How do I make my plot show up? - Printable Version +- Python Forum (https://python-forum.io) +-- Forum: Python Coding (https://python-forum.io/Forum-Python-Coding) +--- Forum: Homework (https://python-forum.io/Forum-Homework) +--- Thread: How do I make my plot show up? (/Thread-How-do-I-make-my-plot-show-up) How do I make my plot show up? - ThomasM4 - Dec-09-2018 For this assignment, we are tasked with making a gui program that allows the user to enter many different values such as, x0, dx(0)/dt, t-final, dt, constant load A, sine load (Bt) and parameters for m, b and k. When the plot button is pressed, our plot window should open and we should be able to change the m, b and k sliders and we should see this response affect the graph. My problem seems to be getting my function plotted. The error is coming within the function where I am trying to use my solveMBK function inside my PlotWindow function, I am not sure how to include the values from my sliders as well as the other values that are inputted in the start up window. Here is a look at my code: ```import tkinter as tk from matplotlib.backends.backend_tkagg import (FigureCanvasTkAgg, NavigationToolbar2Tk) from matplotlib.figure import Figure import numpy as np def solveMBK(inlist): x0 = inlist[0] dx0 = inlist[1] dt = inlist[2] m = inlist[3] b = inlist[4] k = inlist[5] tf = inlist[6] Z = inlist[7] t = np.arange(0,tf,dt) z0 = np.zeros_like(t) z1 = np.zeros_like(t) z0[0] = x0 z1[0] = dx0 for c in range(len(t)-1): z0[c+1] = z0[c] + z1[c]*dt z1[c+1] = z1[c] + ((ABradiobutton(Z,t[c]) - k*z0[c] - b*z1[c]) / m) x = z0 return t,x def ABradiobutton(Z, t): if Z == 1: A = float(A_entry.get()) return A elif Z == 2: B = float(B_entry.get()) return np.sin(B*t) def PlotWindow(): root1 = tk.Tk() root1.title("Plot") Mmin = float(Mmin_entry.get()) Mmax = float(Mmax_entry.get()) bmin = float(bmin_entry.get()) bmax = float(bmax_entry.get()) kmin = float(kmin_entry.get()) kmax = float(kmax_entry.get()) mscale = tk.Scale(root1, from_=Mmin, to=Mmax, label="m", bd=2, length=200, orient=tk.HORIZONTAL, command = funcPlot) mscale.set((Mmin+Mmax)/2) mscale.grid(row=1, column=0) bscale = tk.Scale(root1, from_=bmin, to=bmax, label="b", bd=2, length=200, orient=tk.HORIZONTAL, command = funcPlot) bscale.set((bmin+bmax)/2) bscale.grid(row=3, column=0) kscale = tk.Scale(root1, from_=kmin, to=kmax, label="k", bd=2, length=200, orient=tk.HORIZONTAL, command = funcPlot) kscale.set((kmin+kmax)/2) kscale.grid(row=5, column=0) tk.Label(root1, text = " ").grid(row=6, column=0) tk.Button(root1, text="Back", command=root1.destroy).grid(row=7, column=0) Graph_Frame = tk.Frame(root1) Graph_Frame.grid(row=2, column=2, columnspan=10, rowspan=10) Fig = Figure(figsize=(5.5,4)) a = Fig.add_subplot(111) [error] if ABradiobutton == 1: t,x = solveMBK() a.plot(t,x) elif Radio_Var == 2: t,x = solveMBK() a.plot(t,x) [/error] tk.Label(Graph_Frame, text = "Mass-Spring-Damper Plot").pack() canvas = FigureCanvasTkAgg(Fig, Graph_Frame) canvas.draw() canvas.get_tk_widget().pack() toolbar = NavigationToolbar2Tk(canvas, Graph_Frame) toolbar.update() canvas.get_tk_widget().pack() def CloseWindow(): root.quit() root.destroy() exit() def funcPlot(input_list, mscale, bscale, kscale, a, canvas, event=None): input_list[0]=float(x0_Entry.get()) input_list[1]=float(dxdt_Entry.get()) input_list[2]=float(dt_entry.get()) input_list[3]=float(mscale.get()) input_list[4]=float(bscale.get()) input_list[5]=float(kscale.get()) input_list[6]=float(tfinal_entry.get()) input_list[7]=float(Radio_Var.get()) data = solveMBK(input_list) a.plot(data[0], data[1]) canvas.draw() return