16

jslab -- A Scientific Computing Library like R and Matlab

Introduction

npm install jslab

Use jslab

file : jslab_test.js

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 [e-mail] to contact the author.

Enjoy it !