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Results tagged with calc
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user 2221
Calculator mode: Calculator major mode.
3
votes
Define a function in Calc (Embedded)
This probably won't be very satisfying but you can use the anonymous function syntax and call the function with the call function:
f := <x : 2 x>
call(f, 7) => 14
(Sadly f(7) doesn't work.)
- 4,852
8
votes
Accepted
Can I use calc-eval to solve an equation?
Yes, for example:
(calc-eval "solve([x+y=3, x-y=1], [x,y])")
evaluates to:
"[x = 2, y = 1]"
You might find it more comfortable to use a calc-mode buffer than running calc-eval in the scratch buffer …
- 4,852
5
votes
Accepted
Is there a row-reduced echelon form for calc mode?
--- so I'll include the source here too:
;;; -*- lexical-binding: t; -*-
;; contents of calc-rref.el
(require 'calc-mtx)
(defun calc-rref (arg)
"Compute the reduce row echelon form of a matrix"
( … #'calc-rref)
(provide 'calc-rref) …
- 4,852