root = tk.Tk() root.title("Numerical solution of a second order differential equation") tk.Label(root, text = "Differential Equation:").grid(row=0, column=0, sticky=tk.E) tk.Label(root, text = "m d2x/dt2 + b dx/dt + kx = f(x)").grid(row=0, column=1) x0_Start = tk.IntVar() x0_Start.set("0") x0_Entry = tk.Entry(root, width=7, textvariable = x0_Start) tk.Label(root, text = "x(0) = ").grid(row=1, column=0, stick=tk.E), x0_Entry.grid(row=1, column=1, sticky=tk.W) dxdt_Start = tk.IntVar() dxdt_Start.set("0") dxdt_Entry = tk.Entry(root, width=7, textvariable = dxdt_Start) tk.Label(root, text = "dx(0)/dt= ").grid(row=2, column=0, sticky=tk.E), dxdt_Entry.grid(row=2, column=1, sticky=tk.W) A_start = tk.IntVar() A_start.set("1") A_entry = tk.Entry(root, width=7, textvariable = A_start) tk.Label(root, text = "A = ").grid(row=6, column=1, sticky=tk.E), A_entry.grid(row=6, column=2, sticky=tk.W) B_start = tk.IntVar() B_start.set("0") B_entry = tk.Entry(root, width=7, textvariable=B_start) tk.Label(root, text= "B =").grid(row=7,column=1, sticky=tk.E), B_entry.grid(row=7, column=2, sticky=tk.W) tk.Label(root, text = " ").grid(row=5, column=0, sticky=tk.E) Radio_Var = tk.IntVar() tk.Radiobutton(root, text="A", value = 1, variable=Radio_Var).grid(row=6, column=1, sticky = tk.W) tk.Radiobutton(root, text="sin(Bt)", value = 2, variable=Radio_Var).grid(row=7, column=1, sticky = tk.W) Radio_Var.set(1) tk.Label(root, text = "f(x) = ").grid(row=6, column=0, sticky=tk.E) tk.Label(root, text = " ").grid(row=8, column=0, sticky=tk.E) tfinal_start = tk.IntVar() tfinal_start.set("10") tfinal_entry = tk.Entry(root, width = 7, textvariable=tfinal_start) tk.Label(root, text = "tfinal = ").grid(row=9, column=0, sticky=tk.E), tfinal_entry.grid(row=9, column=1, sticky=tk.W) dt_start = tk.IntVar() dt_start.set("0.001") dt_entry = tk.Entry(root, width = 7, textvariable=dt_start) tk.Label(root, text = "dt = ").grid(row=9, column=1, sticky=tk.E), dt_entry.grid(row=9, column=2, sticky=tk.W) tk.Label(root, text = " ").grid(row=10, column=0, sticky=tk.E) Mmin_start = tk.IntVar() Mmin_start.set("1") Mmin_entry = tk.Entry(root, width=7, textvariable=Mmin_start) tk.Label(root, text = "Mmin = ").grid(row=11, column=0, sticky=tk.E), Mmin_entry.grid(row=11, column=1, sticky=tk.W) Mmax_start = tk.IntVar() Mmax_start.set("100") Mmax_entry = tk.Entry(root, width=7, textvariable=Mmax_start) tk.Label(root, text = "Mmax = ").grid(row=11,column=1, sticky=tk.E), Mmax_entry.grid(row=11, column=2, sticky=tk.W) bmin_start = tk.IntVar() bmin_start.set("1") bmin_entry = tk.Entry(root, width=7, textvariable=bmin_start) tk.Label(root, text = "bmin = ").grid(row=12, column=0, sticky=tk.E), bmin_entry.grid(row=12, column=1, sticky=tk.W) bmax_start = tk.IntVar() bmax_start.set("250") bmax_entry = tk.Entry(root, width=7, textvariable=bmax_start) tk.Label(root, text= "bmax = ").grid(row=12, column=1, sticky=tk.E), bmax_entry.grid(row=12,column=2,sticky=tk.W) kmin_start = tk.IntVar() kmin_start.set("1") kmin_entry = tk.Entry(root, width=7, textvariable=kmin_start) tk.Label(root, text= "kmin = ").grid(row=13, column=0, sticky=tk.E), kmin_entry.grid(row=13, column=1, sticky=tk.W) kmax_start = tk.IntVar() kmax_start.set("500") kmax_entry = tk.Entry(root, width=7, textvariable=kmax_start) tk.Label(root, text="kmax = ").grid(row=13, column=1, sticky=tk.E), kmax_entry.grid(row=13, column=2, sticky=tk.W) tk.Button(root, text = "Quit", command=CloseWindow, width=10).grid(row=14, column=0) tk.Button(root, text= "Plot", command=PlotWindow, width=10).grid(row=14, column=3) root.mainloop()```