Released mathjs v3.12.0

2026-01-25 15:07:57 +00:00 · 2017-04-17 20:47:22 +02:00 · 2017-04-17 20:47:22 +02:00 · 1c8a2b9b7d
commit 1c8a2b9b7d
parent 4a676b3c08
26 changed files with 2575 additions and 2201 deletions
--- a/docs/reference/functions.md
+++ b/docs/reference/functions.md
@ -47,6 +47,7 @@ Function | Description
 [math.lsolve(L,&nbsp;b)](functions/lsolve.html) | Solves the linear equation system by forwards substitution.
 [math.lup(A)](functions/lup.html) | Calculate the Matrix LU decomposition with partial pivoting.
 [math.lusolve(A,&nbsp;b)](functions/lusolve.html) | Solves the linear system `A * x = b` where `A` is an [n x n] matrix and `b` is a [n] column vector.
+[math.qr(A)](functions/qr.html) | Calculate the Matrix QR decomposition.
 [simplify(expr)](functions/simplify.html) | Simplify an expression tree.
 [math.slu(A,&nbsp;order,&nbsp;threshold)](functions/slu.html) | Calculate the Sparse Matrix LU decomposition with full pivoting.
 [math.usolve(U,&nbsp;b)](functions/usolve.html) | Solves the linear equation system by backward substitution.
--- a/docs/reference/functions/qr.md
+++ b/docs/reference/functions/qr.md
@ -0,0 +1,62 @@
+---
+layout: default
+---
+
+<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
+
+<h1 id="function-qr">Function qr <a href="#function-qr" title="Permalink">#</a></h1>
+
+Calculate the Matrix QR decomposition. Matrix `A` is decomposed in 
+two matrices (`Q`, `R`) where `Q` is an 
+orthogonal matrix and `R` is an upper triangular matrix.
+
+
+<h2 id="syntax">Syntax <a href="#syntax" title="Permalink">#</a></h2>
+
+```js
+math.qr(A);
+```
+
+<h3 id="parameters">Parameters <a href="#parameters" title="Permalink">#</a></h3>
+
+Parameter | Type | Description
+--------- | ---- | -----------
+`A` | Matrix &#124; Array | A two dimensional matrix or array
+
+<h3 id="returns">Returns <a href="#returns" title="Permalink">#</a></h3>
+
+Type | Description
+---- | -----------
+{Q: Array &#124; Matrix, R: Array &#124; Matrix} | Q: the orthogonal
+
+
+<h2 id="examples">Examples <a href="#examples" title="Permalink">#</a></h2>
+
+```js
+var m = [
+  [1, -1,  4],
+  [1,  4, -2],
+  [1,  4,  2],
+  [1,  -1, 0]
+];
+var result = math.qr(m);
+// r = {
+//   Q: [
+//     [0.5, -0.5,   0.5],
+//     [0.5,  0.5,  -0.5],
+//     [0.5,  0.5,   0.5],
+//     [0.5, -0.5,  -0.5],
+//   ],
+//   R: [
+//     [2, 3,  2],
+//     [0, 5, -2],
+//     [0, 0,  4],
+//     [0, 0,  0]
+//   ]
+// }
+```
+
+
+<h2 id="see-also">See also <a href="#see-also" title="Permalink">#</a></h2>
+
+[lu](lu.html)
--- a/download.md
+++ b/download.md
@ -36,18 +36,18 @@ Math.js can be downloaded or linked from [cdnjs](http://cdnjs.com/):
 <table class="download">
  <tr>
    <td>
-      <a href="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.js">
-        Development (version 3.11.5)
+      <a href="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.js">
+        Development (version 3.12.0)
      </a>
    </td>
    <td>
-      <span id="development-size">1510 kB</span>, uncompressed with comments
+      <span id="development-size">1518 kB</span>, uncompressed with comments
    </td>
  </tr>
  <tr>
    <td>
-      <a href="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js">
-        Production (version 3.11.5)
+      <a href="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js">
+        Production (version 3.12.0)
      </a>
    </td>
    <td>
--- a/examples/browser/angle_configuration.html
+++ b/examples/browser/angle_configuration.html
@ -14,7 +14,7 @@
    }
  </style>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
 </head>
 <body>

--- a/examples/browser/angle_configuration.html.md
+++ b/examples/browser/angle_configuration.html.md
@ -23,7 +23,7 @@ File: [angle_configuration.html](angle_configuration.html)
    }
  </style>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
 </head>
 <body>

--- a/examples/browser/basic_usage.html
+++ b/examples/browser/basic_usage.html
@ -2,7 +2,7 @@
 <html>
 <head>
  <title>math.js | basic usage</title>
-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
 </head>
 <body>

--- a/examples/browser/basic_usage.html.md
+++ b/examples/browser/basic_usage.html.md
@ -11,7 +11,7 @@ File: [basic_usage.html](basic_usage.html)
 <html>
 <head>
  <title>math.js | basic usage</title>
-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
 </head>
 <body>

--- a/examples/browser/currency_conversion.html
+++ b/examples/browser/currency_conversion.html
@ -3,7 +3,7 @@
 <head>
  <title>math.js | currency conversion</title>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>

  <style>
    body,
--- a/examples/browser/currency_conversion.html.md
+++ b/examples/browser/currency_conversion.html.md
@ -12,7 +12,7 @@ File: [currency_conversion.html](currency_conversion.html)
 <head>
  <title>math.js | currency conversion</title>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>

