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  1. <center><h3>½»»¥Ê½Á·Ï°ÖеÄËæ»ú²ÎÊý</h3></center> <p>
  2.  
  3. ʹÓÃËæ»ú²ÎÊý¿ÉÒÔʹÄúµÄÁ·Ï°¸ü¼ÓÎüÒýÈË,
  4. ÒòΪÿ´Î³öÀ´µÄ¶¼ÊDz»Í¬µÄÁ·Ï°.
  5. <p>
  6. ÀýÈçÒÔÏÂÒ»ÐÐÃüÁÒåÁËÃûΪ<font color=blue><b>x1</b></font>µÄ²ÎÊý,
  7. ËüµÄÖµÊÇ-10Óë10¼äµÄ²ÎÊý(°üÀ¨-10Óë10):
  8. <pre>
  9. \integer{x1=random(-10..10)}
  10. </pre>
  11. ÒÔºóÔÚ³ÂÊö, »Ø´ð, ÌáʾÓë½âÖж¼¿ÉÒÔÓÃ<b><tt>\x1</tt></b>À´µ÷ÓôËËæ»ú²ÎÊý.
  12. Ò²¾ÍÊÇ˵Îı¾ÖеÄ<tt>\x1</tt>ÿ´Î¶¼±»²»Í¬µÄËæ»úÖµËùÈ¡´ú.
  13. ÕâÖÖÈ¡´úÒ²·¢ÉúÔÚÒÀÀµÓÚx1µÄÆäËû²ÎÊýµÄ¶¨ÒåÖÐ.
  14. <p>
  15. ÏÖÔÚ¼ÙÉèÄúÔÚ²ÎÊý¶¨ÒåµÄÀ¸Ä¿ÖÐÊäÈëÁË
  16. <pre>
  17. \integer{x1=random(-10..10)}
  18. \integer{y1=\x1+3}
  19. </pre>
  20. Á·Ï°µÄ³ÂÊöΪ
  21. <pre>
  22. ¼ÆËã\x1Óë\y1µÄ³Ë»ý.
  23. </pre>
  24. ¼Ù¶¨ÔÚÁ·Ï°µÄij¸öÇëÇóÖÐ\x1±»·ÖÅäÒ»¸öËæ»úÖµ<font color=red>-7</font>.
  25. ºóÒ»¸ö²ÎÊý\y1½«È¡Öµ-4, ¶øÇÒ´ËÁ·Ï°½«¾ßÓÐÐÎʽ<p>
  26. <center>¼ÆËã-7Óë-4 ³Ë»ý.
  27. </center> <p>
  28. ÄúÈ»ºó¿ÉÒÔ¶¨ÒåÃûΪ<b>³Ë»ý</b>µÄÊýÖµ»Ø´ðµÄÕýÈ·½âÊÇ
  29. <tt>(\x1)*(\y1)</tt>. (×¢ÒâÕâÀïµÄÀ¨ºÅÊDZØÒªµÄ, ÒòΪÌæ´úÍêÈ«ÊÇ°´×ÖÃæÒâÒåÖ´ÐеÄ.)
  30. <a name=list></a>
  31. !if oefparm isitemof $special_parm
  32.  !changeto help/oefparm.phtml
  33. !endif
  34. <p>$table_header
  35. <caption>²ÎÊýµÄһЩ±ðµÄÀý×Ó
  36. !href cmd=help&special_parm=$special_parm,oefparm#list [ÍêÕû±í¸ñ]
  37. </caption>
  38. $table_hdtr<th>¶¨Òå<th>µÄЧ¹û
  39. $table_tr<td><tt>\real{x=random(-5..5)}</tt>
  40.     <td>\xÊÇ-5Óë5¼äµÄËæ»úʵÊý
  41. $table_tr<td><tt>\real{a=random(-5,-3,0.3,4)}</tt>
  42.     <td>\aÊÇÔÚ-5,-3,0.3,4Ö®ÖÐËæ»úÑ¡È¡µÄʵÊý
  43. $table_tr<td><tt>\complex{z=(1+2*i)^3}</tt>
  44.     <td>\zÊǸ´Êý(1+2*i)^3
  45. $table_tr<td><tt>\text{sign=random(+,-)}</tt>
  46.     <td>\signÊÇËæ»ú·ûºÅ: +»ò-
  47. $table_tr<td><tt>\integer{n=3*exp(\a)}</tt>
  48.     <td>\nÊÇÓë3*e<sup>\a</sup>×î½Ó½üµÄÕûÊý(ËüÒÀÀµÓÚ\aµÄÖµ)
  49. $table_tr<td><tt>\function{f=random<br> (x^2+1,sin(x),log(x))}</tt>
  50.     <td>\fÊÇËæ»úµÄº¯Êý: x^2+1, sin(x), »òlog(x)
  51. $table_tr<td><tt>\real{a=evalue(x^2+sin(y),x=3,y=4)}</tt>
  52.     <td>º¯Êýx^2+sin(y)¶Ôx=3, y=4¸³Öµ
