数学中国

用户名  找回密码
 注册
帖子
热搜: 活动 交友 discuz
收藏本版 (78) |订阅

基础数学 今日: 4 |主题: 32742|排名: 4 

版主: luyuanhong
作者 回复/查看 最后发表
预览 [原创]是否存在无穷大数?其实是“光身皇帝是否光身?”的问题。 hxl268 2009-11-28 11:16 12885 kanyikan 2009-11-28 14:05
预览 [答网友问] 最大的自然数是 奇数 尚九天 2009-11-23 05:25 83817 hxl268 2009-11-28 11:22
预览 [原创]极显然:自然数集增一元就不能还是可数集了  ...23456 hxl268 2009-8-7 18:51 5715740 hxl268 2009-11-28 10:24
预览 用拉普拉斯变换法求解偏导数微分方程 attachment terran 2009-11-28 10:22 03262 terran 2009-11-28 10:22
预览 [求助]请鲁元鸿帮忙回忆一下必然事件发生的条件 attachment  ...2 重生888 2009-11-20 10:06 147062 重生888 2009-11-28 08:15
预览 [求助]由于对拐点概念不太理解,特求助。 attachment sljie 2009-11-10 21:24 53767 luckylucky 2009-11-27 22:51
预览 [转帖]数理王国的挑战者号——记工人数学研究员孙嘉林 jingl 2009-11-26 18:44 63849 尚九天 2009-11-27 20:48
预览 [转帖]神秘数字6174 jingl 2009-11-27 20:14 13220 尚九天 2009-11-27 20:41
预览 [求助]假设矩阵A,B等价,那么构成矩阵A,B的行(列)向量组等价吗? gaojingang 2009-11-27 13:15 13782 luyuanhong 2009-11-27 17:05
预览 [求助]级数问题 attachment gaojingang 2009-11-27 13:18 24055 elimqiu 2009-11-27 15:09
预览 [求助] attachment tian27546 2009-11-22 11:44 33379 tian27546 2009-11-27 15:02
预览 老子是康托勒贝格的祖师爷  ...2 zhaolu48 2009-11-14 11:16 126839 hxl268 2009-11-27 13:22
预览 [求助]在有限区间上f(x)无界,其导函数f‘(x)一定无界吗? gaojingang 2009-11-25 12:26 44664 gaojingang 2009-11-27 12:41
预览 [求助]两个问题(前两个问题视作一个) FARSPACEMAN 2009-11-24 14:53 14053 FARSPACEMAN 2009-11-26 19:26
预览 [讨论]请教一个打靶中的问题 attachment xiaochouyu 2009-11-26 12:40 23664 luyuanhong 2009-11-26 17:55
预览 [讨论]关于傅里叶展开式? attachment 请教数学达人 2009-11-24 13:47 53698 请教数学达人 2009-11-26 17:38
预览 [求助]求解直线方程 nnzgyh01 2009-11-26 12:43 13603 elimqiu 2009-11-26 13:26
预览 [闲扯] 因鸡而生蛋,由素而知合 尚九天 2009-11-24 20:12 63331 尚九天 2009-11-26 03:04
预览 [闲扯] 无穷多 尚九天 2009-11-25 20:23 03295 尚九天 2009-11-25 20:23
预览 [私告]“共轭比”概念最早在数十年前提出 denglongshan 2009-11-23 21:40 13389 denglongshan 2009-11-25 19:16
下一页 »

快速发帖

还可输入 80 个字符
您需要登录后才可以发帖 登录 | 注册

本版积分规则

LaTEX棰勮杈撳叆銆€鏁欑▼銆€绗﹀彿搴�銆€鍔犺鍐呮爣绛�銆€鍔犺闂存爣绛�銆€
瀵瑰簲鐨� LaTEX 鏁堟灉锛�

Archiver|手机版|小黑屋|数学中国 ( 京ICP备05040119号 )

GMT+8, 2025-7-16 12:31 , Processed in 0.674680 second(s), 14 queries .

Powered by Discuz! X3.4

Copyright © 2001-2020, Tencent Cloud.

