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# dbmn

93 total contributions since 2016

Matlab afficionado working in the automotive sector

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measure diameter of circle
As KSSV and Adam suggested, you should already have most Information readily available when you were able to detect the circles ...

3 years ago | 0

How to remove single quotes around the string
In Matlab, Strings (and Substrings) begin and end with the ' character. See <https://de.mathworks.com/help/matlab/characters-and...

3 years ago | 2

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grid non monotonic XYZ arrays
I assume you want to plot that data. Well the most obvious way would be to just plot the lines with plot3(Xout, Yout, Zo...

3 years ago | 0

Are arrowheads possible on primitive plots?
Instead of reinventing the wheel I suggest you look into the phasor diagrams on the file exchange and search for some inspiratio...

3 years ago | 0

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is 'runmean' is compatible with Matlab16b? i have magnetic field data for hours. i want to get moving average of that. how can i do?
runmean is a function from the file exchange. But there is a whole Group of functions available from mathworks. You should ch...

3 years ago | 0

How to create a gridded matrix with N equally spaced points?
I would advise to use one of the following for the grid [X,Y] = meshgrid(x,y); % with x y being the vectors of your choice ...

3 years ago | 0

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How to edit surf graph in MATLAB?
This should help you get started. I just added some lines to your code to make it look more like the old one hdl = surf(B);...

3 years ago | 0

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My plot does not start at 0
The question is not really clear and multiple outcomes are possible. Maybe you could draw (into the image you posted, what you w...

3 years ago | 1

Unable to use mod function on cell array
you try to convert a int/double to a cell % Create random Variable A A=num2cell(rand(10,10)); % check if your c...

3 years ago | 0

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how to find the equivalent resistance of two resistors in parallel and series
<https://de.mathworks.com/help/control/ref/parallel.html parallel> might not be the best function to use here. See more in the d...

3 years ago | 0

how to find optimize value with two variables
If I understand correctly, you have: x = f(dd); y = g(dd); j = f(dd) + 1/g(dd) = h(dd); which is a one dimensional...

3 years ago | 0

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

3 years ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

3 years ago

Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

3 years ago

Solved

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

3 years ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3 years ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

3 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

3 years ago

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Given a and b, return the sum a+b in c.

3 years ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

3 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

What is the matrix code for column vectors
This should do the trick using the ' for transpose new_matrix = [u', v', (u+v)']

3 years ago | 0

How can I delete/extract rows from a table with cell columns consisting of str and numeric values
The easiest way to extract the "pits" is to do the following % Convert your column type to a format called categorical %...

3 years ago | 0

Remove rows by time with datenum
assuming that A is your matrix with A(:,1) the column of your datenums, then simply do % Determine which rows to delete ...

3 years ago | 0

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How can I interpolate
Try to include some of the following functions in your code numel(x) % This allows you to "count" the number of elements...

3 years ago | 0

How can i delete rows with zeros from a matrix and rebuild the matrix?
A not so easily readable solution would be the following % Create a zero vector to compare to a=zeros(1,size(E,2)-1...

3 years ago | 0

Comparison of two plots - experimental and model results
One thing you could do is to set both datasets on the same time-base f.ex. % Model Data x1, y1 % Experiment Data x2, y2 ...

3 years ago | 0

How to replace portion of data set with another?
One way to solve this would be by logical indexing (assuming both datasets have the same time increment) % Example data ...

3 years ago | 0