  <style>
    body,
--- a/examples/browser/custom_separators.html
+++ b/examples/browser/custom_separators.html
@ -14,7 +14,7 @@
    }
  </style>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
 </head>
 <body>

--- a/examples/browser/custom_separators.html.md
+++ b/examples/browser/custom_separators.html.md
@ -23,7 +23,7 @@ File: [custom_separators.html](custom_separators.html)
    }
  </style>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
 </head>
 <body>

--- a/examples/browser/old_browsers.html
+++ b/examples/browser/old_browsers.html
@ -7,7 +7,7 @@
  <script src="//cdnjs.cloudflare.com/ajax/libs/es5-shim/2.2.0/es5-shim.min.js"></script>
  <script src="//cdnjs.cloudflare.com/ajax/libs/es5-shim/2.2.0/es5-sham.min.js"></script>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
 </head>
 <body>

--- a/examples/browser/old_browsers.html.md
+++ b/examples/browser/old_browsers.html.md
@ -16,7 +16,7 @@ File: [old_browsers.html](old_browsers.html)
  <script src="//cdnjs.cloudflare.com/ajax/libs/es5-shim/2.2.0/es5-shim.min.js"></script>
  <script src="//cdnjs.cloudflare.com/ajax/libs/es5-shim/2.2.0/es5-sham.min.js"></script>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
 </head>
 <body>

--- a/examples/browser/plot.html
+++ b/examples/browser/plot.html
@ -2,7 +2,7 @@
 <html>
 <head>
  <title>math.js | plot</title>
-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>

  <!-- load http://maurizzzio.github.io/function-plot/ -->
  <script src="http://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
--- a/examples/browser/plot.html.md
+++ b/examples/browser/plot.html.md
@ -11,7 +11,7 @@ File: [plot.html](plot.html)
 <html>
 <head>
  <title>math.js | plot</title>
-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>

  <!-- load http://maurizzzio.github.io/function-plot/ -->
  <script src="http://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
--- a/examples/browser/pretty_printing_with_mathjax.html
+++ b/examples/browser/pretty_printing_with_mathjax.html
@ -3,7 +3,7 @@
 <head>
  <title>math.js | pretty printing with MathJax</title>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjax/2.3/MathJax.js?config=TeX-AMS-MML_HTMLorMML.js"></script>

  <style>
--- a/examples/browser/pretty_printing_with_mathjax.html.md
+++ b/examples/browser/pretty_printing_with_mathjax.html.md
@ -12,7 +12,7 @@ File: [pretty_printing_with_mathjax.html](pretty_printing_with_mathjax.html)
 <head>
  <title>math.js | pretty printing with MathJax</title>

-  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js"></script>
+  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js"></script>
  <script src="http://cdnjs.cloudflare.com/ajax/libs/mathjax/2.3/MathJax.js?config=TeX-AMS-MML_HTMLorMML.js"></script>

  <style>
--- a/examples/browser/requirejs_loading.html
+++ b/examples/browser/requirejs_loading.html
@ -8,7 +8,7 @@

 <script>
  // load math.js using require.js
-  require(['http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js'], function (math) {
+  require(['http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js'], function (math) {
    // evaluate some expression
    var result = math.eval('1.2 * (2 + 4.5)');
    document.write(result);
--- a/examples/browser/requirejs_loading.html.md
+++ b/examples/browser/requirejs_loading.html.md
@ -17,7 +17,7 @@ File: [requirejs_loading.html](requirejs_loading.html)

 <script>
  // load math.js using require.js
-  require(['http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js'], function (math) {
+  require(['http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js'], function (math) {
    // evaluate some expression
    var result = math.eval('1.2 * (2 + 4.5)');
    document.write(result);
--- a/examples/browser/webworkers/index.md
+++ b/examples/browser/webworkers/index.md
@ -91,7 +91,7 @@ File: [webworkers.html](webworkers.html)
 File: [worker.js](worker.js)

 ```js
-importScripts('http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js');
+importScripts('http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js');

 // create a parser
 var parser = math.parser();
--- a/examples/browser/webworkers/worker.js
+++ b/examples/browser/webworkers/worker.js
@ -1,4 +1,4 @@
-importScripts('http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.11.5/math.min.js');
+importScripts('http://cdnjs.cloudflare.com/ajax/libs/mathjs/3.12.0/math.min.js');

 // create a parser
 var parser = math.parser();
--- a/history.md
+++ b/history.md
@ -5,6 +5,12 @@ layout: default
 <h1 id="history">History <a href="#history" title="Permalink">#</a></h1>


+<h2 id="20170417-version-3120">2017-04-17, version 3.12.0 <a href="#20170417-version-3120" title="Permalink">#</a></h2>
+
+- Implemented QR decomposition, function `math.qr`. Thanks @HarrySarson.
+- Fixed #824: Calling `math.random()` freezes IE and node.js.
+
+
 <h2 id="20170408-version-3115">2017-04-08, version 3.11.5 <a href="#20170408-version-3115" title="Permalink">#</a></h2>

 - More security measures in the expression parser.
--- a/js/lib/math.js
+++ b/js/lib/math.js
--- a/js/lib/math.map
+++ b/js/lib/math.map
--- a/js/lib/math.min.js
+++ b/js/lib/math.min.js
--- a/package.json
+++ b/package.json
@ -6,7 +6,7 @@
    "url": "https://github.com/josdejong/mathjs.git"
  },
  "dependencies": {
-    "mathjs": "3.11.5"
+    "mathjs": "3.12.0"
  },
  "devDependencies": {
    "glob": "^4.3.5",