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2d
comment Keeping a plot fixed as one parameter changes in Manipulate
That's a good question
2d
comment R^2 values for piecewise regression
Do you know the definition of $R^2$? There is an explicit formula to calculate it. What problem do you encounter in computing it?
2d
answered Keeping a plot fixed as one parameter changes in Manipulate
Jul
2
answered Multiplying three matrices does not give expected form
Jun
24
answered Graph: vary color/length vertextlabels based on frequency
Jun
24
answered Grid in manipulate
Jun
24
comment Graph: vary color/length vertextlabels based on frequency
What exactly is the problem with the existing code? I agree that it is a bit cumbersome, but it seems to work. Is the problem that it's too slow?
Jun
24
comment Problem with plotting a function that calls FindRoot
If you want people to invest some time and answer your question, it is advisable that you invest some time in making it clear and simple. Can you reproduce the problem with less variables/functions etc.? Can you make a minimal working example?
Jun
22
comment NDSolve returns asymmetric solution to a symmetric equation
Also, in general, if you KNOW about symmetries of the solution, you can solve for a smaller region (in this case, a half space). This is also more efficient numerically.
Jun
21
comment Smoothing a unit step function
I normally use Tanh
Jun
19
awarded  Enlightened
Jun
19
awarded  Nice Answer
Jun
18
awarded  Critic
Jun
18
comment How can I find all solutions of a complicated expression in a desired interval with Mathematica?
For me, FindRoot[eq[1, w], {w, 0}] works, and returns $$w=0.00222463$$ with some small imaginary value
Jun
18
revised Animating a 3D shape along path a (2D and 3D) parametric function curve [Update]
added 81 characters in body
Jun
18
answered Animating a 3D shape along path a (2D and 3D) parametric function curve [Update]
Jun
18
comment Put together two ListLinePlot with right alignment
@Joseph If the ImagePadding is too low, it might crop the FrameLabels and/or the FrameTicks. Use a higher value and you'll see them all.
Jun
18
answered Put together two ListLinePlot with right alignment
Jun
18
answered ListLogLinearPlot with customize Mesh mix up the markers in multiple curve
Jun
18
comment ListLogLinearPlot with customize Mesh mix up the markers in multiple curve
@robit weird. I'm using 10.0 on Ubuntu.