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diff --git a/article/texmacs-maxima-integral.html b/article/texmacs-maxima-integral.html deleted file mode 100644 index 186e6a6..0000000 --- a/article/texmacs-maxima-integral.html +++ /dev/null @@ -1,80 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> -<html xmlns="http://www.w3.org/1999/xhtml" lang="en"> - <head> - <title>TeXmacs Maxima Integrals</title> - <link rel="stylesheet" href="/style.css" /> - <meta name="viewport" content="width=device-width, initial-scale=1.0" /> - <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" /> - <script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script> - <script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script> - <meta charset="utf-8" /> - </head> - <body> - <h1>TeXmacs Maxima Integrals</h1> - <p>Article ID: 18</p> - <p> - I've been trying to get <a href="https://www.texmacs.org/">TeXmacs</a> with its <a href="https://maxima.sourceforge.io/">Maxima</a> <a href="https://www.texmacs.org/tmweb/documents/tutorials/maxima-tutorial/maxima-tutorial.en.html">plugin</a> to work. - </p> - <p> - Enabling the "mathematical input" mode in its interactive sessions I can use TeXmacs as a nice computer algebra system. However, an issue arises when I use integration. - </p> - <p> - If I enter \(\displaystyle\int x\,\mathrm{d}\,x\) with "<code>\int <enter>x d<tab><tab>x</code>" (spaces here are actually typed in while the "<code><tab></code>"s and "<code><enter></code>"s are their respective keys), I get this idiosyncratic error: - </p> - <pre>incorrect syntax: 1 is not an infix operator -integrate( x 1, - ^</pre> - <p> - This seems to be a bug when TeXmacs is translating things into Maxima. Just replace the "<code><tab></code>" between the integrand and the "\(\mathrm{d}\)" with a multiplication operator entered by "<code>*</code>". For example, <code>\int <enter>x*d<tab><tab>x</code> yields the correct result of \(\displaystyle\frac{x^2}{2}\) rather than the nonsensical error. - </p> - <p> - For reference, the source code of a demonstration document is included below in Scheme and XML-like (?) formats. - </p> - <pre>(document (TeXmacs "2.1.1") (style (tuple "generic" "maxima")) (body (document (session "maxima" "default" (document (unfolded-io-math (document (with "color" "red" (concat "(" (with "math-font-family" "rm" "%i") "8) "))) (document (concat (big "int") " x <mathd> x")) (document "" "incorrect syntax: 1 is not an infix operator" "integrate( x 1," " ^")) (unfolded-io-math (document (with "color" "red" (concat "(" (with "math-font-family" "rm" "%i") "8) "))) (document (concat (big "int") "x*<mathd> x")) (document "" (concat " " (math (with "math-display" "true" (concat (text (with "font-family" "tt" "color" "red" (concat "(" (with "math-font-family" "rm" "%o8") ") "))) (frac (concat "x" (rsup "2")) "2"))))))))))) (initial (collection (associate "page-medium" "paper") (associate "preamble" "true") (associate "prog-scripts" "maxima"))))</pre> - <pre><TeXmacs|2.1.1> - -<style|<tuple|generic|maxima>> - -<\body> - <\session|maxima|default> - <\unfolded-io-math> - <with|color|red|(<with|math-font-family|rm|%i>8) > - <|unfolded-io-math> - <big|int> x \<mathd\> x - <|unfolded-io-math> - \; - - incorrect syntax: 1 is not an infix operator - - integrate( x 1, - - \ \ \ \ \ \ \ \ \ \ \ \ \ ^ - </unfolded-io-math> - - <\unfolded-io-math> - <with|color|red|(<with|math-font-family|rm|%i>8) > - <|unfolded-io-math> - <big|int>x*\<mathd\> x - <|unfolded-io-math> - \; - - \ <math|<with|math-display|true|<text|<with|font-family|tt|color|red|(<with|math-font-family|rm|%o8>) - >><frac|x<rsup|2>|2>>> - </unfolded-io-math> - </session> -</body> - -<\initial> - <\collection> - <associate|page-medium|paper> - <associate|preamble|false> - <associate|prog-scripts|maxima> - </collection> -</initial></pre> - <div id="footer"> - <hr /> - <p><a href="/">Runxi Yu's Website</a></p> - - </div> - </body> -</html> |