$\sin 1$
Thử vẽ hình bằng tikZ
Bắt đầu bởi leminhansp, 16-07-2015 - 21:42
#41
Đã gửi 20-08-2017 - 11:14
#42
Đã gửi 11-11-2017 - 17:08
*** Cannot compile formula: \begin{tikzpicture} \tkzDefPoint(1.44,3.26){A} \tkzDefPoint(0,0){B} \tkzDefPoint(5,0){C} \tkzInCenter(A,B,C) \tkzGetPoint{I} \tkzCircumCenter(A,B,C) \tkzGetPoint{O} \tkzInterCC(O,A)(A,I) \tkzGetPoints{M}{N} \tkzInterLL(M,N)(B,C) \tkzGetPoint{P} \tkzInterLC(A,I)(O,A) \tkzGetPoints{D}{A} \tkzInterLL(M,N)(A,B) \tkzGetPoint{L} \tkzInterLL(M,N)(A,C) \tkzGetPoint{K} \tkzInterLC(P,D)(D,I) \tkzGetPoints{E}{F} \tkzDrawPolygon(A,B,C) \tkzDrawCircle[color=yellow](O,A) \tkzDrawCircle[in,color=yellow](A,B,C) \tkzDrawCircle[color=yellow](A,I) \tkzDrawCircle[color=yellow](D,I) \tkzDrawSegments(P,N P,B A,D A,M A,N M,I N,I B,I C,I B,D C,D P,A P,F P,I) \tkzLabelPoints[below,color=blue](B,C,O,P,D,L,K,E,F) \tkzLabelPoints[color=blue](I) \tkzLabelPoints[above,color=blue](A,M,N) \tkzDrawPoints[fill=white,size=5pt](B,C,O,P,D,L,K,I,A,M,N) \end{tikzpicture} *** Error message: Error: Nothing to show, formula is empty
Bài viết đã được chỉnh sửa nội dung bởi Iceghost: 11-11-2017 - 18:09
#43
Đã gửi 01-12-2017 - 21:45
LÀm thế nào để vẽ vậy ạ
Bài viết đã được chỉnh sửa nội dung bởi Lao Hac: 01-12-2017 - 21:46
#44
Đã gửi 17-04-2018 - 00:28
x= $\frac{3}{4}$ và y= $\frac{-15}{4}$
Hoặc x= $\frac{-15\sqrt{31}}{31}$ và y= $\frac{\frac{27}{2}}{\sqrt{31}}$
WangtaX
#45
Đã gửi 17-04-2018 - 00:29
x= $\frac{3}{4}$ và y= $\frac{-15}{4}$
Hoặc x= $\frac{-15\sqrt{31}}{31}$ và y= $\frac{\frac{27}{2}}{\sqrt{31}}$
WangtaX
#47
Đã gửi 27-06-2018 - 20:15
$\documentclass[10pt]{article}
\usepackage{pgf,tikz,pgfplots}
\pgfplotsset{compat=1.15}
\usepackage{mathrsfs}
\usetikzlibrary{arrows}
\pagestyle{empty}
\begin{document}
\definecolor{zzttqq}{rgb}{0.6,0.2,0.}
\definecolor{uuuuuu}{rgb}{0.26666666666666666,0.26666666666666666,0.26666666666666666}
\definecolor{qqqqff}{rgb}{0.,0.,1.}
\definecolor{qqwuqq}{rgb}{0.,0.39215686274509803,0.}
\begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1.0cm,y=1.0cm]
\begin{axis}[
x=1.0cm,y=1.0cm,
axis lines=middle,
xmin=-4.239999999999999,
xmax=4.840000000000002,
ymin=-3.8200000000000047,
ymax=3.639999999999998,
xtick={-4.0,-3.0,...,4.0},
ytick={-3.0,-2.0,...,3.0},]
\clip(-4.24,-3.82) rectangle (4.84,3.64);
\draw[line width=0.8pt,color=zzttqq,fill=zzttqq,fill opacity=0.10000000149011612] {[smooth,samples=50,domain=2.9999999999999996:-2.0] plot(\x,{0.125*\x^(2.0)-\x-0.75})} -- (-2.,1.75) {[smooth,samples=50,domain=-2.0:2.9999999999999996] -- plot(\x,{0.25*\x^(3.0)-0.375*\x^(2.0)-2.25*\x+0.75})} -- (3.,-2.625) -- cycle;
\draw[line width=2.pt,color=qqwuqq,smooth,samples=100,domain=-4.239999999999999:4.840000000000002] plot(\x,{0.25*(\x)^(3.0)-0.375*(\x)^(2.0)-2.25*(\x)+0.75});
\draw[line width=2.pt,color=qqqqff,smooth,samples=100,domain=-4.239999999999999:4.840000000000002] plot(\x,{0.125*(\x)^(2.0)-(\x)-0.75});
\begin{scriptsize}
\draw[color=qqwuqq] (-2.9,-3.55) node {$f$};
\draw[color=qqqqff] (-2.86,3.51) node {$g$};
\draw [fill=uuuuuu] (-2.,1.75) circle (2.0pt);
\draw[color=uuuuuu] (-2.36,1.83) node {$A$};
\draw [fill=uuuuuu] (1.,-1.625) circle (2.0pt);
\draw[color=uuuuuu] (0.8,-1.81) node {$B$};
\draw [fill=uuuuuu] (3.,-2.625) circle (2.0pt);
\draw[color=uuuuuu] (3.02,-2.83) node {$C$};
\end{scriptsize}
\end{axis}
\end{tikzpicture}
\end{document}$
- Lao Hac yêu thích
#48
Đã gửi 01-10-2018 - 18:27
$\frac{{a\sqrt {210} }}{{45}}$
Bài viết đã được chỉnh sửa nội dung bởi HocLop: 01-10-2018 - 18:28
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