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##### Last seen: 1 month ago
50 total contributions since 2020

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how to plot matrix
Let your 2304x1024 matrix be data. I'm assuming that you have to obtain these images successively in a single plot. If that is n...

5 months ago | 0

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Return area of square
Side of square=input=a Area=output=b

5 months ago

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

5 months ago

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

5 months ago

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Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

5 months ago

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

5 months ago

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

6 months 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...

6 months 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...

6 months 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...

6 months ago | 1

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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...

6 months 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...

6 months 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...

7 months 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...

7 months 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....

7 months 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...

7 months 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...

7 months 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.

7 months 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...

7 months 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...

7 months 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...

7 months 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...

7 months 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...

7 months 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...

7 months ago | 0

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

7 months 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...

7 months 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...

7 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...

7 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 ...

7 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...

7 months ago