Help:Math - Revision history

Ben at 15:32, 11 June 2012

2012-06-11T15:32:51Z

Ben at 15:12, 11 June 2012

2012-06-11T15:12:25Z

Ben at 15:05, 11 June 2012

2012-06-11T15:05:51Z

Ben at 21:52, 22 May 2008

2008-05-22T21:52:00Z

Ben at 21:51, 22 May 2008

2008-05-22T21:51:29Z

Ben: Commented out ASCIIMath section

2008-05-22T21:50:36Z

Commented out ASCIIMath section

Ben at 14:48, 2 October 2007

2007-10-02T14:48:55Z

Ben: Changed instructions to use Mimetex

2007-10-02T14:46:44Z

Changed instructions to use Mimetex

Ben: Undo revision 3313 by Ben (Talk)

2007-10-01T21:34:06Z

Undo revision 3313 by Ben (Talk)

Ben: Undo revision 3314 by Ben (Talk)

2007-10-01T21:32:40Z

Undo revision 3314 by Ben (Talk)

@@ Line 11: / Line 11: @@
 The acceleration of a solar sail due to solar pressure <math>\vec a_s</math> given the position vector from the sun to the sail <math>\vec r_s</math> is:
-  <math>\vec a_s = a_c {AU^2 \over r_s^2} \(\vec r_s \cdot \vec n\)^2 \vec n</math>
+  <math>\vec a_s = a_c {AU^2 \over r_s^2} \left(\vec r_s \cdot \vec n\right)^2 \vec n</math>
 where <math>a_c</math> is max sail acceleration at Earth's distance from the sun (1 AU), <math>AU</math> is the length of an astronomical unit, <math>r_s</math> is the magnitude of <math>\vec r_s</math>, and <math>\vec n</math> is the unit vector normal to the sail surface.

@@ Line 11: / Line 11: @@
 The acceleration of a solar sail due to solar pressure <math>\vec a_s</math> given the position vector from the sun to the sail <math>\vec r_s</math> is:
-<math>\vec a_s = a_c \frac{AU^2}{r_s^2} \(\vec r_s \cdot \vec n\)^2 \vec n</math>
+ <math>\vec a_s = a_c {AU^2 \over r_s^2} \(\vec r_s \cdot \vec n\)^2 \vec n</math>
 where <math>a_c</math> is max sail acceleration at Earth's distance from the sun (1 AU), <math>AU</math> is the length of an astronomical unit, <math>r_s</math> is the magnitude of <math>\vec r_s</math>, and <math>\vec n</math> is the unit vector normal to the sail surface.

← Older revision		Revision as of 15:05, 11 June 2012
Line 1:		Line 1:
		+	==LaTeX==
		+
		+	You can enter LaTeX equations by enclosing them in <nowiki><math>...</math></nowiki> tags. This uses the [http://www.mediawiki.org/wiki/Extension:Math Math extension]. For LaTeX math help, see:
		+	* [http://www.latex-project.org/guides/ LaTeX documentation]
		+	** [http://ctan.tug.org/tex-archive/info/lshort/english/lshort.pdf The Not so Short Introduction to LaTex] - with a very complete chapter on typesetting mathematical formulas
		+
		+	===Examples===
		+
		+	<nowiki><math>\sqrt[3]{a x + x^2}</math></nowiki> produces <math>\sqrt[3]{a x + x^2}</math>
		+
		+	The acceleration of a solar sail due to solar pressure <math>\vec a_s</math> given the position vector from the sun to the sail <math>\vec r_s</math> is:
		+
		+	<math>\vec a_s = a_c \frac{AU^2}{r_s^2} \(\vec r_s \cdot \vec n\)^2 \vec n</math>
		+
		+	where <math>a_c</math> is max sail acceleration at Earth's distance from the sun (1 AU), <math>AU</math> is the length of an astronomical unit, <math>r_s</math> is the magnitude of <math>\vec r_s</math>, and <math>\vec n</math> is the unit vector normal to the sail surface.
		+
	==Mimetex==		==Mimetex==
		+
		+	''Deprecated. Please follow LaTeX instructions from now on.''

