我想使用math.js(http://mathjs.org/docs/reference/functions/inv.html),但我看不到如何將它包含在HTML文件中。如何包含和使用math.js
我已閱讀,你可以通過添加這文件包含它:
var math = require('mathjs');
但沒有對工作我
我知道這聽起來像一個真正愚蠢的問題,但我有試圖找出自己,並沒有取得成功。
回答我的問題只是顯示一個完整的HTML文件(不只是一點點從一個代碼),成功地使用math.js
感謝
我試了一下亞歷山大·奧馬拉建議和我這個:
/** * Math.js can easily be extended with functions and variables using the * `import` function. The function `import` accepts a module name or an object * containing functions and variables. */ // load math.js (using node.js) var math = require('../index'); /** * Define new functions and variables */ math.import({ myConstant: 42, hello: function (name) { return 'hello, ' + name + '!'; } }); // defined methods can be used in both JavaScript as well as the parser print(math.myConstant * 2); // 84 print(math.hello('user')); // 'hello, user!' print(math.eval('myConstant + 10')); // 52 print(math.eval('hello("user")')); // 'hello, user!' /** * Import the math library numbers.js, https://github.com/sjkaliski/numbers.js * The library must be installed first using npm: * npm install numbers */ try { // load the numbers.js library var numbers = require('numbers'); // import the numbers.js library into math.js math.import(numbers, {wrap: true, silent: true}); if (math.fibonacci) { // calculate fibonacci print(math.fibonacci(7)); // 13 print(math.eval('fibonacci(7)')); // 13 } } catch (err) { console.log('Warning: To import numbers.js, the library must ' + 'be installed first via `npm install numbers`.'); } /** * Import the math library numeric.js, http://numericjs.com/ * The library must be installed first using npm: * npm install numeric */ try { // load the numeric.js library var numeric = require('numeric'); // import the numeric.js library into math.js math.import(numeric, {wrap: true, silent: true}); if (math.eig) { // calculate eigenvalues of a matrix print(math.eval('eig([1, 2; 4, 3])').lambda.x); // [5, -1]; // solve AX = b var A = math.eval('[1, 2, 3; 2, -1, 1; 3, 0, -1]'); var b = [9, 8, 3]; print(math.solve(A, b)); // [2, -1, 3] } } catch (err) { console.log('Warning: To import numeric.js, the library must ' + 'be installed first via `npm install numeric`.'); } /** * By default, the function import does not allow overriding existing functions. * Existing functions can be overridden by specifying option `override: true` */ math.import({ pi: 3.14 }, { override: true }); print(math.pi); // returns 3.14 instead of 3.141592653589793 /** * Helper function to output a value in the console. Value will be formatted. * @param {*} value */ function print (value) { var precision = 14; console.log(math.format(value, precision)); }
http://mathjs.org/docs/getting_started.html – NTL
那麼,您是否首先包含'require.js'? –
這是commonjs(節點)的方式,也許你想要瀏覽器的例子。 –