XLPack for Matplotlib ユーザーマニュアル

import matplotlib.pyplot as plt
import numpy as np
import math
# make data
t = np.linspace(0, 2, 201)
s = 1 + np.sin(2 * math.pi * t)
# plot
plt.plot(t, s, '-b')
plt.xlabel("time (s)")
plt.ylabel("voltage (mV)")
plt.title("About as simple as it gets, folks")
plt.grid()
plt.show()

Dim Plt As New PyPlot

Function Pi() As Double
    Pi = 4 * Atn(1)
End Function

Sub Linspace(A As Double, B As Double, N As Long, X() As Double)
    Dim I As Long
    For I = 0 To N - 1
        X(I) = A + I * ((B - A) / (N - 1))
    Next
End Sub

Sub Test_Plt_Plot()
    Const N = 201
    Dim T(N - 1) As Double, S(N - 1) As Double
    Dim I As Long
    Call Linspace(0, 2, N, T())
    For I = 0 To N - 1
        S(I) = 1 + Sin(2 * Pi() * T(I))
    Next
    Call Plt.Plot(N, T(), S(), "-b")
    Call Plt.Xlabel("time (s)")
    Call Plt.Ylabel("voltage (mV)")
    Call Plt.Title("About as simple as it gets, folks")
    Call Plt.Grid
    Call Plt.Show
End Sub

Sub Test_Plot()
    Const N = 201
    Dim T(N - 1) As Double, S(N - 1) As Double
    Dim I As Long
    Dim Fig As Figure, Ax As Axs
    Call Linspace(0, 2, N, T())
    For I = 0 To N - 1
        S(I) = 1 + Sin(2 * Pi() * T(I))
    Next
    Set Fig = Plt.Figure()
    Set Ax = Fig.Gca()
    Call Ax.Plot(N, T(), S(), "-b")
    Call Ax.Set_xlabel("time (s)")
    Call Ax.Set_ylabel("voltage (mV)")
    Call Ax.Set_title("About as simple as it gets, folks")
    Call Ax.Grid
    Call Plt.Show
End Sub