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ubique

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A mathematical and quantitative library for Javascript and Node.js

maxto.github.io/index.html

maxto/ubique

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### arrayfun Apply function to each element of an array or matrix #### Syntax ubique.arrayfun() #### Description Apply function to each element of an array or matrix. First arg is input element, the second one the function to apply, then the parameters of the function. #### Arguments |Params|Type|Description |---------|----|----------- |`args` | number/string/boolean/... | variable input arguments #### Examples ```js ubique.arrayfun([1.4,2.3,3],Math.log); // [ 0.336472, 0.832909, 1.098612 ] ubique.arrayfun([1.4,0,-10],ubique.sign); // [ 1, 0, -1 ] ubique.arrayfun([[5,6],[1,3]],Math.pow,3); // [ [ 125, 216 ], [ 1, 27 ] ] ubique.arrayfun([['cat','concat'],['cattle','catch the catfish']],ubique.strfind,'cat'); // [ [ [ 0 ], [ 3 ] ], [ [ 0 ], [ 0, 10 ] ] ] ubique.arrayfun([null,true,'hello',5,NaN],ubique.isnull); // [ true, false, false, false, false ] ubique.arrayfun([null,true,'hello',5,NaN],ubique.islogical); // [ false, true, false, false, false ] ubique.arrayfun([null,true,'hello',5,NaN],ubique.isstring); // [ false, false, true, false, false ] ubique.arrayfun([null,true,'hello',5,NaN],ubique.isnumber); // [ false, false, false, true, true ] ubique.arrayfun([null,true,'hello',5,{},undefined,'NaN',NaN],ubique.isnan); // [ false, false, false, false, false, false, false, true ] ```