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Are Mjaavatten


Mjaavatten Consulting

233 total contributions since 2015

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Fill the matrix - 1
Input is a column vector and n. n columns will be added to the left of the input column. The first value of the row is the s...

28 dagen ago

Answered
I have IgorTime data in which time:units = "seconds since 1904-01-01". I would like to convert this seconds to datevc.
First: Are you sure your T vector is in seconds? If so, your time list covers about 48 milliseconds around 01-Jan-1904 11:41:29....

29 dagen ago | 1

Solved


Find the Final State of an Abelian Sandpile
Let us define an <http://nautil.us/issue/23/dominoes/the-amazing-autotuning-sandpile Abelian sand pile> as a matrix that is only...

30 dagen ago

Solved


Data Regularization
Provided is an m-by-n integer data matrix A whose elements are drawn arbitrarily from a set *S* = [1,2,3,...,S] for any large in...

ongeveer een maand ago

Solved


Divide elements by sum of elements
In this problem, I ask you to write a function which will divide the elements of each column by the sum of the elements of the s...

ongeveer een maand ago

Answered
How to add headers to Excel.
filename = 'testdata.xlsx'; header = {'name', 'Age'}; A = [12.7;5.02;-98;63.9;0;-.2;56]; B= [12.7;5.02;-98;63.9;0;-.2;56]; c...

ongeveer een maand ago | 1

| accepted

Answered
Plot multivariable function,can't get the plot right ?
The main problem with your plot is simply that the large values of f for y > 0.5 dwarf the variations at lower values. Changing...

ongeveer 2 maanden ago | 1

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Answered
Matrix divison or calculating slope
There is a syntax error with your use of parentheses. Also, the slope for the last row is not defined. This should work: nro...

ongeveer 2 maanden ago | 0

| accepted

Answered
fitting a curve (3D) to pointcloud data
Assuming that the points are listed in sequence along your curve, you can express x, y, and z as functions of the (approximate) ...

ongeveer 2 maanden ago | 1

| accepted

Answered
Word Search Words Overlapping
I was fascinated by your problem, so I wrote my own version. This gave me some insights: I recommend that you first create an ...

3 maanden ago | 0

Answered
How to find same element in txt file (in a coloumn) and find the amount for averaging the value of another coloumn ?
There may be more elegant ways to read the file, but I often prefer to use textscan to read a text file into a cell array of str...

4 maanden ago | 1

| accepted

Answered
Degrees-Minutes-Seconds Separation
It simplifies things if you use a doubke quote (") instead of two single qotes ('') to denote seconds. I enclose the modified ...

4 maanden ago | 0

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Answered
reading a txt file with rows of different length
fid = fopen(filename); lines = textscan(fid,'%s','delimiter','\n'); fclose(fid); lines = lines{1}; % The points data are in ...

5 maanden ago | 2

Answered
Reading data row by row into matlab.
I often find it useful to read the file into a cell array of strings using textscan. Then I can easily experiment with how to b...

5 maanden ago | 0

Answered
Reading CSV files in a sequence based on numeric value in file name
d = dir('*.csv'); filenames = {}; index = 0; k = 0; for i = 1:length(d) % Using regexp with lookaround on the file name t...

5 maanden ago | 0

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Answered
How to index a random matrix with set conditions?
For a list of the negative values: negM = M(M<0) For the indices of the negative values: [i,j] = find(M<0) To display only t...

6 maanden ago | 1

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Answered
How to identify points that are located in a polygon when this polygon passes through the meridian?
It seems that you are using the mapping toolbox, Then you can use ingeoquad: ingeoquad([35,45],[0,10],[30 40], [355 5]) Your ...

6 maanden ago | 2

Submitted


remotest(points,boundary)
Finds the position within or on a boundary that is farthest from any member of a set of points.

7 maanden ago | 1 download |

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Answered
I have set of latitude and latitude of a specific region which has the mobile towers deployed and now I want to know the best possible location to deploy new mobile towers to overcome the coverage issues, which algorithm or what will be best way to ?
Obviously, optmal locations will depend on many factors, such as topography and signal interference risk. But as a first approx...

7 maanden ago | 3

| accepted

Answered
how can i get an improved Euler's method code for this function?
There are two problems with your code: The analytical solution is incorrect You increment x inside the for loop. Don't. The f...

7 maanden ago | 2

| accepted

Solved


Simulate one complete step in the Biham–Middleton–Levine traffic model
The <http://en.wikipedia.org/wiki/Biham%E2%80%93Middleton%E2%80%93Levine_traffic_model Biham–Middleton–Levine traffic model> is ...

8 maanden ago

Answered
saving real roots in a vector; "solve" gives me weird results
The code below will solve your problem as stated. In the general case with other parameters it may not be robust. You may need...

8 maanden ago | 0

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Submitted


Curvature of a 2D or 3D curve
Calculates the local radius of curvature as well as the cumulative arc length and the curvature vector along a 1D curve in 2D or...

8 maanden ago | 81 downloads |

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Answered
How to find the arclength and radius of curvature for a set of 3D data points?
I was inspired by your question to write a functon that calculates the arc length and curvature of a 1D curve in 2D or 3D space....

8 maanden ago | 0

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Solved


Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

10 maanden ago

Solved


Integer Sequence - II : New Fibonacci
Crack the following Integer Sequence. (Hints : It has been obtained from original Fibonacci Sequence and all the terms are also ...

10 maanden ago

Solved


Is X a Fibonacci Matrix?
In honor of Cleve's new blog and post: <http://blogs.mathworks.com/cleve/2012/06/03/fibonacci-matrices/> Is X a Fibonacci ...

10 maanden ago

Solved


Sum the Infinite Series
Given that 0 < x and x < 2*pi where x is in radians, write a function [c,s] = infinite_series(x); that returns with the...

10 maanden ago

Answered
'For ' loop for every day for one minut fequency sea level data
Your problem seems to be the selection of data to calculate min and max values. The code below should help you on your way. Con...

10 maanden ago | 1

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Solved


Five steps to enlightenment
This problem asks you to identify valid variations of the famous <https://en.wikipedia.org/wiki/Sum_and_Product_Puzzle sum and p...

12 maanden ago

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