How to create a calculus derivative solver using Javascript? [closed]

问题

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Closed 6 years ago.

I've been trying to create my own JavaScript program for solving problems in Calculus such as taking the derivative of an equation, but as of yet have not succeeded. I would be greatly appreciative if someone could help me with this.

回答1:

Something like that should do it

function poly(variable, degree){
 return degree*((variable)^(degree-1));
}

You shoud store your polynomial of degree n in an (n+1) 'array' and using Jquery each method

var result = 0;
$.each(array, function(index, value) {
  result = result + poly(value,index);
});

Edit : if you don't know about jquery, you can use pure javascript for loop, for (var i = 0; i < myArray.length; i++) {...}

来源：https://stackoverflow.com/questions/14927494/how-to-create-a-calculus-derivative-solver-using-javascript