System of equations in latex

haseebmahmud

Hi Folks,

I want to write a system of equations in latex. The equations is something similar as follows,

http://farm4.static.flickr.com/3081/...6ea6137f_o.jpg

Generally, its ok to write system of equations in latex. But i dont have any idea how can I place the dots like what you see in the picture attached.

Any help would be greatly appreciated.

Thanks in advance.

_HM

CompuChip

Something like this?
[tex]\begin{align*}
y_1 a_{11} & + & y_2 a_{21} & + & \cdots & + & e_1 & = & 0 \\
y_1 a_{12} & + & y_2 a_{22} & + & \cdots & + & e_2 & = & 0 \\
\vdots & & \vdots & & & & \vdots& & \\
y_1 a_{1M} & + & y_2 a_{2M} & + & \cdots & + & e_M & = & 0 \\
\end{align*}[/tex]

(click to see source)

haseebmahmud

gr8. thats exactly what i am looking for. i googled a lot but didnt find the exact. thanks again. anyway could you plz tell me how should i write vdots. I mean the spacing.

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CompuChip Blog Entries: 5 Recognitions: Homework Help Science Advisor	Something like this? [tex]\begin{align} y_1 a_{11} & + & y_2 a_{21} & + & \cdots & + & e_1 & = & 0 \\ y_1 a_{12} & + & y_2 a_{22} & + & \cdots & + & e_2 & = & 0 \\ \vdots & & \vdots & & & & \vdots& & \\ y_1 a_{1M} & + & y_2 a_{2M} & + & \cdots & + & e_M & = & 0 \\ \end{align}[/tex] (click to see source)

haseebmahmud	gr8. thats exactly what i am looking for. i googled a lot but didnt find the exact. thanks again. anyway could you plz tell me how should i write vdots. I mean the spacing.