数学公式的英文读法
周四, 01/24/2008 - 08:56 — kambrian
Based on Dr. Murray Sherk‘s lecture handouts at USTC,2007.
| $x^2$ | x squared |
| $x^3$ | x cubed; x to the third; x to the power of three |
| $x^{7x+y}$ | x to the power of seven x plus y |
| $x_5$ | x 5; x sub 5; |
| $x_n$ | x sub n |
| $x_{n+1}$ | x sub i plus 1 |
| $x'$ | x prime |
| $x"$ | x double prime |
| $\overline{x}$ | x bar |
| $\hat{x}$ | x hat |
| $\overrightarrow x$ | vector x |
| $\sqrt{x}$ | root x |
| $\sqrt[3]{x}$ | cube root of x |
| $\sqrt[i]{x}$ | i'th root of x |
| $\log{x}$ | log x |
| $\log_2{x}$ | log base 2 of x |
| $\ln{x}$ | lawn x |
| $\dot{x}$ | derivative with respect to x |
| ${d x}\over {d y}$ | dee f by dee x |
| $\frac {\partial x}{\partial y}$ | partial derivative with respect to y |
| $\int f dx$ | integral over x |
| $\int f$ | indefinite integral |
| $\int_{a}^{b} f$ | definite integral |
| $\int_{0}^{\infty} f$ | integral from zero to infinity |
| $\sum k$ | sum |
| $\sum_{i=0}^n i$ | the sum from i=0 to n of ... |
| $\prod_{i=0}^n i$ | product |
| $\otimes$ | cross product |
| = | equals; is equal to (but NOT "equals to") |
| $\approx$ | is appoximately |
| $\cdot\cdot\cdot\over {\cdot\cdot\cdot}$ | over(indicates start of denominator); all over (indicates start of denominator when the numerator is complicated) |
| ( ) | 通常使用音节的停顿来表示这里有个括号，但为了精确，也可以读作bracket，或者"left bracket...right bracket" |
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此表也可以作为$Tex$
此表也可以作为$Tex$公式语法的参考，双击该公式即可看到它的$TEX$代码。