mirror of
https://github.com/josdejong/mathjs.git
synced 2026-01-25 15:07:57 +00:00
e1f0791574
In matlab and octave the expression A' produces the Hermitian conjugate, the complex conjugate of the transpose. Now transpose produces the transpose, while ctranspose produces the conjugate transpose. These are equal for real numbers, while for complex numbers only the conjugate transpose is of much use.
108 lines
2.8 KiB
JavaScript
108 lines
2.8 KiB
JavaScript
'use strict';
|
|
|
|
var escape_latex = require('escape-latex')
|
|
|
|
exports.symbols = {
|
|
// GREEK LETTERS
|
|
Alpha: 'A', alpha: '\\alpha',
|
|
Beta: 'B', beta: '\\beta',
|
|
Gamma: '\\Gamma', gamma: '\\gamma',
|
|
Delta: '\\Delta', delta: '\\delta',
|
|
Epsilon: 'E', epsilon: '\\epsilon', varepsilon: '\\varepsilon',
|
|
Zeta: 'Z', zeta: '\\zeta',
|
|
Eta: 'H', eta: '\\eta',
|
|
Theta: '\\Theta', theta: '\\theta', vartheta: '\\vartheta',
|
|
Iota: 'I', iota: '\\iota',
|
|
Kappa: 'K', kappa: '\\kappa', varkappa: '\\varkappa',
|
|
Lambda: '\\Lambda', lambda: '\\lambda',
|
|
Mu: 'M', mu: '\\mu',
|
|
Nu: 'N', nu: '\\nu',
|
|
Xi: '\\Xi', xi: '\\xi',
|
|
Omicron: 'O', omicron: 'o',
|
|
Pi: '\\Pi', pi: '\\pi', varpi: '\\varpi',
|
|
Rho: 'P', rho: '\\rho', varrho: '\\varrho',
|
|
Sigma: '\\Sigma', sigma: '\\sigma', varsigma: '\\varsigma',
|
|
Tau: 'T', tau: '\\tau',
|
|
Upsilon: '\\Upsilon', upsilon: '\\upsilon',
|
|
Phi: '\\Phi', phi: '\\phi', varphi: '\\varphi',
|
|
Chi: 'X', chi: '\\chi',
|
|
Psi: '\\Psi', psi: '\\psi',
|
|
Omega: '\\Omega', omega: '\\omega',
|
|
//logic
|
|
'true': '\\mathrm{True}',
|
|
'false': '\\mathrm{False}',
|
|
//other
|
|
i: 'i', //TODO use \i ??
|
|
inf: '\\infty',
|
|
Inf: '\\infty',
|
|
infinity: '\\infty',
|
|
Infinity: '\\infty',
|
|
oo: '\\infty',
|
|
lim: '\\lim',
|
|
'undefined': '\\mathbf{?}'
|
|
};
|
|
|
|
exports.operators = {
|
|
'transpose': '^\\top',
|
|
'ctranspose': '^H',
|
|
'factorial': '!',
|
|
'pow': '^',
|
|
'dotPow': '.^\\wedge', //TODO find ideal solution
|
|
'unaryPlus': '+',
|
|
'unaryMinus': '-',
|
|
'bitNot': '~', //TODO find ideal solution
|
|
'not': '\\neg',
|
|
'multiply': '\\cdot',
|
|
'divide': '\\frac', //TODO how to handle that properly?
|
|
'dotMultiply': '.\\cdot', //TODO find ideal solution
|
|
'dotDivide': '.:', //TODO find ideal solution
|
|
'mod': '\\mod',
|
|
'add': '+',
|
|
'subtract': '-',
|
|
'to': '\\rightarrow',
|
|
'leftShift': '<<',
|
|
'rightArithShift': '>>',
|
|
'rightLogShift': '>>>',
|
|
'equal': '=',
|
|
'unequal': '\\neq',
|
|
'smaller': '<',
|
|
'larger': '>',
|
|
'smallerEq': '\\leq',
|
|
'largerEq': '\\geq',
|
|
'bitAnd': '\\&',
|
|
'bitXor': '\\underline{|}',
|
|
'bitOr': '|',
|
|
'and': '\\wedge',
|
|
'xor': '\\veebar',
|
|
'or': '\\vee'
|
|
};
|
|
|
|
exports.defaultTemplate = '\\mathrm{${name}}\\left(${args}\\right)';
|
|
|
|
var units = {
|
|
deg: '^\\circ'
|
|
};
|
|
|
|
exports.escape = function (string) {
|
|
return escape_latex(string, {'preserveFormatting': true});
|
|
}
|
|
|
|
//@param {string} name
|
|
//@param {boolean} isUnit
|
|
exports.toSymbol = function (name, isUnit) {
|
|
isUnit = typeof isUnit === 'undefined' ? false : isUnit;
|
|
if (isUnit) {
|
|
if (units.hasOwnProperty(name)) {
|
|
return units[name];
|
|
}
|
|
|
|
return '\\mathrm{' + exports.escape(name) + '}';
|
|
}
|
|
|
|
if (exports.symbols.hasOwnProperty(name)) {
|
|
return exports.symbols[name];
|
|
}
|
|
|
|
return exports.escape(name);
|
|
};
|