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**Content Feed**

Plotting surface tangent to surface plot

You should use a matrix, not a scalar or vector, as the error says. Z (and T) are vectors, probably an issue with how you defi...

20 hours ago | 0

How in the world am I supposed to install MATLAB on Linux Ubuntu 20.04?!

cd mounted/directory/with/matlab ./install But you probably already tried that. Add sudo first before the command maybe. You...

20 hours ago | 0

Indexing in complex cell arrays

To simplify, since you are working with cells that contain only single colums or rows (and not multiple like in a matrix), a{1} ...

6 days ago | 0

| accepted

Extract data points from multiple plot in one figure on Matlab

Your figure axes have 3 graphic objects, the first is the green line and the last is the Observed and Simulation ones. In betwee...

6 days ago | 0

plot running time complexity

Well, in this figure the functions behind the lines are just not the simple ones displayed. Otherwise for example all n^n and n^...

6 days ago | 0

| accepted

Solved

Energy of an object

Calculate the total mechanical energy of an object. Total Energy= Potential energy + Kinetic energy P.E.=m*g*h K.E.=1/2...

6 days ago

Solved

Fill a zeros matrix

The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

6 days ago

Solved

Distance of the centroids of the balls

Given *n* balls of radius *r* and the vector *p (nx3)* with all position *(x,y,z)* of the balls, return the symmetric matrix *A ...

6 days ago

Solved

Calculate compression ratio of engine

Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)

1 month ago

Extract one pixel vertical stripes from multiple images and concatenate them in a new image in Matlab

folder = ''; % pwd or C:\Users\etc or /usr/local/ or fullfile or https// or whatever position = 10; % column of pixels in pixel...

1 month ago | 0

| accepted

For over three dimensional data

How is my whole Uni requesting help like this? Surely there are some people who could help within already... Anyway, you should...

1 month ago | 0

How can I remove double values in an array

"remove rows in C that has zero in the second column" so pretty much the array B but with the 2nd column values of A whenever th...

1 month ago | 0

Solved

All capital?

Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

1 month ago

Solved

Find similar sequences

Another problem inspired by a question on the <http://www.mathworks.com/matlabcentral/answers answers> forum. Given a matrix ...

1 month ago

Solved

Rule of mixtures (composites) - upper bound

The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

1 month ago

how can I modify my code so that whenever my Y axis reaches 2.5E-6 it get constant, means no more variation with x axis.

For a question about a value or a plot, the code you shared is needelessly complicated, you could make it easier for the people ...

1 month ago | 0

Solved

Convert String to Morse Code

Convert a given string to international <http://en.wikipedia.org/wiki/Morse_code Morse Code> * Strings will only have [A-z], ...

1 month ago

How can I split the data in cells

countries = {'Finland','San Marino','Serbia','France','Germany','Spain','Ireland','Italy','United Kingdom','Bosnia and Herzego...

1 month ago | 0

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....

1 month ago

Solved

Largest Geometric Series

Extension of Ned Gulley's wonderful Problem 317. In a geometric series, ratio of adjacent elements is always a constant value. ...

1 month ago

Solved

geometric progression

I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...

2 months ago

Solved

Reverse the elements of an array

Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

2 months ago

Solved

Mersenne Primes vs. All Primes

A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...

2 months ago

Solved

Set some matrix elements to zero

First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

2 months ago

Solved

Mysterious digits operation (easy)

What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

2 months ago

plotting 12 graphs in one figure

So instead of plottin 12 figures each with mo_av, mo_max and mo_min you want 3 with 12 subplots? Would subplot(1,12,x) do? that ...

2 months ago | 0

Given vertex points of two 2D polygons plotted in 3D space (x,y,z) how to determine if they intersect?

Unfortunately intersect only works for 2D polyshape objects, whereas for 3D you can use alphaShape and then a numerical solution...

2 months ago | 1

| accepted

reading files of folders with specific name styles

Adapt, test, correct, or simplify following code: Dir_with_Att = 'C:\Users\etc\put_your_directory_path_here\maybe_use_fullfile_...

2 months ago | 0

Drop data from datatime by condition

Now I see that this was already answered, but the y-values might need to equal zero *for* a specific duration (or more), if I ge...

2 months ago | 1

How to determine muscle activation timing of an emg signal?

You can use Fieldtrip or something like below (code needs testing/cleaning) % emg = timeseries; % Fs = sampling fr...

2 months ago | 0