# (parametric) plot advice

**URL:** <https://community.wolfram.com/t/parametric-plot-advice/4337>\
**Category:** Questions\
**Tags:** graphics-and-visualization\
**Created:** [December 16, 2014, 2:17pm UTC](https://community.wolfram.com/t/parametric-plot-advice/4337 "2014-12-16T14:17:33Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bpreeti2002](https://avatars.discourse-cdn.com/v4/letter/b/5f9b8f/32.png) [@bpreeti2002](https://community.wolfram.com/u/bpreeti2002)\
**Post date:** [December 16, 2014, 2:17pm UTC](https://community.wolfram.com/t/parametric-plot-advice/4337/1 "2014-12-16T14:17:33Z")

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Hi,

It would be great to have some help here..

I wanted to make a plot

where,

```
L (r_)= (Np Pn (-1 + *r*))

N(r_) = (Np Pn/ (1-*r*))

```

L(r\_) on the y axis and N(r\_) on the x axis…

Thanks in advance!

---

<div class="post-metadata">

**Author:** ![seanc](https://yyz1.discourse-cdn.com/wolfram/user_avatar/community.wolfram.com/seanc/32/34005_2.png) [@seanc](https://community.wolfram.com/u/seanc)\
**Post date:** [December 16, 2014, 4:01pm UTC](https://community.wolfram.com/t/parametric-plot-advice/4337/2 "2014-12-16T16:01:48Z")

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The first step would be to write your functions in the Wolfram Language’s syntax. For example, I think your first function is:

```
L [r_] := (nP pN (-1 + r))

```

Is that correct? What are the values for nP and pN? You will need these to plot the function.

When you say that you want to plot the functions on x and y axis separately, do you meant that you want to do a parameteric plot?

[http://reference.wolfram.com/language/ref/ParametricPlot.html](http://reference.wolfram.com/language/ref/ParametricPlot.html)

So it would be something like

```
ParametricPlot[{N[t],L[r]}, {r,0,1}]

```

---

<div class="post-metadata">

**Author:** ![bpreeti2002](https://avatars.discourse-cdn.com/v4/letter/b/5f9b8f/32.png) [@bpreeti2002](https://community.wolfram.com/u/bpreeti2002)\
**Post date:** [December 19, 2014, 5:11pm UTC](https://community.wolfram.com/t/parametric-plot-advice/4337/3 "2014-12-19T17:11:56Z")

</div>

thanks! it helped! 🙂