r*******y
发帖数: 1081 | 1 for example: a*x^2 + b*xy + c*y^2 + d * x + e * y + f = 0
mathematica, matlab or mapple? which command to use?
Thanks. | c*******d
发帖数: 255 | 2 mathematica里用contourplot应该可以
【在 r*******y 的大作中提到】
: for example: a*x^2 + b*xy + c*y^2 + d * x + e * y + f = 0
: mathematica, matlab or mapple? which command to use?
: Thanks.
| r*******y
发帖数: 1081 | 3 thanks a lot
【在 c*******d 的大作中提到】
: mathematica里用contourplot应该可以
| r*******y
发帖数: 1081 | 4 an other question:
After I graph this ellipse, I want to graph serval points on
this ellipse, for example (1.02, 0.39), (0.95, 0.32), (0.87, 0.27)
using * to denote these points. How can I do this job in mathematica.
In matlab, we can use "hold" to plot on the same figure frame. But
I have no idea in mathematica.
Thanks.
【在 c*******d 的大作中提到】
: mathematica里用contourplot应该可以
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