algorithmic modeling for Rhino
hello
im trying to figure out how to draw an egg curve using the equation (x²+y²)²=ax³+(a-b)xy² taken from this website http://www16.ocn.ne.jp/~akiko-y/Egg/index_egg_E.html#1
expression with inputs a and b gave me no results as well as f2 ( function with two variables)
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The Expression you are using has both sides of the equation already. What you require is an expression where F={EXPRESSION} where F is the only output.
For your egg curve you need to find the y={Expression} to plug into an Fx3 component with x, a and b as inputs. x is a range of 0 to 4. when a = 4
See image below and attached definition.
Here's my modification to add a curve through all the points
Have a look at this post http://www.grasshopper3d.com/profiles/blogs/supperellipse which is based on this formula's
You will have to feed the inputs of the formula component otherwise it collects null values, and when only a and b are variables as inputs then you x and y are unknown. to solve this add two more inputs with the names x and y (fn comp).
Thank you for introducing our site about egg-shaped curve.
However, the address of our site moved as written below.
http://www.geocities.jp/nyjp07/index_egg_E.html
Therefor, please click the corrected address written above.
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