pmt = [0,0,0,0] #鄭元淏程式設計586設定串列list pmt[0]=float(input('鄭元淏躉繳金額: '))#float轉換成實數 float 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 = 0.00000001 loopNumber = 1 while (gap > maxerror and abs(f) > maxerror and loopNumber < 100): loopNumber+=1 c = (a+b)/2; f = npv(c); if ( abs(f) > maxerror and gap > maxerror): if ( f>0 ): a = c else: b = c gap = b-a; print('鄭元淏報酬率: ', c) print('鄭元淏淨現值: ', f) print('鄭元淏迴圈次數: ', loopNumber) 這學期學會網路程式語言JAVASCRIPT也學會人工智慧使用最多的PYTHON語言 嵌入網頁的指令<IFRAME SRC="網址"> </IFRAME>
截圖範圍太大看不出重點.https://sklnfijseifjsk.blogspot.com/2025/06/pmt-0000-586list-pmt0floatinput-float.html
回覆刪除521. sin cos正確執行，之後沒有做作業。https://sklnfijseifjsk.blogspot.com/2025/05/javascriptsincoscanvasfont.html