	Mathematics can be displayed on SolarSailWiki using the [http://www.forkosh.com/mimetex.html Mimetex] program, which uses a subset of the [http://www.latex-project.org/ LaTeX] math formulas.		Mathematics can be displayed on SolarSailWiki using the [http://www.forkosh.com/mimetex.html Mimetex] program, which uses a subset of the [http://www.latex-project.org/ LaTeX] math formulas.

@@ Line 10: / Line 10: @@
 Some examples:
-<nowiki><tex>\sqrt[3]{a x + x^2}</tex></nowiki> produces <tex>\sqrt[3]{a x + x^2)</tex>
+<nowiki><tex>\sqrt[3]{a x + x^2}</tex></nowiki> produces <tex>\sqrt[3]{a x + x^2}</tex>
 The acceleration of a solar sail due to solar pressure <tex>\vec a_s</tex> given the position vector from the sun to the sail <tex>\vec r_s</tex> is:

@@ Line 10: / Line 10: @@
 Some examples:
-<nowiki><tex>\sqrt[3]{a x + x^2)</tex></nowiki> produces <tex>\sqrt[3]{a x + x^2)</tex>
+<nowiki><tex>\sqrt[3]{a x + x^2}</tex></nowiki> produces <tex>\sqrt[3]{a x + x^2)</tex>
 The acceleration of a solar sail due to solar pressure <tex>\vec a_s</tex> given the position vector from the sun to the sail <tex>\vec r_s</tex> is:

@@ Line 18: / Line 18: @@
 where <tex>a_c</tex> is max sail acceleration at Earth's distance from the sun (1 AU), <tex>AU</tex> is the length of an astronomical unit, <tex>r_s</tex> is the magnitude of <tex>\vec r_s</tex>, and <tex>\vec n</tex> is the unit vector normal to the sail surface.
+<!--
 ==ASCIIMath Not Currently in Use==
@@ Line 63: / Line 63: @@
 where <am>a_c</am> is max sail acceleration at Earth's distance from the sun (1 AU), <am>AU</am> is the length of an astronomical unit, <am>r_s</am> is the magnitude of <am>vec r_s</am>, and <am>vec n</am> is the unit vector normal to the sail surface.

@@ Line 3: / Line 3: @@
 Mathematics can be displayed on SolarSailWiki using the [http://www.forkosh.com/mimetex.html Mimetex] program, which uses a subset of the [http://www.latex-project.org/ LaTeX] math formulas.
 All you need to do is enclose a valid TeX/LaTeX formula inside <nowiki><tex>...</tex></nowiki> tags.
 * [http://www.forkosh.com/mimetexmanual.html Mimetex documentation]
 * [http://www.latex-project.org/guides/ LaTeX documentation]
@@ Line 15: / Line 16: @@
 <tex>\vec a_s = a_c {AU^2 \over r_s^2} \(\vec r_s \cdot \vec n\)^2 \vec n</tex>
-where <tex>a_c</tex> is max sail acceleration at Earth's distance from the sun (1 AU), 'AU' is the length of an astronomical unit, <tex>r_s</tex> is the magnitude of <tex>\vec r_s</tex>, and <tex>\vec n</tex> is the unit vector normal to the sail surface.
+where <tex>a_c</tex> is max sail acceleration at Earth's distance from the sun (1 AU), <tex>AU</tex> is the length of an astronomical unit, <tex>r_s</tex> is the magnitude of <tex>\vec r_s</tex>, and <tex>\vec n</tex> is the unit vector normal to the sail surface.

← Older revision		Revision as of 14:46, 2 October 2007
Line 1:		Line 1:
−	==~~Intro~~==	+	==Mimetex==
		+
		+	Mathematics can be displayed on SolarSailWiki using the [http://www.forkosh.com/mimetex.html Mimetex] program, which uses a subset of the [http://www.latex-project.org/ LaTeX] math formulas.
		+	All you need to do is enclose a valid TeX/LaTeX formula inside <nowiki><tex>...</tex></nowiki> tags.
		+	* [http://www.forkosh.com/mimetexmanual.html Mimetex documentation]
		+	* [http://www.latex-project.org/guides/ LaTeX documentation]
		+	** [http://ctan.tug.org/tex-archive/info/lshort/english/lshort.pdf The Not so Short Introduction to LaTex] - with a very complete chapter on typesetting mathematical formulas
		+
		+	Some examples:
		+
		+	<nowiki><tex>\sqrt[3]{a x + x^2)</tex></nowiki> produces <tex>\sqrt[3]{a x + x^2)</tex>
		+
		+	The acceleration of a solar sail due to solar pressure <tex>\vec a_s</tex> given the position vector from the sun to the sail <tex>\vec r_s</tex> is:
		+
		+	<tex>\vec a_s = a_c {AU^2 \over r_s^2} \(\vec r_s \cdot \vec n\)^2 \vec n</tex>
		+
		+	where <tex>a_c</tex> is max sail acceleration at Earth's distance from the sun (1 AU), 'AU' is the length of an astronomical unit, <tex>r_s</tex> is the magnitude of <tex>\vec r_s</tex>, and <tex>\vec n</tex> is the unit vector normal to the sail surface.
		+
		+
		+	==ASCIIMath Not Currently in Use==
		+
		+	For the time being, ASCIIMath can be used, but MathML won't be properly displayed because of an incompatibility with Internet Explorer without MathPlayer installed.

