from MATLAB scripting to FPGA verification to test automation -- don't use version control because git wasn't built for them. RunMat gives engineers automatic versioning, snapshots, and audit trails without the cognitive overhead of learning a developer tool.
Mar 10, 2026
From Ad-Hoc Checkpoints to Reliable Large Data Persistence
Why ad-hoc checkpoints break down for large numerical workloads, where persistence actually fails, and how chunked, content-addressed storage makes heavy outputs durable and shareable.
Mar 5, 2026
Restoring Historical Run State for Scientific and Numerical Calculations
A practical guide to restoring historical run state for scientific and numerical workflows, so teams can investigate issues without expensive re-execution.
Mar 5, 2026
Why We Built RunMat
We started with Dystr, an AI-powered engineering workbook. Here's why we pivoted to RunMat, a fast, open-source MATLAB runtime that meets engineers where they are.
Feb 2, 2026
In Defense of MATLAB: Why Engineers Still Need Whiteboard-Style Code
MATLAB still shines for math-heavy work. Its whiteboard-style syntax makes code easy to read, review, and run on modern tools like RunMat and fast GPUs.
Dec 11, 2025
Introducing RunMat Accelerate: The Fastest Runtime for Your Math
RunMat Accelerate is an open-source MATLAB-style runtime that fuses your array math into fast CPU and GPU kernels, often beating MATLAB gpuArray, PyTorch, and Julia for dense numerical workloads.
Nov 18, 2025
Choosing Rust for LLM-Generated Code
Why the training distribution of programming languages matters for LLMs, and how Rust improves reliability in model-written code.
Sep 12, 2025
Introducing RunMat: A Fast, Free, Modern MATLAB Code Runtime
A fast, open-source runtime for MATLAB code. Slim core written in Rust, V8-inspired execution, generational GC, and a package-first standard library.
Aug 7, 2025