  53. $table_tr<td><tt>\real{r=solve(x^3-3*x+1,x=0..1)}</tt>
  54.     <td>\rÊÇx^3-3x+1ÔÚ0Óë1Ö®¼äµÄµ¥¸ù
  55. $table_tr<td><tt>\function{h=simplify(x^5*y^3*x^2/y)}</tt>
  56.     <td>»¯¼ò±í´ïʽ: x<sup>7</sup>y<sup>2</sup>
  57. $table_tr<td><tt>\function{g=diff(sin(x)+cos(y),x)}</tt>
  58.     <td>\gÊÇsin(x)+cos(y)¹ØÓÚxµÄµ¼Êý
  59. $table_tr<td><tt>\function{F=int(x^2+3*x+1,x)}</tt>
  60.     <td>\FÊÇx^2+3*x+1µÄ²»¶¨»ý·Ö,<br>
  61.      ²»±£Ö¤³£ÊýÏîʼÖÕÏàͬ
  62. !!$table_tr<td><tt>\function{F=int(t^2+3*t+1,t=1..x)}
  63. !!    <td>\FÊÇx^2+3*x+1Âú×ãg(1)=0µÄÔ­º¯Êý
  64. $table_tr<td><tt>\real{a=int(t^2+3*t+1,t=0..1)}</tt>
  65.     <td>\aÊÇx^2+3*x+1´Ó0µ½1µÄÊýÖµ»ý·Ö
  66. $table_tr<td><tt>\text{f=htmlmath(2*x^2+3*x)}</tt>
  67.     <td>\f±íʾ³Éhtml¸ñʽ, Èç: 2x<sup>2</sup>+3x
  68. $table_tr<td><tt>\text{f=texmath(2*x^2+3*x)}</tt>
  69.     <td>\f±íʾ³ÉTeX¸ñʽ.
  70. $table_tr<td><tt>\integer{n=items(a,b,c,d,e,f)}</tt>
  71.     <td>\nÊDZí{a,b,c,d,e,f}ÖеÄÔªËظöÊý(ÕâÀïÊÇ6)    
  72. $table_tr<td><tt>\text{i=item(3,a,b,c,d,e,f)}</tt>
  73.     <td>\iÊDZí{a,b,c,d,e,f}ÖеÚ3¸öÔªËØ(ÕâÀïÊÇc).
  74. $table_tr<td><tt>\text{s=shuffle(6)}</tt>
  75.     <td>\sÊÇ6¸öÕûÊý1,2,...,6µÄ±í, ´ÎÐòÊÇËæ»úµÄ.
  76. $table_tr<td><tt>\text{s=shuffle(a,b,c,d,e)}</tt>
  77.     <td>\sÊÇ×Öĸ{a,b,c,d,e}, ´ÎÐòÊÇËæ»úµÄ.
  78. $table_tr<td><tt>\matrix{m=1,2,3<br>4,5,6<br>7,8,9}</tt>
  79.     <td>\mÊÇ3ÐÐ3ÁеľØÕó.
  80. $table_tr<td><tt>\text{t=asis(How do you do? item(1,2,3))}</tt>
  81.     <td>±£³Ö´®µÄԭʼÐÎʽ, ²»×ö±ä»», ²»¼ÓÌõ¼þ.
  82.  
  83. $table_end <p>
  84.  
  85. Ìõ¼þ²ÎÊý: Äú¿ÉÒÔд<p>
  86. <tt>\text{ttt=_condition?_def1}</tt>»ò<br>
  87. <tt>\text{ttt=_condition?_def1:_def2}</tt>
  88. <p>
  89. ÔÚÕâ¸öÇéÐÎ, µ±Ìõ¼þ<tt>_condition</tt>ΪÕæʱ, <tt>ttt</tt>È¡Öµ<tt>_def1</tt>.
  90. Èç¹ûÊǵڶþ¾ä, ·ñÔòÈ¡ <tt>_def2</tt>.
  91. !href target=wims_mhelp cmd=help&special_parm=if Ìõ¼þ±í
  92. <p>
  93. ¶¨ÒåÓë³ÂÊöµÄÏà¶ÔλÖÃÊǺÜÖØÒªµÄ:
  94. Èç¹û±äÁ¿¶¨ÒåÔÚ³ÂÊöÖ®ºó, ÄÇô½öµ±Óû§»Ø´ðÁËÎÊÌâºó²Å»á¸ø±äÁ¿¸³Öµ.
  95. ÔÚÕâÖÖÇéÐÎ, ¶¨ÒåÖпÉÒÔͨ¹ý<tt>\reply1</tt>,
  96. <tt>\reply2</tt>µÈÒýÓÃÓû§µÄ´ð°¸. ´Ë±äÁ¿¿ÉÓÃÓÚ½â´ðÖÐ, ÒÔ²âÊÔÌõ¼þ»ò·´À¡.
  97.  
  98.  
  99.  
  100.