sym_subs()

Symbolic

sym_subs() is a MATLAB®-compatible symbolic function for substitute a value for a variable in a symbolic expression. alias for subs(). Run it online in your browser with SimLab — free, no install, no license required.

Substitute a value for a variable in a symbolic expression. Alias for subs().

Syntax

sym_subs(expr, var, val)

Examples — run sym_subs() in your browser

sym_subs('x^2 + 1', 'x', '3')
▶ Run
sym_subs('a*x + b', 'x', '5')
▶ Run

See Also

Frequently Asked Questions about sym_subs()

Is the sym_subs() function free to use in SimLab?

Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run sym_subs() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.

Do I need to install MATLAB to use sym_subs()?

No. SimLab runs entirely in your web browser with zero installation. The sym_subs() function works without any MATLAB® license or software download.

What does sym_subs() do?

Substitute a value for a variable in a symbolic expression. Alias for subs(). It is a MATLAB®-compatible symbolic function available in SimLab with the same calling syntax as MATLAB® — typically: sym_subs(expr, var, val).

Can I run sym_subs() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls sym_subs(), and run it. Execution happens locally in your browser — no data leaves your machine.

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