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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....

3 Answers

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Asked 2 years ago

Daniel Ennis, the creator of the wireframe package for Matlab, has indicated that this is related to a fundamental problem with ...

accepted

Answered 2 years ago

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...

1 Answers

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Asked 5 years ago

Is there a way (or a package) to plot figures in the Matlab command line without using the figures? For example, upon startup us...

I'm asking what seems to be an identical question to <http://www.mathworks.com/matlabcentral/newsreader/view_thread/254710 this ...

2 Answers

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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...

Asked 4 years ago

I'm trying to create a line on a surface with the EdgeLighting property set to phong (for example). An example code would be ...

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...

Asked 1 year ago

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...

Quick question: Is there a way to detect whether the current figure is a loglog plot? (or regular plot or semilogx, semology)?

Asked 3 years ago

Consider the following code: N = 2000; [X,Y] = meshgrid(linspace(0,2*pi,N),linspace(0,2*pi,N)); Z = sin(X+Y); p =...

I include a code snippet which colors underneath a sine curve. There is a ylabel with the latex interpreter turned on. Changing ...

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...

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...

The background of this problem relates to my attempt to combine output from a ray tracer with Matlab's 3d plotters. When doing r...

It is known that some people (including myself) are having trouble doing the basic image operations like zooming in or out when ...

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...

I'm trying to change the color settings for my Matlab (R2013A). For example, see this link <http://undocumentedmatlab.com/blog/c...

0 Answers

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...

One can call bvp4c using something like this options = bvpset('Stats', 'on', 'RelTol', 1e-4, 'AbsTol', 1e-8); sol = bvp4...

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...

Suppose we create a very basic surface and single-faced lighting. peaks(10) light <</matlabcentral/answers/uploaded...

This is a later 'answer' added to complement the above answers about the overhead in concatenating arrays and modularizing via f...

Answered 1 year ago

Creating grayscale images from Matlab figures can be a big pain because you have to scale your colormaps and color limits just r...

Suppose I have the following call [x,fval] = fsolve(@myfun,x0) The function which I wish to solve is given by myfun,...

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