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# Shane L

##### Last seen: 6ヶ月 前
30 2016 年以降の合計貢献数

#### Shane L's バッジ

Find matching parenthesis
One of the most indispensable things about a great text editor for programming is the ability to quickly jump between matching p...

1年以上 前

Storing a Square Wave in an array that is more than just one row
As you noted, your t and image arrays are 1 x W, whereas your temp array is W x H. When you try to index temp(:,x) = image; yo...

1年以上 前 | 1

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How to add more than two elements of a cell, where each element in the cell is a matrix of identicle size?
Try this: sum(cat(3, M{:}), 3) This first concatenates all of the arrays in the cells of M into a three-dimensional numeric ar...

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Can I plot multiple polar histograms together?
The problem is that subplot creates axes, whereas polarhistogram requires polar axes (see polaraxes). I don't know of an equival...

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How do I get a "tabular" legend?
If you are looking for a code that is built to create a "tabular" legend, my <https://www.mathworks.com/matlabcentral/fileexchan...

GridLegend
Creates a legend in which the entries are arranged in a grid

"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

3年以上 前

The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

3年以上 前

Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

3年以上 前

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

3年以上 前

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

3年以上 前

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...

3年以上 前

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

3年以上 前

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...

3年以上 前

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...

3年以上 前

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...

3年以上 前

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...

3年以上 前

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 ...

3年以上 前

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...

3年以上 前

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

3年以上 前

If I start with a matrix of zeros, how can I easily create a circle of ones in that matrix?
One way to do it (not necessarily the most efficient, but easy to understand): Z = zeros(99); % create square matrix of zer...

4年弱 前 | 2

Spectrogram behaves unexpectedly when changing input values systematically
The 2nd argument (if it is a single integer), WINDOW, is not the number of time segments into which to split the data, but the l...

4年弱 前 | 2

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

5年弱 前

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]; and ...

5年弱 前

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...

5年弱 前

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

5年弱 前

Given a and b, return the sum a+b in c.

5年弱 前

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5年弱 前

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

5年弱 前

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

5年弱 前