# Question:How to make a list of value pairs from one list with 2 variables and one list with 1 variable? (and pointplot)

## Question:How to make a list of value pairs from one list with 2 variables and one list with 1 variable? (and pointplot)

Maple 2020

Hello again,

I have two functions f and h, that I want to show by pointplot as a diagramm (with a range from -10 to +10).

I know how to do it with "normal" functions, but what if for example the function f has 2 variables but h only has one?

f:= (sin(sqrt(x^2+y^2)))/(sqrt(x^2+y^2));

h:= f(x, 1.8);

These are the two functions.

So far I've made a list for each function for x  = -10 to x = 10

ListF:= [seq(f, x = -10..10, 1)];

ListH:= [seq(h, x = -10..10, 1)];

But I don't know how to go from there. Can I already use pointplot to connect the two lists? Or do I have to connect these two lists as one (which is what I originally planned) But I don't know how to do that, without always copying the results of one and then the other and putting both in a new list.

e.g Both lists show the values for the function for x = -10..10. If the first value of ListF is 5 and the first value of ListH is 1, then connecting both in a new list ListFH: = [[5,1]...], followed by the 9 other values.)

(5 and 1 aren't the actual results, I just used them for simplification.)

(Even if this isn't the right beginning for the solution of my original problem, I still want to know if it's even possible to take all values of one list of a function 'a' and all values of a second list of function 'b' and put them in a new list 'c' with c: = [a,b] without manually putting them together. So that the first value of list a is paired with the first of list b, the second of list a with the second of list b, etc... I hope you know what I mean)

In regards to my original problem I thought I could do something like this:

pointplot( [ [ListF], [ListH] ]);

I'm grateful for every answer :)

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