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Awarded to Theo on 09 Oct 2019
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Awarded to Theo on 20 Jul 2017
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Why is scatter so slow for variable marker size?
I found something very strange and annoying. The following code generates 1000 points randomly in the plane, then moves them a b...
fast 5 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Is there a way to control distortion in Matlab's 3D viewer?
The background of this problem relates to my attempt to combine output from a ray tracer with Matlab's 3d plotters. When doing r...
mehr als 8 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Is there a way to obtain light intensity information when lighting a surface?
Suppose we create a very basic surface and single-faced lighting. peaks(10) light <</matlabcentral/answers/uploaded...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
mex unable to find an include file
I'm trying to use mex to compile a file, but it does not seem to be able to find an include file. I am using the test file yprim...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortThree ways to do the same integration leading to three different speeds: why?
This is a later 'answer' added to complement the above answers about the overhead in concatenating arrays and modularizing via f...
fast 9 Jahre vor | 0
Frage
Three ways to do the same integration leading to three different speeds: why?
Here is a code that does the trapezoid rule applied to a function on [0, 100] and where I use a random vector with 1000 entries....
mehr als 9 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
Why is Matlab not setting the RGB colors properly?
I'm trying to change the color settings for my Matlab (R2013A). For example, see this link <http://undocumentedmatlab.com/blog/c...
mehr als 9 Jahre vor | 0 Antworten | 1
0
AntwortenCreating vector plots of wireframe surfaces
Daniel Ennis, the creator of the wireframe package for Matlab, has indicated that this is related to a fundamental problem with ...
mehr als 9 Jahre vor | 0
| akzeptiert
Frage
Creating vector plots of wireframe surfaces
The situation is that you'd like to plot a surface mesh using many points, but only wish to display the mesh lines within an und...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Launching a different script than the one you're calling
In LaTeX, it's possible to have the typesetting system compile a root file even if you've called the compiler on a constituent f...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Returning Jacobian in bvp4c/bvp5c
One can call bvp4c using something like this options = bvpset('Stats', 'on', 'RelTol', 1e-4, 'AbsTol', 1e-8); sol = bvp4...
fast 10 Jahre vor | 0 Antworten | 1
0
AntwortenFrage
Detect of a plot is loglog
Quick question: Is there a way to detect whether the current figure is a loglog plot? (or regular plot or semilogx, semology)?
mehr als 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
A black and white filter for Matlab figures
Creating grayscale images from Matlab figures can be a big pain because you have to scale your colormaps and color limits just r...
etwa 11 Jahre vor | 0 Antworten | 2
0
AntwortenFrage
How to zoom in on figures within the dock? (2012b)
It is known that some people (including myself) are having trouble doing the basic image operations like zooming in or out when ...
etwa 11 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Cool examples of how Matlab is useful
I teach a little side course on using Matlab, and I'd like to show a little demo of how Matlab is used *in research and industry...
mehr als 11 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Create a figure -exactly- a certain size
Consider the following code: N = 2000; [X,Y] = meshgrid(linspace(0,2*pi,N),linspace(0,2*pi,N)); Z = sin(X+Y); p =...
mehr als 11 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Very weird bug(?) on latex interpreter
I include a code snippet which colors underneath a sine curve. There is a ylabel with the latex interpreter turned on. Changing ...
mehr als 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How do you stop fsolve?
Suppose I have the following call [x,fval] = fsolve(@myfun,x0) The function which I wish to solve is given by myfun,...
mehr als 12 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Why does EdgeLighting on patches not work?
I'm trying to create a line on a surface with the EdgeLighting property set to phong (for example). An example code would be ...
mehr als 12 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Lighting only certain surfaces
I'd like to create a lit sphere, to be placed on an unlit surface. For example, membrane; [x,y,z] = sphere(40); hold o...
mehr als 12 Jahre vor | 1 Antwort | 2
1
AntwortFrage
Line resolution and crispness
I notice that often when I draw lines in Matlab, the line is not very crisp. Here are two images where this cragginess is appare...
mehr als 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Saving tightly cropped PDFs in Matlab
I'm sure many can empathize with my question: I have a figure that needs to be saved in a pdf format (a) without axes or label...
mehr als 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Plotting contours with additional condition
Let f(z) be a complex function. Suppose I wanted to plot the contours where the imaginary part, imag(f(z)) = 0, but the real par...
fast 13 Jahre vor | 1 Antwort | 1
1
AntwortFrage
Text plots (plotting without figure in command line)
Is there a way (or a package) to plot figures in the Matlab command line without using the figures? For example, upon startup us...
fast 13 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
Additional output with fsolve
I'm asking what seems to be an identical question to <http://www.mathworks.com/matlabcentral/newsreader/view_thread/254710 this ...
fast 13 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
Area plot with gradient
Suppose that I have a function f(x). You can think of f(x) as strictly positive if it helps. Now, there is a secondary funct...
etwa 13 Jahre vor | 1 Antwort | 0
1
Antwort
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