optimset — Create or update an optimization options structure for fzero and fsolve.
opts = optimset(name, value, ...) creates a struct of optimization options. opts = optimset(old, name, value, ...) copies an existing options struct and applies overrides.
How optimset works
- Option names are case-insensitive for the builtins that consume them.
TolX,TolFun,MaxIter,MaxFunEvals, andDisplayare canonicalized when constructed withoptimset.- Unknown option names are preserved so future solvers can read them.
Example
Create options for fzero
opts = optimset('TolX', 1e-10, 'Display', 'off');
x = fzero(@sin, [3 4], opts)Expected output:
x =
3.1416Related Math functions
Elementwise
abs · angle · conj · double · exp · expm1 · factorial · gamma · hypot · imag · ldivide · log · log10 · log1p · log2 · minus · nextpow2 · plus · pow2 · power · rdivide · real · sign · single · sqrt · times
Trigonometry
acos · acosh · asin · asinh · atan · atan2 · atanh · cos · cosh · sin · sinh · tan · tanh
Reduction
all · any · cummax · cummin · cumprod · cumsum · cumtrapz · diff · gradient · max · mean · median · min · nnz · prod · std · sum · trapz · var
Structure
Open-source implementation
Unlike proprietary runtimes, every RunMat function is open-source. Read exactly how optimset works, line by line, in Rust.
- View optimset.rs on GitHub
- Learn how the runtime works
- Found a bug? Open an issue with a minimal reproduction.
About RunMat
RunMat is an open-source runtime that executes MATLAB-syntax code — faster, on any GPU, with no license required.
- Simulations that took hours now take minutes. RunMat automatically optimizes your math for GPU execution on Apple, Nvidia, and AMD hardware. No code changes needed.
- Start running code in seconds. Open the browser sandbox or download a single binary. No license server, no IT ticket, no setup.
- A full development environment. GPU-accelerated 2D and 3D plotting, automatic versioning on every save, and a browser IDE you can share with a link.