Dropping Help

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Gói lệnh dropping.sty và dotseqn.sty Nguyễn Hữu Điển Khoa Toán - Cơ - Tin học ĐHKHTN Hà Nội, ĐHQGHN

1

Gói lệnh dropping.sty - Làm lớn từ đầu dòng

Gói lệnh lettrine.sty làm lớn một ký tự đầu dòng, gói lệnh này có thể làm lớn cả một từ đầu dòng http://tug.ctan.org/tex-archive/macros/latex/contrib/dropping/ Ta xét các ví dụ sau \dropping{3}{\itshape{} This} is an example of ...

This

is an example of dropping.sty. This is an example of dropping.sty. This is an example of dropping.sty. This is an example of dropping.sty. This is an example of dropping.sty.

\dropping[-6pt]{2}{\slshape\sffamily{} This} is an example of... is an example of dropping.sty This is an example of dropping.sty. This is an example of dropping.sty. This is an example of dropping.sty. This is an example of dropping.sty.

This

\dropping{2}{T}his is an example of....

T

his is an example of dropping.sty This is an example of dropping.sty. This is an example of dropping.sty. This is an example of dropping.sty. This is an example of dropping.sty.

2

Gói lệnh dotseqn.sty - Làm dấu chấm trong môi trường toán

Làm dấu chấm trong môi trường văn bản bằng \dotsfill trong môi trường toán có tại http://tug.ctan.org/tex-archive/macros/latex/contrib/dotseqn/ Ta xét ví dụ \begin{equation} f(x)=false \end{equation}

1

f (x) = f alse . . . . . . . . . . . . . . . . . . . . . . . . . . . \begin{equation} |x|= \begin{cases} x, & \text{for $x \geq 0$ }\\ -x, & \text{for $x < 0$} \end{cases} \end{equation} ( x, for x ≥ 0 |x| = . . . . . . . . . . . . . . . . . . . . . . . −x, for x < 0 \begin{equation} \left. \begin{array}{r} y=f(x) \\ z=g(y) \end{array} \right\} \qquad z=g\circ f(x) \end{equation}  y = f (x) z = g ◦ f (x) . . . . . . . . . . . . . . . . . . . . z = g(y)

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\begin{eqnarray} &&\nabla \times \overrightarrow{F} \notag \\ & =& \left| \begin{array}{ccc} \widehat{i} & \widehat{j} & \widehat{k} \\ \frac {\partial }{\partial x} & \frac {\partial }{\partial y} & \frac{\partial }{\partial z} \\ F_x & F_y & F_z \end{array} \right| \\ & =& \left( \frac {\partial F_z}{\partial y} - \frac {\partial F_y} {\partial z} \right) \widehat{i} + \left( \frac{\partial F_x} {\partial z} -\frac {\partial F_z} {\partial x} \right) \widehat{j} +\left( \frac {\partial F_y} {\partial x} - \frac {\partial F_x} {\partial y} \right) \widehat{k} \end{eqnarray}

=

=

− → ∇× F b b bi j k ∂ ∂ ∂ ∂x ∂y ∂z . . . . . . . . . . . . . . . . . . . . . . . F Fy Fz x       ∂Fy b ∂Fz b ∂Fx b ∂Fx ∂Fy ∂Fz k . . . . . . . − − − i+ j+ ∂y ∂z ∂z ∂x ∂x ∂y 2

(4) (5)

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