Chris McComb

Last seen: 3 years 前 | 自 2013 起处于活动状态

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Reduced Rank Regression
Multivariate regression via rank reduction.

6 years 前 | 2 次下载 |

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PipeWrench
Solve fluid networks with finite element method

8 years 前 | 3 次下载 |

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gplot3: plotting simple graphs in 3d
Plot simple graphs in 3d

8 years 前 | 6 次下载 |

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Aesethetic Axis Breaks
Breaks the x or y axis.

9 years 前 | 11 次下载 |

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Sum the numbers on the main diagonal
Sum the numbers on the main diagonal of an n-by-n matrix. For input: A = [1 2 4 3 6 2 2 4 7]...

9 years 前

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Distance walked 3D
suppose you go from x-y-z coordinates [3,4,2] to [0,0,2] to [0,1,2] to [1,1,2], to [1,1,20] then you walked 25 units of distance...

9 years 前

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

9 years 前

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Is there a mathwork about tensegrity structure?
You might want to start <http://www.markschenk.com/tensegrity/files.html here> .

9 years 前 | 1

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Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

9 years 前

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Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

9 years 前

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Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

9 years 前

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loop for extracting columns of a matrix
If you have a matrix, M, you can access column i (as a vector) by using M(:, i). (The colon indicates 'every row')

9 years 前 | 0

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Remove intercept with "regress"
I think that all you need to do is remove the first column from your second argument (i.e. the column of 1's). [b17, bint1...

9 years 前 | 0

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Replacing elements in matrix columns
You can do the replacement using logical indexing. The replacement for 34 --> 1 would be as follows: for i=2:3 idx = (...

9 years 前 | 0

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can i change the x axis without changing the plot? So i have a array with 10000 numbers in it, i want to plot thoes 10000 numbers in time, like 0-10sec insted of 0-10000.
You just need to supply a vector of x values. Something like x = linspace(0, 10, length(buf)); Then, just plot as ...

9 years 前 | 0

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Can anyone explain from the third line till the end of below code..??
The third line from the end contains only the word 'else'. This is typical syntax for the if control structure. In the example, ...

9 years 前 | 0

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Creating Multiple Windowed Plots
You can use the command figure() to open a new window to plot in.

9 years 前 | 0

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save txt file in loop
You could do something like this using the dlmwrite function: for i=1:1:50 dlmwrite(sprintf('%d.txt', i), magic(i));...

9 years 前 | 0

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How do I change the resolution of an image produced by imagesc?
To use imresize, you first read the image in: a = imread('image.jpg'); Then, you apply imresize as follows (for example ...

9 years 前 | 0

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How to draw smooth balls (spheres) and sticks (cylinders) around my XYZ points.
This should do what you're looking for regarding the spheres (but see my above comment for cylinders). % Parameters SPHE...

9 years 前 | 1

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finding slope of a curve at some specific points
You might want to start by looking at MATLAB's gradient function. You could also use simple finite difference formulas, like: ...

9 years 前 | 1

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Fast interp1 with 'spline'
Are you calling interp1 with a vector or lookup points? If not, doing so could give you a significant speed-up.

9 years 前 | 0

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Data vectors with different time intervals
You should interpolate the temperature data. You can do this using a variety of methods, which you can find <http://www.mathwork...

9 years 前 | 0

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How significantly does the platform Matlab is run on affect numerical precision?
This difference could be a result of slightly different <http://www.netlib.org/blas/ BLAS> implementations. <http://www.mathw...

9 years 前 | 0

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3D mesh/surf plot puzzle
You should try using the bar3 function, as follows: bar3(img, 1.0) The 1.0 sets the width to unity, so that the bars a...

9 years 前 | 1

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Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

9 years 前

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Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

9 years 前

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Displaying the order of objects on an axis
You're having this problem because the rectangle command draws the object in the xy plane, with z=0. Therefore, since I'm guessi...

9 years 前 | 0

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Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

9 years 前

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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

9 years 前

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