arich82

Active since 2014

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how to run a while loop as long as the time parameter input is not exceeded?
There are probably more elegant solutions using <www.mathworks.com/help/matlab/ref/timer-class.html |timer| objects>, but if the...

9 years ago | 2

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Hist3, height bar depends on a third variable
What about |bar| or <http://www.mathworks.com/help/matlab/ref/bar3.html |bar3|>? For |bar3|, the height of the bar is whatever ...

9 years ago | 0

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3D Histgram plot for [N,M] Matrix, visualize result monte carlo simulation
It seems like you just want a histogram for each of the 30 cases. If so, this is done very simply using |histc| and |bar3| (ess...

9 years ago | 0

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How can I create a bubble different size plot?
[Edit to correct labels; also, note that no toolboxes are necessary.] See if this works for you. It combines the heat map an...

9 years ago | 0

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How to create a dynamic array, by counting the content of my current array?
This is a variation on run length encoding. Note that |find(diff(A))| returns the index of the end of each phase (where a pha...

9 years ago | 0

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how can i find all possible combination of a decision tree?
There's a very good chance I've made several errors here, but this might get you started: We seek the final score of |a:b|. ...

9 years ago | 0

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How to comparison decimal numbers
You can truncate (without rounding) using |floor| (or |fix|, if your numbers can be negative): x = [ ... 7.551119;...

9 years ago | 1

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Fast r-contiguous matching
How big is 'huge'? Assuming I've understood your requirements, your accepted solution seems terribly inefficient, memory-wise, ...

9 years ago | 0

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How to remove repeated neighbour numbers?
We can construct a mask to get the non-repeated elements of |A|. Then, |cumsum(mask)| will effectively give a phase number for...

9 years ago | 0

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How to make average of set of data?
[Edit to fix typo in image.] This answer references your previous question, <http://www.mathworks.com/matlabcentral/answers/2...

9 years ago | 0

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How can I add a fixed interval to a set of data?
I'm assuming that there's a typo in your expected result, and that |B| should be B=[4 3 2 1 0 *1* 2 3 4 5 ...] A simple (...

9 years ago | 0

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Hi everybody, I want different scenarios of a vector with 0 and 1 elements. For example v=[0 0 0 0 0 0 0], v=[0 1 0 1 0 1 0 ] , v=[0 1 1 1 1 1 1] and so on. But the first element of vector is fixed and has be zero .
Use |dec2bin| with its second argument: >> n = 6; >> a = dec2bin(0:2^n-1, n+1) a = 0000000 0000001 ...

9 years ago | 1

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Get Points from a Line (data set)
[Edit to fix grammar and include output.] It seems |interp1| is the answer of the day... x = [1 2 3 4 5 6 7 8 9 10]; % n...

9 years ago | 0

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how to arrange in order index by number of position
I wonder if, perhaps, there is an error in the expected solution you posted, and if it should instead be: S = [5, 2, 4, 6, ...

9 years ago | 0

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Integral average of y values with respect to x values
[edited to fix typo in comments, and clean-up useless clutter] Perhaps try combining the |filter| solution with the |accumarr...

9 years ago | 0

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Make a 3D animation of a system of equations in R^3.
It partly depends on what exactly you want. A quick and dirty approach would be to solve the ODE over a fixed interval using |o...

9 years ago | 0

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Using 3 dimensional array to 2d-plot????
At the very least, you need to switch your |i=i+1| and |k=k+1| statements: you have |k| indexing the inner-most loop, and |i| in...

9 years ago | 0

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Zero values of a fitted curve
There's a paper by Prof. Boyd from the University of Michigan that appears to address this: "Computing the zeros, maxima and ...

9 years ago | 1

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Filter data into different Phases using multiple conditions.
I think you can achieve this by a variation on run length encoding. First, encode the data based on condition 1, then use condi...

9 years ago | 0

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Meshgrid - RGB triplet plots
I'm not entirely sure how your actual data is formatted, but your dummy data for C needs to transpose the |theta| and |rho| dime...

9 years ago | 0

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How do I plot wireless signal strength measurements using a spherical plot
[Edited for grammar.] Sorry for the delayed reply: I typed this up yesterday afternoon, but got called away before I could po...

9 years ago | 1

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Cirle with color changing gradually.
[Edited to add colorbar and image.] As far as I know, you can't do it directly, but |pol2cart| is your friend. Look at <ht...

9 years ago | 0

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How can i replace 0 by -1 in all binary number till 256 as 00000000, 00000001, 00000010, 00000011, 00000100, .................................., 11111111 ?
[Edited to use 0:255 instead of 1:256] n = 8; a = dec2bin(0:n-1) - '0' returns a as a matrix of doubles: a = ...

9 years ago | 0

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Implementating the use of strfind with a for loop
[Edited to correct |sum(p, 1)| to |sum(p, 2)|.] I think you submitted a similar question yesterday, but it seems to have been...

9 years ago | 1

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Compare closest grid cells without interpolation
I realize you said you don't want interpolation, but have you considered |interp2| with the |'nearest'| method? It really seems...

9 years ago | 0

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Creating a shape with varying arcs?
Note that 'smoothly' might not mean what you think it means: depending on your relative radii, you might get a change in concavi...

9 years ago | 0

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Using a while loop to check convergence
This looks like homework, but it also looks like you've got a good start... Note that |i| is generally regarded as a bad choi...

9 years ago | 1

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repeating a vector with increments
Assuming you have a typo in your example and your desired output is actually [2, 3, 5, 8, 9] (i.e. an |8| instead of the r...

10 years ago | 0

10 years ago | 1

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Find the angle between two vectors, then move away...
I think you might have two errors: First, atan2 takes arguments atan2(y, x), i.e. the reverse of what you seem to have. Se...

10 years ago | 0

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arich82

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