Questions tagged [grapher]
Grapher is a 2D and 3D graphing application that comes bundled in Mac OS X
23
questions
1
vote
1answer
64 views
Can I find the source code for Grapher?
Grapher is an application that is installed on macOS by default. Can I find its source code, or is it proprietary?
2
votes
0answers
14 views
Cannot open graph .gcx file saved by Grapher
I'm facing an issue where I am unable to re-open any saved graphs that have a contour plot inside. For example, if you plot sin(x)*cos(y) and save it, you will not be able to reopen it in Grapher. It ...
1
vote
0answers
86 views
Grapher can not open saved file if axis numbering orientation is changed
When I try to open a saved Grapher file after doing the following with Grapher on my iMac, I get (presumably from the Grapher) the error message
The document "xxx" could not be opened
and can not ...
2
votes
1answer
54 views
How to restrict the domain of a function in Grapher?
In some math software, you can restrict the domain of a function by adding a command and the conditions after the function definition. Example, for Symbolab:
x^2, x >0
But this doesn't work in ...
1
vote
0answers
18 views
How to change the function plot colour in Grapher and make it persistent?
Here's y=x^2 plotted in blue:
I coloured the function by going to "Window > Show Inspector".
So all is nice and smooth, but when I change the function to, say, y=x^3, the plot turns black and has an ...
6
votes
1answer
564 views
Can Grapher plot periodic functions, other than trigonometric ones?
That is, something like:
f(x) = f(x+c)
Where c is an arbitrary constant. Examples:
How might I get grapher to chart this or select an appropriate tool to visualize these functions?
2
votes
1answer
104 views
macOS Grapher recursive function
Can grapher in macOS work with recursive functions???
If so how? There doesn't seem to be an obvious way and there are no answers to this online.
Thanks
2
votes
1answer
124 views
In Grapher, can functions be used to define parametric curves?
I'm drawing a curve using matrices in Grapher, for instance:
However, any time I try to use a function (i.e. a(x)) as a matrix element:
I get errors:
I've looked through the unofficial manual, but ...
1
vote
1answer
53 views
Symbolic integration in Grapher.app?
Several months ago I was using Grapher, something strange happened. Instead of going to Equation → Integrate, I clicked the symbols menu (with the summation notation, cube root, etc.) and clicked the ...
3
votes
1answer
374 views
How do I delete an equation in Grapher?
What it says in the title. There is no obvious way for me to remove an equation in Grapher. I used Grapher a few years ago and I probably knew how to then, but I cannot remember now.
1
vote
1answer
69 views
How to shade region between polar curves in Grapher?
I've graphed two polar curves and would like to shade the region inside one and outside the other. When I select the two equations and then select Integrate from the Equation menu, I get the error ...
3
votes
0answers
85 views
Grapher Having Problems After High Sierra Upgrade
My wife just upgraded to OS 10.12.6. She uses Grapher to make pictures for work. Now Grapher can no longer read her old .gcx files. She had a template she was using a lot. So, she had to remake ...
0
votes
1answer
182 views
Leave superscript mode in Mac Grapher
Mac Grapher has is a keyboard shortcut for entering superscripts: use the ^ key. For instance, you can type x^2 to get the expression x2.
Once I've entered superscript mode, how do I leave ...
4
votes
0answers
146 views
Parameters in Grapher
I am trying to plot a family of similar functions in built-in Grapher. I read that one way to do this is to write one formula for all functions to be plotted and then define the parameter by which the ...
3
votes
1answer
819 views
Can Grapher evaluate a function?
I just noticed that Grapher fails to evaluate a function at a constant. In the image, the graph of y = c should of course be a horizontal line. Is there a way to fix or work around it? This seems ...
0
votes
1answer
341 views
Mac Grapher Complex Error Function
I understand the the Grapher app in Mac OS X comes with erf and erfc, the error function and complementary error function. However, when I define
y = Re[erfc(-ix)],
the Grapher app just returns y(x) ...
1
vote
1answer
72 views
Is Grapher able to display values in the x-axis as (π/2), (π), (3π/2), (2π) rather than 1,57, 3,14, 4,71, 6,28 (and so on.. )?
As title says....
Is Grapher able to display values in the x-axis as
(π/2), (π), (3π/2), (2π) rather than 1,57, 3,14, 4,71, 6,28 ?(and so on.. ) ?
0
votes
1answer
1k views
Which font is used when I export formulas from Grapher?
You can export formulas from Grapher with drag&drop. Which font is used for this? I want to write some stuff in the same font in Keynote, but I cannot find the correct font...
4
votes
1answer
1k views
Vector dot product and scalar multiplication in Grapher.app
I'm trying to play around with vectors in Grapher.app, but I'm getting an error when I try to A: multiply two vectors (specified as a vertical matrix) together, and B: multiply a vector by a scalar ...
4
votes
1answer
174 views
How do I increase significant digits in Grapher?
How do I increase the significant digits in Grapher?
3
votes
2answers
6k views
How do I shade the region between two curves in Grapher?
How do I shade the region (or area) between two curves in Grapher?
I'm looking for a way to do this in a 2D graph. The only example which comes close to this is the "Evaluation and Integration" ...
6
votes
3answers
6k views
How Do You Label The 3D Axis in Grapher?
I want to label each axis with an x, y, and z. I know it's possible to label x and y axes in 2D view, but for some reason, I can't do it in 3D view.
Any suggestions?
3
votes
4answers
450 views
Plot drawing software
Could you please recommend me software for drawing plots? I need something like the Grapher application that is included with Mac OS X but with these functions:
Axis naming
Error bars
Advanced ...
