from tkinter import * #或者import tkinter as tk import math tk = Tk() #建構視窗名為tk tk.geometry('1200x400')#視窗 寬1200像素 tk.title("劉任昌python tkinter三角函數") canvas = Canvas(tk, width=1200, height=400, bg='black') canvas.grid(row=0,column=0,padx=5,pady=5,columnspan=3) delay=10 # milliseconds, 1/1000秒 x1,y1,z1=0,200,10#python特徵,多變數=對等值 h=190 #上下範圍,相當於數學1到-1 def LH(): global x1, y1, z1#global全球,local當地 x2 = x1 + 1 #換到下個+1 y2=200 - h*math.sin(0.02*x2) z2=200 - h*math.cos(0.02*x2) L1=canvas.create_line(x1,y1,x2,y2,fill='red',width=10) L2=canvas.create_line(x1,z1,x2,z2,fill='yellow',width=10) if (x2
這個網誌中的熱門文章
呂家瑩二分法求內部報酬率
嵌入劉任昌解說影片 以下程式碼 pmt = [0,0,0,0] #劉任昌程式設計586設定串列list pmt[0]=float(input('躉繳金額: ')) for nper in range(1,4): pmt[nper] = float(input('第'+str(nper)+'期回收: ')) def npv(rate): y = - pmt[0] for j in range(1,4): y = y + pmt[j]/(1+rate)**j return y a, b, gap, f = 0.0, 1.0, 9.0, 9.0 maxerror = 0.000001 loopNumber = 1 while (gap > maxerror and abs(f) > maxerror and loopNumber maxerror and gap > maxerror): if ( f>0 ): a = c else: b = c gap = b-a; print('報酬率: ', c) print('淨現值: ', f) print('迴圈次數: ', loopNumber)
507.https://jjjjiaying.blogspot.com/2025/05/from-tkinter-import-import-tkinter-as.html
回覆刪除https://jjjjiaying.blogspot.com/2025/03/pythonlistarraytuplesetdict.html
409.https://jjjjiaying.blogspot.com/2025/04/var-banks-function-abc-var-c-document.html
312.https://jjjjiaying.blogspot.com/2025/03/blog-post.html
305.有應付就是有來上課!很好。https://jjjjiaying.blogspot.com/2025/03/animal-pythoncomments-printanimal2.html
226.https://jjjjiaying.blogspot.com/2025/02/blog-post.html
https://jjjjiaying.blogspot.com/2025/02/css-body-font-family-arial-sans-serif.html