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Many thanks for the suggestion and syntax example.

This will work, but cannot figure out how the same can be done via findloc:

program FindValuesGreaterThan2
implicit none
integer, parameter :: n = 10
real :: testArray ...

Hello

Is there a way to find the indices in array where a condition is satisfied and then extract those values. The equivalent in Matlab/Scilab:

values = x(find(x > 4.7)) where x is an array ...

Hi Kenneth

Managed to get the plot working, just followed you original syntax:

iw = winio@('%mn[Exit]&','Exit')
iw = winio@('%mn[Export]&',export_cb ...

Thanks for the suggestions Kenneth, the test code worked great.

Added the routines to my existing code and it works fine to compute the intersections, but having issues getting it plotting symbols ...

Thanks Kenneth! That worked fine.

Lester

Here is the code

program Riemann_Zeta

use clrwin
integer :: iw

integer, parameter :: k = 10001
integer, allocatable :: t(:)
real, allocatabl ...

Hello

Quick query. How do you set tight limits on an axis? Currently a plot goes from 0 to 105 on x-axis but I need it to be tight in the range 0-100. An example code would be useful.

Thanks

...

Just for fun this is what chatGPT came up with, posted as normal text as it kept getting truncated via [code]!

program FindCurveIntersections
implicit none
integer, parameter :: num_point ...

Hi Kenneth,

Thanks for explaining the correct syntax for image export, makes it a lot easier to understand to see example code.

Lester

Hello

I would be interested to see the structure of your plate flexure code as it will have applications within geology too! As a structural geologist we often apply plate flexure studies to crusta ...

Hi Kenneth,

Thanks for the pointer, not sure how to get the syntax working. Just adding export_image@(Riemann1.jpg') just makes a blank image file?

iw = winio@('%mn[Exit]&',' ...

Hi John

Thanks for the ideas to test. Yes the curves are defined as arrays of x,y values and not functions.

I would think it logical to look for a small region to test an approximation, where a ...

Hello,

Is there a way to calculate the intersections of two different curves given the data of two arrays, (x1, y1) and (x2, y2)?

Thanks
Lester

Many thanks Kenneth! That worked fine with the Clearwin usage. Will have to study that more.

Haven't had a thorough look yet, but can the plot be easily saved or exported to an image file?

Thank ...