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##### Last seen: 1 day ago
44 total contributions since 2020

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load command imports files and data in the MATLAB workspace. As far as .dat file is concerned, a .dat file may contain any kind ...

16 days ago | 0

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

17 days ago

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The last non-zero digit of a factorial
For given positive integer n, what is the last non-zero digit of n!? Example: factorial(11) = 39916800 Last non-zero d...

17 days ago

Kmeans clustering of multidimensional data
Let's assume that your data is in DATA matrix and you have imported all the row and columns in a local variable "data". Try this...

17 days ago | 1

How do i get a direction field plot?
Try this: [x,y]=meshgrid(a:k:b, c:j:d) meshgrid creates a set of points (x, y), where x lies between a and b, incremented by k...

17 days ago | 1

Code running in one tab, but not another
In the line no. 59: B = log(Data(2:23,1)./k2); You are accessing Data values in the rows 2:23, while Data is just an 8x1 doubl...

17 days ago | 0

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Why should I use the zeros function?
Zeros(m,n) will create a matrix of dimensions m x n with all the elements as 0. This matrix along with the ones(m,n) is often us...

1 month ago | 1

Help to speed up the code
Well, the code inside the loops can be edited and vectorized to obtain faster results. I would suggest you go through this docum...

1 month ago | 0

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how can i calculate a complex polygon with coordinates in matlab ?
You can use polyarea for accomplishing your task. The documentation is here: https://in.mathworks.com/help/matlab/ref/polyarea....

1 month ago | 0

How can I plot my data from my for loop?
I'm writing this answer on a mobile phone and thus, I havn't checked this code, but it should work: clc clear all v0=50:1:100...

1 month ago | 0

How do I make a logamarithic curved line of best fit?
You can manually code the problem to store more intermediate values through interpolation in order to make the curve more smooth...

1 month ago | 0

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

1 month ago

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

1 month ago

Add a legend in a plot with multiples lines
Don't use legend multiple times. You can use this command after plotting all the plots. legend('20Hz', '40Hz', '60Hz', '80Hz...

1 month ago | 1

how to visualization data ?
You can use plot or scatter for 2D comparison.If you want a 3D comparison, you can use surf for that. MATLAB has a lot of visual...

1 month ago | 0

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how to plot series of y-axis that only on single point of x-axis?
ax.XTick will only set the ticks values along the x-axis. What is the actual range of x? As far as I can assume the values of x...

1 month ago | 0

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Different result between Matlab and mobile calculator. (Plz helpTT)
Clearly, you have misplaced any bracket or operator while solving the problem in the calculator. Look for them. I t could even...

1 month ago | 0

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Converting Frequency domain to time domain
Hi Katari: Proceed in the following way: Import the data from csv file using 'Import Data' tool or load or importdata function...

1 month ago | 0

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convert matrix to single column
given any matrix, convert it to single column

1 month ago

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Pattern Sum
Write a function which receives two single digit positive integers, (k and m) as parameters and calculates the total sum as: k...

1 month ago

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

2 months ago

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

2 months ago

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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 ...

2 months ago

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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...

2 months ago

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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]; ...

2 months ago

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

2 months ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

2 months ago

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

2 months ago

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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...

2 months ago

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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...

2 months ago