import clr
import System
import os
clr.AddReferenceToFileAndPath("C:\\Program Files\\ANSYS Inc\\v201\\Addins\\ACT\\bin\\Win64\\MathNet.Numerics.dll")
# Example 1
import MathNet
from MathNet.Numerics.LinearAlgebra import *
V=Vector[System.Double].Build
M=Matrix[System.Double].Build
m = M.Random(3,4)
v = V.Random(3)
r=v*m
print r
# Example 2
import MathNet.Numerics.LinearAlgebra as la
from System import Array as sys_array
def array(*x): return sys_array[float](x) #float is equivalent to .Net double
A = la.Double.Matrix.Build.DenseOfRowArrays(
array(3, 2,-1),
array(2,-2,4),
array(-1,.5,-1)
)
b = la.Double.Vector.Build.DenseOfArray(array(1, -2, 0))
x = A.Solve(b)
print x
# Example 3
A1 = la.Double.Matrix.Build.DenseOfRowArrays(
array(3.0, 4.0, -1.0, 0.0),
array(4.0, 5.0, 0.0, -1.0),
array(5.0, 6.0, 0.0, 0.0),
array(6.0, 7.0, 0.0, 0.0)
)
b1 = la.Double.Vector.Build.DenseOfArray(array(0, 0, 20, 0))
x1 = A1.Solve(b1)
print x1
