Submitted
Mark2DOT: Weighted Graph Export
Export weighted MATLAB graphs to Graphviz DOT or rendered images.
20 days ago | 2 downloads |
Submitted
gplot3: Graphs in Three Dimensions
Draw adjacency-matrix graphs as 3D MATLAB line segments.
20 days ago | 724 downloads |
Submitted
Natural Cubic Spline Function Handle
Fit a natural cubic spline and evaluate it directly through a MATLAB function handle.
20 days ago | 548 downloads |
Submitted
Reduced Rank Regression
Fit multivariate linear regression with a specified reduced coefficient rank.
20 days ago | 440 downloads |
Solved
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]...
11 years ago
Solved
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...
11 years ago
Solved
Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];
11 years ago
Answered
Is there a mathwork about tensegrity structure?
You might want to start <http://www.markschenk.com/tensegrity/files.html here> .
Is there a mathwork about tensegrity structure?
You might want to start <http://www.markschenk.com/tensegrity/files.html here> .
11 years ago | 1
| accepted
Solved
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]; ...
11 years ago
Solved
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...
11 years ago
Solved
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...
11 years ago
Answered
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')
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')
11 years ago | 0
Answered
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...
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...
11 years ago | 0
Answered
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 = (...
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 = (...
11 years ago | 0
Answered
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 ...
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 ...
11 years ago | 0
| accepted
Answered
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, ...
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, ...
11 years ago | 0
Answered
Creating Multiple Windowed Plots
You can use the command figure() to open a new window to plot in.
Creating Multiple Windowed Plots
You can use the command figure() to open a new window to plot in.
11 years ago | 0
| accepted
Answered
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));...
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));...
11 years ago | 0
Answered
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 ...
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 ...
11 years ago | 0
Answered
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...
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...
11 years ago | 1
Answered
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: ...
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: ...
11 years ago | 1
Answered
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.
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.
11 years ago | 0
Answered
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...
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...
11 years ago | 0
Answered
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...
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...
11 years ago | 0
Answered
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...
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...
11 years ago | 1
| accepted
Solved
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!
11 years ago
Solved
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...
11 years ago
Answered
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...
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...
11 years ago | 0
| accepted
Solved
Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.
11 years ago
Solved
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...
11 years ago