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# How to plot a family of 2-d logarithmic curves in 3-d

Posted 9 years ago
 I am trying to plot a family of logarithmic curves. Each curve is in the XY plane as Y=log (X). However there are multiple planes in Z value increments of 4. i.e.: Z=0, Y=Log(X) Z=4, Y=Log(X) Z=8, Y=Log(X) etc....... Similarly I need the mirror images of these curves plotted with the planes shifted on the Z-axis by 2 i.e. Z=2, Y=Log(-X) Z=6, Y=Log(-X) Z=10, Y=Log(-X) etc.......... I hand drew the curves with the most imporant curves solid and the other curves dotted. I was trying to find a program that would plot these curves and tried and failed with Desmos. This is the reason I am trying Mathematica. I would greatly appreciate it if anybody could help me or at least point me to a discussion thread which would help me draw this diagram. Thanks, Suresh
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Posted 9 years ago
 You might try experimenting with ParametricPlot3D. However, it draws axes on the edges of the bounding box. ParametricPlot3D[ { {x, 0, Log10[x]}, {x, 4, Log10[x]}, {x, 8, Log10[x]} }, {x, 0, 100}, BoxRatios -> {1, .5, .5}, Boxed -> False ] Posted 9 years ago
 Thank you. Suresh