返回顶部 返回版块
\frac{\square}{\square}\sqrt{\square}\square_{\baguet}^{\baguet}\overarc{\square}\ \dot{\baguet}\left(\square\right)\binom{\square}{\square}\begin{cases}\square\\\square\end{cases}\ \begin{bmatrix}\square&\square\\\square&\square\end{bmatrix}\to\Rightarrow\mapsto\alpha\ \theta\ \pi\times\div\pm\because\angle\ \infty
\frac{\square}{\square}\sqrt{\square}\sqrt[\baguet]{\square}\square_{\baguet}\square^{\baguet}\square_{\baguet}^{\baguet}\sum_{\baguet}^{\baguet}\prod_{\baguet}^{\baguet}\coprod_{\baguet}^{\baguet}\int_{\baguet}^{\baguet}\lim_{\baguet}\lim_{\baguet}^{\baguet}\bigcup_{\baguet}^{\baguet}\bigcap_{\baguet}^{\baguet}\bigwedge_{\baguet}^{\baguet}\bigvee_{\baguet}^{\baguet}
\underline{\square}\overline{\square}\overrightarrow{\square}\overleftarrow{\square}\overleftrightarrow{\square}\underrightarrow{\square}\underleftarrow{\square}\underleftrightarrow{\square}\dot{\baguet}\hat{\baguet}\vec{\baguet}\tilde{\baguet}
\left(\square\right)\left[\square\right]\left\{\square\right\}\left|\square\right|\left\langle\square\right\rangle\left\lVert\square\right\rVert\left\lfloor\square\right\rfloor\left\lceil\square\right\rceil\binom{\square}{\square}\boxed{\square}
\begin{cases}\square\\\square\end{cases}\begin{matrix}\square&\square\\\square&\square\end{matrix}\begin{pmatrix}\square&\square\\\square&\square\end{pmatrix}\begin{bmatrix}\square&\square\\\square&\square\end{bmatrix}\begin{Bmatrix}\square&\square\\\square&\square\end{Bmatrix}\begin{vmatrix}\square&\square\\\square&\square\end{vmatrix}\begin{Vmatrix}\square&\square\\\square&\square\end{Vmatrix}\begin{array}{l|l}\square&\square\\\hline\square&\square\end{array}
\to\gets\leftrightarrow\nearrow\searrow\downarrow\uparrow\updownarrow\swarrow\nwarrow\Leftarrow\Rightarrow\Leftrightarrow\rightharpoonup\rightharpoondown\impliedby\implies\Longleftrightarrow\leftharpoonup\leftharpoondown\longleftarrow\longrightarrow\longleftrightarrow\Uparrow\Downarrow\Updownarrow\hookleftarrow\hookrightarrow\mapsto
\alpha\beta\gamma\Gamma\delta\Delta\epsilon\varepsilon\zeta\eta\theta\Theta\iota\kappa\varkappa\lambda\Lambda\mu\nu\xi\Xi\pi\Pi\varpi\rho\varrho\sigma\Sigma\tau\upsilon\Upsilon\phi\Phi\varphi\chi\psi\Psi\omega\Omega\digamma\vartheta\varsigma\mathbb{C}\mathbb{H}\mathbb{N}\mathbb{P}\mathbb{Q}\mathbb{R}\mathbb{Z}\Re\Im\aleph\partial\nabla
\times\cdot\ast\div\pm\mp\circ\backslash\oplus\ominus\otimes\odot\bullet\varnothing\neq\equiv\not\equiv\sim\approx\simeq\cong\geq\leq\ll\gg\succ\prec\in\ni\cup\cap\subset\supset\not\subset\not\supset\notin\not\ni\subseteq\supseteq\nsubseteq\nsupseteq\sqsubset\sqsupset\sqsubseteq\sqsupseteq\sqcap\sqcup\wedge\vee\neg\forall\exists\nexists\uplus\bigsqcup\bigodot\bigotimes\bigoplus\biguplus\bigcap\bigcup\bigvee\bigwedge
\because\therefore\angle\parallel\perp\top\nparallel\measuredangle\sphericalangle\diamond\diamondsuit\doteq\propto\infty\bowtie\square\smile\frown\bigtriangledown\triangle\triangleleft\triangleright\bigcirc \wr\amalg\models\preceq\mid\nmid\vdash\dashv\nless\ngtr\ldots\cdots\vdots\ddots\surd\ell\flat\sharp\natural\wp\clubsuit\heartsuit\spadesuit\oint\lfloor\rfloor\lceil\rceil\lbrace\rbrace\lbrack\rbrack\vert\hbar\aleph\dagger\ddagger

MathQuill杈撳叆:

Latex浠g爜杈撳叆:銆€

銆€