用maple如何求积分 如何用maple求定积分？
maple\u4e2d\u79ef\u5206\u7684\u8ba1\u7b97\u8fc7\u7a0b\u600e\u4e48\u663e\u793a\u51fa\u6765\u5fae\u5206\u4e0e\u79ef\u5206\u662f\u9ad8\u7b49\u4ee3\u6570\u4e2d\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u5360\u4e86\u9ad8\u7b49\u6570\u5b66\u4e2d\u7684\u534a\u58c1\u6c5f\u5c71\u3002\u800c\u5fae\u5206\u524d\u9762\u5df2\u7ecf\u6709\u6240\u4ecb\u7ecd\uff0c\u4e0b\u9762\u4ecb\u7ecd\u5229\u7528Maple\u8ba1\u7b97\u79ef\u5206\u7684\u4e00\u4e9b\u57fa\u672c\u64cd\u4f5c\u3002
maple\u4e0b\u8f7d\u5730\u5740
Maple\u53ef\u4ee5\u5b8c\u6210\u7b26\u53f7\u548c\u6570\u503c\u79ef\u5206\u3002
\u793a\u4f8b\uff1a\u6c42x sin(ax )\u5173\u4e8ex\u7684\u4e0d\u5b9a\u79ef\u5206\uff1a
1\uff09\u4ece\u8868\u8fbe\u5f0f\u9762\u677f\uff0c\u70b9\u51fb\u4e0d\u5b9a\u79ef\u5206\u9879
\u3002
2\uff09\u5b9a\u4e49\u88ab\u79ef\u51fd\u6570\u548c\u79ef\u5206\u53d8\u91cf\uff0c\u7136\u540e\u6c42\u503c\u3002
\u63d0\u9192\uff1a\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u7b26\u53f7\u8865\u5168\u529f\u80fd\uff08ESC\u952e\uff09\u8f93\u5165\u7b26\u53f7\uff0c\u5305\u62ec\u79ef\u5206\u7b26\u53f7\u548cd\u3002
\u793a\u4f8b\uff1a\u6c42e-atln(t)\u5728\u533a\u95f4\u4e0a\uff080\uff0c\u221e\uff09\u4e0a\u7684\u5b9a\u79ef\u5206\uff1a
\u6216\u8005\u4f7f\u7528\u79ef\u5206\u547d\u4ee4 int\uff1a
Maple\u5c06\u53c2\u6570a\u89e3\u6790\u4e3a\u590d\u6570\u3002\u8be5\u89c4\u5219\u7684\u8be6\u7ec6\u63cf\u8ff0\u89c1Assumptions on Variables\uff0c\u7528\u6237\u53ef\u4ee5\u4f7f\u7528assuming\u547d\u4ee4\u5047\u8bbea \u4e3a\u4e00\u4e2a\u6b63\u5b9e\u6570\u3002
\u4ee5\u4e0a\u5185\u5bb9\u5411\u5927\u5bb6\u4ecb\u7ecd\u4e86\u8ba1\u7b97\u79ef\u5206\u7684\u57fa\u672c\u64cd\u4f5c\u8fc7\u7a0b\uff0c\u7531\u4e8e\u8fd9\u662fMaple\u57fa\u672c\u51fd\u6570\u529f\u80fd\u4e2d\u5e38\u89c1\u7684\u4e00\u79cd\uff0c\u4e5f\u662fMaple\u9876\u5c42\u547d\u4ee4\u7684\u4e00\u79cd\uff0c\u6240\u4ee5\u9700\u8981\u5927\u5bb6\u719f\u6089\u8fd9\u4e2a\u64cd\u4f5c\uff0c\u624d\u80fd\u5728\u4ee5\u540e\u8fdb\u884c\u590d\u6742\u7684\u5de5\u7a0b\u8ba1\u7b97\u65f6\u987a\u5229\u8fdb\u884c
\u4e00\u5143\u79ef\u5206\uff1a
int(f(x),x=a..b);
\u91cd\u79ef\u5206\uff1a
with(student);
Doubleint(f(x,y),y=f(x),x=a..b);
\u6b64\u5916\u8fd8\u6709\u4e09\u91cd\u79ef\u5206\uff0c\u590d\u51fd\u6570\u79ef\u5206\uff0c\u8fd9\u4e9b\u53ef\u4ee5\u7528\u79ef\u5206\u5d4c\u5957\u4f7f\u7528\uff0c\u56e0\u4e3a\u6bd4\u8f83\u9ebb\u70e6\u5c31\u6ca1\u6709\u5199\u3002
exp1 := a*x^2 + b*x + c;
求表达式关于x的不定积分：
int( exp1 , x );
求表达式关于x的定积分，x取值 0到1
int( exp1 , x = 0..1 );
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