Submitted
symlog
bi-symmetric logarithmic axes scaling (allows negative values)
7 years ago | 23 downloads |
Answered
how to convert wind direction to degrees?
You could store the names and values in arrays and look up the angle corresponding to the matching name. directionValues = ...
how to convert wind direction to degrees?
You could store the names and values in arrays and look up the angle corresponding to the matching name. directionValues = ...
7 years ago | 1
| accepted
Answered
splitting dataset to groups with equal means
If your variables are sized similarly to your example, you can take the brute force approach and use |perms| to test every possi...
splitting dataset to groups with equal means
If your variables are sized similarly to your example, you can take the brute force approach and use |perms| to test every possi...
7 years ago | 0
Answered
How do I create a vector array out of certain values of a matrix?
Using some example data, here is the code using logical indexing to grab all the values of the matrix whose column index is grea...
How do I create a vector array out of certain values of a matrix?
Using some example data, here is the code using logical indexing to grab all the values of the matrix whose column index is grea...
7 years ago | 0
Answered
Scanning Matrix For Changes In Polarity
You could use |diff| and |sign| to create a logical array, then |cumsum| to convert that to a group index. % where x is you...
Scanning Matrix For Changes In Polarity
You could use |diff| and |sign| to create a logical array, then |cumsum| to convert that to a group index. % where x is you...
7 years ago | 0
| accepted
Answered
How to use AND in an if loop to find the first repeated value
You can accomplish this with |intersect|. To illustrate, let's make an example file: mydata = randi(9,[100,6]); myfile =...
How to use AND in an if loop to find the first repeated value
You can accomplish this with |intersect|. To illustrate, let's make an example file: mydata = randi(9,[100,6]); myfile =...
7 years ago | 0
Answered
how to turn "points" in scatter diagram into "lines"
You could display the data as an image. I see that your x values are all integers in your text files. If this will always be tru...
how to turn "points" in scatter diagram into "lines"
You could display the data as an image. I see that your x values are all integers in your text files. If this will always be tru...
7 years ago | 0
Answered
Plotting two vectors for a period of time
% From your question: N = 100; x = [1.1 2.4 5.0 6.00 9.6]; y = [0.2 0.3 0.5 0.67 0.9]; % A little more setup ...
Plotting two vectors for a period of time
% From your question: N = 100; x = [1.1 2.4 5.0 6.00 9.6]; y = [0.2 0.3 0.5 0.67 0.9]; % A little more setup ...
7 years ago | 1
| accepted
Answered
How to Write Each Each Expression in a Separate Row
You can use three dots (ellipsis) to extend MATLAB code onto the next line. <http://www.mathworks.com/help/matlab/matlab_prog...
How to Write Each Each Expression in a Separate Row
You can use three dots (ellipsis) to extend MATLAB code onto the next line. <http://www.mathworks.com/help/matlab/matlab_prog...
7 years ago | 0
Answered
Matlab, can you create a separate font size for the x tick mark label and y tick mark label?
In R2016a (and probably anything R2014b or after), you can set different font sizes for each axis using ax = gca; ax.XAx...
Matlab, can you create a separate font size for the x tick mark label and y tick mark label?
In R2016a (and probably anything R2014b or after), you can set different font sizes for each axis using ax = gca; ax.XAx...
7 years ago | 3
Answered
Vectorization of matrix multiplication with scalar (Scalar is value of other matrix at index i) and expm() operation
I don't think this problem is well suited for vectorization since you are already doing matrix multiplication at each iteration ...
Vectorization of matrix multiplication with scalar (Scalar is value of other matrix at index i) and expm() operation
I don't think this problem is well suited for vectorization since you are already doing matrix multiplication at each iteration ...
7 years ago | 1
| accepted
Answered
Problem with plotting/updating the graph in the GUI.
Your callback appears to be wrapped in single quotes. When the callback is a string, MATLAB evaluates the string. Your string ev...
Problem with plotting/updating the graph in the GUI.
Your callback appears to be wrapped in single quotes. When the callback is a string, MATLAB evaluates the string. Your string ev...
7 years ago | 0
| accepted
Answered
Simulink: How do I change the value of a gain block with code?
From our conversation in the comments: * You have 50+ gain blocks scaling signals in your model. * You intend to generate C ...
Simulink: How do I change the value of a gain block with code?
From our conversation in the comments: * You have 50+ gain blocks scaling signals in your model. * You intend to generate C ...
