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frame of the matrix
Given the matrix M, return M without the external frame.

circa un anno ago

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Too Many Zeros, Dump Them!
Sometimes when I create a matrix, I use this syntax: a = zeros(1000,1000); But when the function ends, I find that I don'...

circa un anno ago

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Enlarge array
Given an m-by-n numeric array (A) and a 1-by-2 vector (sz) indicating the dimensions [p q] to enlarge each element, return an (m...

circa un anno ago

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subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

circa un anno ago

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Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

circa un anno ago

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Compute LOG(1+X) in natural log
Compute LOG(1+X) in natural log

circa un anno ago

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What is Sum Of all elements of Matrix
Given the matrix x, return the sum of all elements of matrix. Example: Input x = [ 1 2 0 0 0 0 6 9 3 3 ] ...

circa un anno ago

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Omit columns averages from a matrix
Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

circa un anno ago

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Implement a ROT13 cipher
Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

circa un anno ago

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Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

circa un anno ago

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vectorization in N
For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.

circa un anno ago

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find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

circa un anno ago

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Find out sum of all elements of given Matrix
Find out sum of all elements of given Matrix A=[1 2 3;4 5 6 ;7 8 9]; Answer must be: 45 *If you like this problem, pl...

circa un anno ago

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basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix
For given input matrix a, rotate it by 90 degrees and find the sum of the diagonals. Example: Input: a = 1 ...

circa un anno ago

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Comparison of floating-point numbers (doubles)
<https://au.mathworks.com/help/matlab/matlab_prog/floating-point-numbers.html Floating-point numbers> cannot generally be repres...

circa un anno ago

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Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

circa un anno ago

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letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

circa un anno ago

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

circa un anno ago

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Find max
Find the maximum value of a given vector or matrix.

circa un anno ago

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Find the area of the four walls
If length, breadth and height of the walls are given, find the area of the four walls.

circa un anno ago

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Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

circa un anno ago

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Who has power to do everything in this world?
There is only one person who is older than this universe. He is Indian version of Chuck Norris.

circa un anno ago

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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

circa un anno ago

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length of a vector
Find twice the length of a given vector.

circa un anno ago

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UICBioE240 problem 1.6
Find the tangent line of a right triangle given the two of the sides. So if A = [1 1] B = sqrt(2)

circa un anno ago

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Replacing a row
For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

circa un anno ago

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only input
Return the output without writing any code into the function.

circa un anno ago

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Colon operator of two vectors
You are given two vectors of equal length: VecStart, VecEnd Each vector contain a set of integers, where VecEnd(j)>=VecStar...

circa un anno ago

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Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

circa un anno ago

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Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

circa un anno ago