mathjs/src/function/trigonometry/acot.js at develop · rpeg/mathjs · GitHub

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import { factory } from '../../utils/factory'

import { deepMap } from '../../utils/collection'

import { acotNumber } from '../../plain/number'

const name = 'acot'

const dependencies = ['typed', 'BigNumber']

export const createAcot = /* #__PURE__ */ factory(name, dependencies, ({ typed, BigNumber }) => {

/**

* Calculate the inverse cotangent of a value, defined as `acot(x) = atan(1/x)`.

* For matrices, the function is evaluated element wise.

* Syntax:

* math.acot(x)

* Examples:

* math.acot(0.5) // returns number 0.4636476090008061

* math.acot(math.cot(1.5)) // returns number 1.5

* math.acot(2) // returns Complex 1.5707963267948966 -1.3169578969248166 i

* See also:

* cot, atan

* @param {number | Complex | Array | Matrix} x Function input

* @return {number | Complex | Array | Matrix} The arc cotangent of x

const acot = typed(name, {

number: acotNumber,

Complex: function (x) {

return x.acot()

BigNumber: function (x) {

return new BigNumber(1).div(x).atan()

'Array | Matrix': function (x) {

return deepMap(x, acot)

}

})

return acot

})

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