7 years ago | 1
| accepted
Answered
algebraic loop warning despite using algebraic constraint block
That warning is simply telling you that you have an algebraic loop. I imagine that algebraic loops are created more often by acc...
algebraic loop warning despite using algebraic constraint block
That warning is simply telling you that you have an algebraic loop. I imagine that algebraic loops are created more often by acc...
7 years ago | 0
Answered
Buildig a model with .m file
The default type for |logsout| is a <http://www.mathworks.com/help/simulink/slref/simulink.simulationdata.dataset-class.html#zmw...
Buildig a model with .m file
The default type for |logsout| is a <http://www.mathworks.com/help/simulink/slref/simulink.simulationdata.dataset-class.html#zmw...
7 years ago | 0
Answered
How can I set a color gradient on my bar plot?
The most direct way in my opinion is to call |bar| once for each bar in your plot, assigning individual colors that way. y ...
How can I set a color gradient on my bar plot?
The most direct way in my opinion is to call |bar| once for each bar in your plot, assigning individual colors that way. y ...
7 years ago | 0
| accepted
Answered
How to generate stair function ?
If you have the DSP System Toolbox, you can use the included block |Mean| to calculate a running mean of your signal, then reset...
How to generate stair function ?
If you have the DSP System Toolbox, you can use the included block |Mean| to calculate a running mean of your signal, then reset...
7 years ago | 0
Answered
How to draw a circle with a red annulus and green center?
How about a simpler implementation without the loops: xpix = 1140; ypix = 912; rad = 150; % Use zeros to initi...
How to draw a circle with a red annulus and green center?
How about a simpler implementation without the loops: xpix = 1140; ypix = 912; rad = 150; % Use zeros to initi...
7 years ago | 0
| accepted
Answered
Transform content of cell array to strings
If all the lines of your data take the format of your example line, you could use x = regexp(myCellArray,'([\d.]*)','match'...
Transform content of cell array to strings
If all the lines of your data take the format of your example line, you could use x = regexp(myCellArray,'([\d.]*)','match'...
8 years ago | 0
Answered
How can i draw a previously specified dimensions lattice ?
Using x as your list of x coordinates and y as your list of y coordinates of the circle centers: R = 1; % or whatever y...
How can i draw a previously specified dimensions lattice ?
Using x as your list of x coordinates and y as your list of y coordinates of the circle centers: R = 1; % or whatever y...
8 years ago | 0
Solved
Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...
8 years ago
Solved
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
8 years ago
Answered
how to display three one dimensional vectors as a 2 dimensional image
To create a mesh from your data, you could use |delaunay| and |trisurf|, which don't need the |x| and |y| values to be evenly sp...
how to display three one dimensional vectors as a 2 dimensional image
To create a mesh from your data, you could use |delaunay| and |trisurf|, which don't need the |x| and |y| values to be evenly sp...
8 years ago | 0
Answered
How to calculate average time over a given period?
You could # convert your times to numeric values using |datenum| # trim your times to an even multiple of |step| # reshape ...
How to calculate average time over a given period?
You could # convert your times to numeric values using |datenum| # trim your times to an even multiple of |step| # reshape ...
8 years ago | 0
Answered
Merge matrices by matching first column values in MATLAB?
A= [4 5.3 5 7.3 8 2.5 9 4.7]; B= [1 3.6 0.4 2 3.9 0.6 3 9.2 0.9 4 5.1 0...
Merge matrices by matching first column values in MATLAB?
A= [4 5.3 5 7.3 8 2.5 9 4.7]; B= [1 3.6 0.4 2 3.9 0.6 3 9.2 0.9 4 5.1 0...
8 years ago | 1
| accepted
Answered
How to use the data, but no polar function, to make polar plot?
I would use |polar| to plot the data; however it looks like R2016a has a preferred option -- |polarplot| ( <http://www.mathworks...
How to use the data, but no polar function, to make polar plot?
I would use |polar| to plot the data; however it looks like R2016a has a preferred option -- |polarplot| ( <http://www.mathworks...
8 years ago | 0
| accepted
Answered
How can I plot negative value with log scale?
Rather than use the transform you mentioned in your comment, t = sign(x)*log(abs(x)) you could use t = sign(x)*log(1+...
How can I plot negative value with log scale?
Rather than use the transform you mentioned in your comment, t = sign(x)*log(abs(x)) you could use t = sign(x)*log(1+...
8 years ago | 7
| accepted
Question
Why is my simulation signal logging output is empty in parfor loop (but not in for loop)?
I am running a simulation in Rapid Accelerator mode with the intention of running it in a |parfor| loop. I am running MATLAB r20...
8 years ago | 2 answers | 0