	Mathematics can be displayed on SolarSailWiki pages using the PHP version of [http://www.jcphysics.com/ASCIIMath/ ASCIIMath].		Mathematics can be displayed on SolarSailWiki pages using the PHP version of [http://www.jcphysics.com/ASCIIMath/ ASCIIMath].

@@ Line 1: / Line 1: @@
 ==Intro==
-Mathematics can be displayed on SolarSailWiki pages using [http://www1.chapman.edu/~jipsen/asciimath.html ASCIIMathML], which requires Javascript and MathML to be used fully.
+Mathematics can be displayed on SolarSailWiki pages using the PHP version of [http://www.jcphysics.com/ASCIIMath/ ASCIIMath].
-ASCIIMathML has a simple syntax for expressing equations that is converted to [http://www.w3.org/Math/ MathML] which can be rendered by newer web browsers.
+ASCIIMath has a simple syntax for expressing equations that is converted to [http://www.w3.org/Math/ MathML] which can be rendered by newer web browsers.
 Browsers that support MathML are:
 *[http://www.microsoft.com/ie/ Internet Explorer] - using the plugin [http://www.dessci.com/en/products/mathplayer/ Mathplayer]
@@ Line 21: / Line 21: @@
 * Linux - This requires more work, so it is discussed in more detail on its own page [[Help:MathML in Linux]]. Firefox may require additional steps.
-==ASCIIMathML==
+==ASCIIMath==
-For detailed ASCIIMathML usage, look at the [http://www1.chapman.edu/~jipsen/mathml/asciimathsyntax.xml ASCIIMathML syntax].
+For detailed ASCIIMath usage, look at the [http://www1.chapman.edu/~jipsen/mathml/asciimathsyntax.xml ASCIIMathML syntax].
-ASCIIMath is contained in backquotes: ``
+One important change is that in this implementation, ASCIIMath is NOT contained in backquotes: `...`
 As an example, the cube-root of a-times-x plus x-squared can be expressed using the code:
-root3 (a x + x^2)
+<nowiki><am>root3 (a x + x^2)</am></nowiki>
-This is displayed in MathML as: `root3 (a x + x^2)`
+This is displayed in MathML as: <am>root3 (a x + x^2)</am>
 Go the the [[Sandbox]] to try it out.
@@ Line 35: / Line 36: @@
 Some other examples:
-The acceleration of a solar sail due to solar pressure `vec a_s` given the position vector from the sun to the sail `vec r_s` is:
+The acceleration of a solar sail due to solar pressure <am>vec a_s</am> given the position vector from the sun to the sail <am>vec r_s</am> is:
-`vec a_s = a_c (AU^2)/(r_s^2) ( vec r_s * vec n)^2 vec n`
+<am>vec a_s = a_c (AU^2)/(r_s^2) ( vec r_s * vec n)^2 vec n</am>
-where `a_c` is max sail acceleration at Earth's distance from the sun (1 AU), `AU` is the length of an astronomical unit, `r_s` is the magnitude of `vec r_s`, and `vec n` is the unit vector normal to the sail surface.
+where <am>a_c</am> is max sail acceleration at Earth's distance from the sun (1 AU), <am>AU</am> is the length of an astronomical unit, <am>r_s</am> is the magnitude of <am>vec r_s</am>, and <am>vec n</am> is the unit vector normal to the sail surface.