解決済み

Replace 0 to NaN!
In given matrix A=[1 nan nan; 2 2 nan; nan nan 1]; replace NaN to 0. Use matrix A as a input.

1年以上前

解決済み

Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

1年以上前

解決済み

Find the sum of n squares
What is the sum of the squares of the first n integers?

1年以上前

解決済み

Convert yards to feet
The goal of this script is to convert a value given in yards to feet.

1年以上前

解決済み

Simpson's Paradox - Calculate correlation coefficients for groups of data
Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...

1年以上前

解決済み

Dog Statistics
The vectors ht and wt contains the heights and weights of 20 golden retrievers. In some cases, it was not possible to make both ...

1年以上前

解決済み

Indirect Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

1年以上前

解決済み

Will there be a new leader?
Simply answer the title.

1年以上前

解決済み

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

1年以上前

解決済み

Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

1年以上前

解決済み

The Answer to Life, the Universe, and Everything
A variation of a previous Hitchhiker's Guide to the Galaxy problem. *Inputs:* Life, the Universe, and Everything *Output:*...

1年以上前

解決済み

Create an anti-identity matrix
Create an anti-identity matrix of given dimension. Examples n = 2 A = [0 1; 1 0] n = 3 A = [0 0 1; 0 1 0; 1 0 0...

1年以上前

解決済み

Change the first and last diagonal element of the identity matrix to zero
Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

1年以上前

解決済み

execute the declaration in strings and return value
execute the commands in strings and return value input='a=23' output=23

1年以上前

解決済み

most frequent character
Obtain the most frequent character. For example, s='balaram'; output='a'; If there is a tie between letters, return t...

1年以上前

解決済み

interesting center of magic matrix
output the centre of magic matrix of n input=7; output=25

1年以上前

解決済み

ascii value
let input='a' output=97

1年以上前

解決済み

index of n^2 in magic(n)
input=5 magic matrix 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22 10 ...

1年以上前

解決済み

Find the index of n in magic(n)
If input n=5, then magic(n) is 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22...

1年以上前

解決済み

ASCii Code
Using matlab, give the symbol that is associated with ASCii code 122

1年以上前

解決済み

Cos Function
x is the abscissa. find the absolute value of cosine of -x and the same value with changed sign.

1年以上前

解決済み

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

1年以上前

解決済み

Crunch that matrix!
You are given an M x N matrix. Write a script that will compress this matrix into an M x (N/3) matrix, where each of the terms ...

1年以上前

解決済み

Solving a quadratic equation
Given a, b and c, Return the solution of the following quadratic equation: a*x^2 + b*x + c = 0.

1年以上前

解決済み

Divisors of an integer
Given a number N, return a vector V of all integers that divide N. For example, N = 10 Then V=[1 2 5 10]

1年以上前

解決済み

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...

1年以上前

解決済み

Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

1年以上前

解決済み

Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

1年以上前

解決済み

Sum the elements in either diagonal of a square matrix
Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal. (Include all elements that are part ...

1年以上前

解決済み

Size of this cup?
The given vector has diameter of the cup in mm sampled at micrometer increments in depth from top to bottom, need output in cc a...

1年以上前