http://www.codecogs.com/latex/eqneditor.php
provides a easy way which is worth trying.
I put the code
W_t= \Delta Y_t = (Y_t - Y_{t-1})=[\sum _{j=0}^{m-1} y_{t-j} - \sum _{j=0}^{m-1} y_{t-1-j}]
in the yellow box and copy the code in the bottom box
<a href="http://www.codecogs.com/eqnedit.php?latex=\fn_phv&space;\large&space;W_t=&space;\Delta&space;Y_t&space;=&space;(Y_t&space;-&space;Y_{t-1})=[\sum&space;_{j=0}^{m-1}&space;y_{t-j}&space;-&space;\sum&space;_{j=0}^{m-1}&space;y_{t-1-j}]" target="_blank"><img src="http://latex.codecogs.com/svg.latex?\fn_phv&space;\large&space;W_t=&space;\Delta&space;Y_t&space;=&space;(Y_t&space;-&space;Y_{t-1})=[\sum&space;_{j=0}^{m-1}&space;y_{t-j}&space;-&space;\sum&space;_{j=0}^{m-1}&space;y_{t-1-j}]" title="\large W_t= \Delta Y_t = (Y_t - Y_{t-1})=[\sum _{j=0}^{m-1} y_{t-j} - \sum _{j=0}^{m-1} y_{t-1-j}]" /></a>
and paste into my blog on blogspot under "html" mode.
- The formula is rendered very well.
The good thing of this way is when I select the picture, copy and paste, I got the exact the W_t= \Delta Y_t = (Y_t - Y_{t-1})=[\sum _{j=0}^{m-1} y_{t-j} - \sum _{j=0}^{m-1} y_{t-1-j}] in my word or any text editor.
It is cool.
It also support the option of format, font, and size. I like svg, verdana, and 12 pt.
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- Another way is insert the picture link into the blog.
Copy and paste this just gives me a picture.
This link from the original page
"Click here to Download Image (GIF)"
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- The third way is copying and pasting the picture on the original page directly.
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- The four way is to download the image and upload to my blog.
It seems that they are different in quality since it depends what size I choose in the blog. It can be changed by me when I edit this blog. After I choose the original size, the quality seems the same.
