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Narcissistic number ?
Inspired by Problem 2056 created by Ted. In recreational number theory, a narcissistic number is a number that is the sum of ...

más de 12 años hace

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Importing excel spreadsheet into Simulink (configuration parameters pane)
Could you just import it into MATLAB (completely outside of Simulink) using the Import tool or importdata or xlsread and then wr...

más de 12 años hace | 0

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Plotting data from a mat file that is a struct
S = load('filename.mat'); plot(S.times,S.counts); Doc: <http://www.mathworks.com/help/releases/R2013b/matlab/structur...

más de 12 años hace | 1

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Experience and Tips on colormap for waterfall plots?
<http://www.mathworks.com/matlabcentral/fileexchange/28982-perceptually-improved-colormaps>

más de 12 años hace | 0

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Sort columns by maximum value?
x = [5 -2 3 -10 6 2 0 0 1] [~,idx] = sort(max(x)); y = x(:,idx)

más de 12 años hace | 0

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remove nans fast
There are several ways to locate and remove nans in a matrix, and return an 1d row vector. In this problem the challenge is ...

más de 12 años hace

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Error while using size(A,1)?
You have a variable names |size|. Rename this variable and clear it.

más de 12 años hace | 0

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skip an unit test
To filter tests, you use an "assumable" qualification in your Test Method. <http://www.mathworks.com/help/releases/R2013b/mat...

más de 12 años hace | 2

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Is it possible to model discrete populations using ode45?
It sounds like you will need to include an event that happens when Y <= 1. <http://www.mathworks.com/help/releases/R2013b/mat...

más de 12 años hace | 0

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How can I publish all the sub-functions, sub-sub-functions, etc. into a single html/pdf file?
<http://www.mathworks.com/matlabcentral/fileexchange/33476-publish-dependent-and-called-functions> May help.

más de 12 años hace | 0

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randomly generated non-intersecting ellipses
<http://www.mathworks.com/matlabcentral/fileexchange/7844-geom2d>

más de 12 años hace | 0

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How do I prevent struct2handle from failing after a call to clear classes?
Any reason to avoid |hgload| and |hgsave|? figHndle = figure(); plot(1:10); hgsave(figHndle,'FigureStruct.mat'); cl...

más de 12 años hace | 0

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Why isn't the editor remembering my tile layout
I'm able to reproduce this in 13b. If your organization is subscribed to SMS you can download the 14a prerelease which you migh...

más de 12 años hace | 0

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fminunc on multiple variables
Objective functions expect all of the variables being optimized to be in "x" myfun(x,a,b,c) Where x is now a 1x3 vector....

más de 12 años hace | 0

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Hidden gems in Matlab's toolboxes
Jan, if you really like |uisetcolor|, another one which I just learned about is |inspect|: figure; h = uicontrol('Style','...

más de 12 años hace | 1

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How to troubleshoot Out of memory Error for this simple case ?
<http://www.mathworks.com/help/releases/R2013b/matlab/matlab_prog/resolving-out-of-memory-errors.html>

más de 12 años hace | 0

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scrolling down in command window
Are you looking for the |home| command? >> home This will look like clc but will not clear out the command window.

más de 12 años hace | 2

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Is there an elegant way to do a "flip-flop" sort from the middle or near the middle?
n = 7; v = [n:-2:1, 2:2:n]

más de 12 años hace | 0

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creating a diagonal matrix?
diag(q(1,2,3)) And for more info: doc diag

más de 12 años hace | 0

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Why doesn't it work, mixing arrays with non-array cumulative in a loop
_mult1,culmG,alpha_ are not defined as variables or functions. Thus you need to define them after the |clear all|. pwidth=...

más de 12 años hace | 0

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How to assign probability to a matrix element?
x = rand(m,n) > p Just compare a random value to p.

más de 12 años hace | 0

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Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

más de 12 años hace

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questions on assigning values from a vector
This is generally recommended against as it is much easier (not to mention faster) to manipulate a 1xn vector x than dealing wit...

más de 12 años hace | 1

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selecting randomly an array from multiple arrays
doc randperm

más de 12 años hace | 0

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Passing Matrix using call by reference
What operation are you doing inside of |myfunc|? Is it elementwise? If so, MATLAB will do the operation in place if x is name...

más de 12 años hace | 1

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poll: would you like the regexp (?@cmd) functionality to be banned in Cody?
This problem is a poll (and a little bit of "white hat hacktivism" as well) regarding Cody users sentiment about the use of rege...

más de 12 años hace

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I wanna assign predetermined value in specific cell in uitable which created in GUI.
Doug just made a video for this :) <http://blogs.mathworks.com/videos/2013/12/03/matlab-manipulating-the-data-in-a-uitable-in...

más de 12 años hace | 0

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finding headerline and transformation
Use |flipud| or, in R2013b or greater, |flip|. I = imread('1.jpg'); imshow(flipud(I)) And: doc flipud

más de 12 años hace | 0

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Image segementation of cement paste complex structure!
There are a few things a little weird about your image: # First, for a CT image, I'd expect the background to have a lower in...

más de 12 años hace | 1

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Issue with Mac, Linux and windows portability with ls and sprintf commant
Use |filesep| and |pathsep| instead of '/'. These will generate the appropriate separator for the path. doc filesep Or ...

más de 12 años hace | 1