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Thanks for the insite....probably hold off, but it does look pretty awesome.
And again apologies for the confusion, should look at it from the readers POV..
Ken
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Trying to topup my PAYG Tesco Mobile online, worst user experience I have had in a long time, reckon I would get further just firing up Postman and doing the API calls myself, not worth the prison time 
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if you think topping up the PAYG is difficult just try being their accountant
You cant outrun the world, but there is no harm in getting a head start
Real stupidity beats artificial intelligence every time.
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I'm trying to get a 3D graph prepared.
I just wasted two days on this app, Graphing Calculator 3D[^] but the author decided on some sort of copy protection or cripple ware or whatever you want to call it. i.e., It makes an excellent graph of Z = f(x,y) but then you can't use that image; e.g., no JPEG, no PNG, in fact, you can't even do a screen print.
My motto is: Just say no to any and all such apps.
So I came across an app from Microsoft, Mathematics 4.0[^]
Before I go wasting another two days on a freeware app that isn't free, can anyone tell me if Microsoft Mathematics will...
-1- Generate a good looking graph, Z = f(x,y)
-2- Save that image in a file for use by other apps
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Why no screen print? Try Greenshot[^] awesome, free screen grabber. If the graph can be seen on the screen I don't understand why you can't get a screen print?
New version: WinHeist Version 2.1.0 Beta
Have you ever just looked at someone and knew the wheel was turning but the hamster was dead?
Trying to understand the behavior of some people is like trying to smell the color 9.
I'm not crazy, my reality is just different than yours!
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Have you tried window's snipping tool instead of a screen print? What's nice about that is that you don't have to use a tool like paint to cut down the amount of screen you want. Your "freeware" may not thought of that tool or may not be able to protect against it's working.
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KP Lee wrote: window's snipping tool instead of a screen print
YES !!! PAY DIRT !!!
You sir, are a real friend.
Thank you.
If you know of a similar app that will capture moving images with equal simplicity and detail, post it.
This is the way it's supposed to be: click, click, drag, drag, zip, zap, I have my image
Nice, I never knew this existed before your suggestion.
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CP seems to be having problems right now. I highlighted "Pay dirt" and tried to quote it even though a message screen wasn't showing. It chastised me for not putting text in my Subject line when I had neither that nor the Message screen. Before that, it wasn't coming up with anything other than I was logged into CP.
Now, I don't see your text, instead:
•You must supply some content.
•There were problems with your new message
Ya think?
Well, anyway, you're welcome. I found out about it earlier this year, my supervisor saw me swearing at Paint (don't remember why) and said, why don't you use the snipping tool? I didn't say anything, but first and foremost it helps to know about it. It's really handy with their exchange tool because you can paste the image into the text and you don't have additional file storage to take care of after sending the mail
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The windows snipping tool is plain sufficient for that !
~RaGE();
I think words like 'destiny' are a way of trying to find order where none exists. - Christian Graus
Entropy isn't what it used to.
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Have you looked at Octave[^] which is a freeware (GNU) Matlab clone?
A positive attitude may not solve every problem, but it will annoy enough people to be worth the effort.
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No, I have not. I will be in the next 5 minutes
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First glance, gorgeous.
Will it allow me to export a nice JPEG or PNG file ?
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'dunno 
A positive attitude may not solve every problem, but it will annoy enough people to be worth the effort.
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It will can copy the plot image to the clipboard.
A positive attitude may not solve every problem, but it will annoy enough people to be worth the effort.
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Second glance; uh-oh, learning curve, big time.
I want to plug in my Z = f(x,y) equation (which is a bit complex) press a button and see the graph ready for my use.
The equation has sums, differences, two levels of division operations, a max, a min, and an abs function vicariously scattered within those operations.
Can Octave take an equation and derive the 3D graph with the push of a button ?
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Not with a push of a button, but certainly with a small (or large-ish) m-file.
Post the equation somewhere. It can't be the worst equation in the world.
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Not quite "push of a button" but the mesh function is what you need.
You can try something like this:
function meshFunction(tx, ty, Z)
ltx = length(tx);
lty = length(ty);
tz = zeros(ltx, lty);
for xx = 1:ltx
for yy = 1:lty
tz(xx,yy) = feval(Z, tx(xx), ty(yy));
endfor
endfor
mesh(tx, ty, tz);
endfunction
with
tx = ty = linspace (-8, 8, 41)’;
and defining a function "hat":
function z=hat(x,y)
r = sqrt(x.^2 + y.^2) + eps;
z = sin(r) ./ r;
endfunction
then
meshFunction(tx,ty,"hat");
should give you a simple 3d plot.
the tx and ty are the values over the x and y ranges, respectively.
The 3rd parameter is the name (as a string) of the function of x and y that returns z.
A positive attitude may not solve every problem, but it will annoy enough people to be worth the effort.
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I remember a similar problem with a graphics app some years back (Xera? Xara? something like that).
It turned out that, because any graphics file produced by such an has to be updated frequently, and disabling such an integrated/complicated part of the app would not have nice results, it actually created the graphics file in their temp storage, but with an unknown file extension.
Take a poke around; your work might be there (rename any "suspect" files as jpg/gif/whatever, and open them with IrfanView, which will tell you if they're graphics files with the wrong extension).
I wanna be a eunuchs developer! Pass me a bread knife!
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Mark_Wallace wrote: (Xera? Xara? something like that).
Oh wow, I haven't thought about that app in years! And appearently it's still around: Xara 3D[^]
Jeremy Falcon
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Jeremy Falcon wrote: Oh wow, I haven't thought about that app in years! And appearently it's still around: Xara 3D[^]
That's the guy!
It was pretty damned cool, in the day.
[edit] Holy cr@p! It used to be pretty damned cool and easy to use, but they've made real improvements!
But they're not paying me for this, so I'll shut up.
I wanna be a eunuchs developer! Pass me a bread knife!
modified 24-Sep-14 18:55pm.
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Hi, I'm the author of Graphing Calculator 3D. Although exporting image to JPEG is disabled in free edition the screen capture should work (ie. using PrtScn button in keyboard). I'm not using any copy protection or cripple ware. I used screen capture myself many times without any issues. Have you tried PrtScn keyboard button in Windows?
I understand that not everyone can afford the paid software so I tried to leave as much of the main features available in the free edition as possible.
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runiter wrote: I used screen capture myself many times without any issues
You definitely should grab the professional edition 
~RaGE();
I think words like 'destiny' are a way of trying to find order where none exists. - Christian Graus
Entropy isn't what it used to.
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