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solve('arccos£¨1-x^2/2738£©/(2*pi£©*3.1415926*37^2-£¨£¨74+x£©/2*(74-x)/2*x^2/4£©^(1/2)=430.1','x')

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shaodongyuan

½ð³æ (ÕýʽдÊÖ)

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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2018-09-03 22:11:14
ÒýÓûØÌû:
3Â¥: Originally posted by shaodongyuan at 2018-09-02 22:39:25
help  solve    help   arccos   Èý½Ç·´º¯ÊýдµÃ¶ÔÂð¡£   ³ËºÅÇ°ÃæÓе㣬б¸ÜÇ°ÃæÒ²Óе㡣
...

pi   mataab  ¶Á²»³öÀ´

·¢×ÔСľ³æAndroid¿Í»§¶Ë
4Â¥2018-09-02 22:40:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

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гæ (³õÈëÎÄ̳)

solve('arccos£¨1-x^2/2738£©/(2*pi£©*3.1415926*37^2-£¨£¨74+x£©/2*(74-x)/2*x^2/4£©^(1/2)=430.1','x')
¾¯¸æ: Support of strings that are not valid variable names or define a number will be removed in a future release. To create symbolic
expressions, first create symbolic variables and then use operations on them.?
> In sym>convertExpression (line 1536)
??In sym>convertChar (line 1441)
??In sym>tomupad (line 1198)
??In sym (line 177)
??In solve>getEqns (line 405)
??In solve (line 225)?
´íÎóʹÓà symengine
Character '£¨' is invalid.

³ö´í sym>convertExpression (line 1543)
s = mupadmex({x});

³ö´í sym>convertChar (line 1441)
? ? s = convertExpression(x);

³ö´í sym>tomupad (line 1198)
? ?? ???S = convertChar(x);

³ö´í sym (line 177)
? ?? ?? ?? ?? ? S.s = tomupad(x);

³ö´í solve>getEqns (line 405)
? ?? ???a = sym(a);

³ö´í solve (line 225)
[eqns,vars,options] = getEqns(varargin{:});

·¢×ÔСľ³æAndroid¿Í»§¶Ë
2Â¥2018-09-02 21:48:39
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shaodongyuan

½ð³æ (ÕýʽдÊÖ)

¡ï
jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2018-09-03 22:11:03
ÒýÓûØÌû:
2Â¥: Originally posted by ÍæÃüѧϰ at 2018-09-02 21:48:39
solve('arccos£¨1-x^2/2738£©/(2*pi£©*3.1415926*37^2-£¨£¨74+x£©/2*(74-x)/2*x^2/4£©^(1/2)=430.1','x')
¾¯¸æ: Support of strings that are not valid variable names or define a number will be removed in a f ...

help  solve    help   arccos   Èý½Ç·´º¯ÊýдµÃ¶ÔÂð¡£   ³ËºÅÇ°ÃæÓе㣬б¸ÜÇ°ÃæÒ²Óе㡣

·¢×ÔСľ³æAndroid¿Í»§¶Ë
3Â¥2018-09-02 22:39:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÍæÃüѧϰ

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
3Â¥: Originally posted by shaodongyuan at 2018-09-02 22:39:25
help  solve    help   arccos   Èý½Ç·´º¯ÊýдµÃ¶ÔÂð¡£   ³ËºÅÇ°ÃæÓе㣬б¸ÜÇ°ÃæÒ²Óе㡣
...

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