16 - npm explorer

jslab -- A Scientific Computing Library like R and Matlab

Introduction



npm install jslab





Use jslab



file : jslab_test.js

javascript

var J = require("jslab");

var C = console;



var A = [[1,2,3],[3,2,2],[4,3,5]];

C.log("A=\n", J.str(A));



var iA = J.inv(A);

C.log("iA=\n", J.str(iA));



var AiA = J.dot(A, iA);

C.log("A*iA=\n", J.str(AiA));

run



$ node jslab_test

A=

 [[          1,          2,          3],

 [          3,          2,          2],

 [          4,          3,          5]]

iA=

 [[    -0.5714,     0.1429,     0.2857],

 [          1,          1,         -1],

 [    -0.1429,    -0.7143,     0.5714]]

A*iA=

 [[          1,          0,          0],

 [ -1.665e-16,          1,  -2.22e-16],

 [ -4.441e-16,  4.441e-16,          1]]

Information

You may mail to ccckmit@gmail.com to contact the author.

Enjoy it !