( Mathematical software used: UDAV )
Tuesday, June 28, 2011
Monday, June 27, 2011
Sunday, June 26, 2011
Saturday, June 25, 2011
Bull Head Detective (牛頭偵探)
The original graph of fun(x,y) > 0.
( Mathematical software used: gnuplot )
Thursday, June 23, 2011
Tuesday, June 21, 2011
Monday, June 20, 2011
Sunday, June 19, 2011
Little Mouse (小老鼠)
1. The mouse in the original graph of the inequality fun(x,y) > 0 has no mouth.
2. Add a circle ( mouth(x,y) = 0 ) as the border line of the mouth.
Graph fun(x,y) * mouth(x,y) > 0.
3. Add the boundary curves of the inequality regions which will be colored black or white.
4. The red and green meshed regions will be colored black and white, respectively.
5. Color the inequality regions black or white.
6. The finished result.
( Softwares used: gnuplot, Graph )
Saturday, June 18, 2011
Friday, June 17, 2011
Thursday, June 16, 2011
Monday, June 13, 2011
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