What day is it?
Tell me what day is it. Return the full name of the day of the week as a string.
e.g. It's June 12th 2014, so your function s...
6ヶ月 前
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Create an arrow matrix
An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row.
...
6ヶ月 前
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Calculating Student Grades
The matrix grades contains raw grades for 7 students who took your course. Each row represents a different student. The first 7 ...
6ヶ月 前
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Determine if x is a combination of m and n
Given positive integers x, m, and n, determine if x can be written as x = am + bn for any (non-negative) integers a and b. Your ...
6ヶ月 前
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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 ...
6ヶ月 前
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Generate this matrix
Generate the following matrix.
n = 2;
out = [-4 -3 -2 -1 0
-3 -2 -1 0 1
-...
Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...
6ヶ月 前
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Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ).
For exampl...
6ヶ月 前
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Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...
6ヶ月 前
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Get an array of month-ends in a date range
Create a function that would return a list of month-ends falling in a given date range.
If a start date or end date falls on a...
Beauty of Parentheses
Given a string consisting of closed parentheses, form a string array in the following way so that the orders of these parenthese...
6ヶ月 前
解決済み
Broken numlock key, oppps !
The numlock key on my computer is pressed and is now broken, so I cant press it to switch off the numlock mode. And hence I am n...
6ヶ月 前
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Calculator spelling - Letters to Numbers
Using the numbers on a calculator, and rotating the display 180 degrees, many words can be spelled. In particular, the following...