Invalid Equation Driven Curve
Invalid Equation Driven Curve
(OP)
SW2009
I created an equation driven curve as follows:
sin(x/2)
x1 = pi
x2 = -pi
delta y = -.25
This gives an invalid solution error.
I cannot create a tangency relationship to the end of the curve.
The curve sometimes plots outside the domain (which may be the root of the problem).
I created an equation driven curve as follows:
sin(x/2)
x1 = pi
x2 = -pi
delta y = -.25
This gives an invalid solution error.
I cannot create a tangency relationship to the end of the curve.
The curve sometimes plots outside the domain (which may be the root of the problem).
TOP
CSWP, BSSE
www.engtran.com www.niswug.org
"Node news is good news."






RE: Invalid Equation Driven Curve
RE: Invalid Equation Driven Curve
I wonder if they fixed this in 2010?
TOP
CSWP, BSSE
www.engtran.com www.niswug.org
"Node news is good news."
RE: Invalid Equation Driven Curve
xt = pi*t
yt = sin(pi*t)
t1 = -1
t2 = 1
RE: Invalid Equation Driven Curve
This is a relatively simple user interface design issue. In math there is no restriction on summing or integrating backwards. If the direction of the line was important this should work.
TOP
CSWP, BSSE
www.engtran.com www.niswug.org
"Node news is good news."
RE: Invalid Equation Driven Curve
Closed curves still cannot be created if they are closed loops.
For T1 T2 try using integers -1,1 for t and using (t*pi) in relations.
SolidWorks should ad UI to allow for editing equations using parameters similar to Equations dialog in 2009.
SW2010 does allow for Parametric curve by equation in 3D Sketches.
Michael
RE: Invalid Equation Driven Curve
TOP
CSWP, BSSE
www.engtran.com www.niswug.org
"Node news is good news."