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Tyler


Last seen: 1年以上 前 2016 以来アクティブ

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What is wrong with my vector calculator code?
Hi Hunter, When I run your code, I get the following outputs: xnew = [-0.3090;-0.3090] ynew = [-0.9511;0.9511] zne...

3年以上 前 | 0

質問


Quiver3 resets axes automatically?
I'm using the quiver3 function in a for loop, and each time I am replotting the arrows in different locations. However, I want t...

4年弱 前 | 0 件の回答 | 1

0

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質問


How to correctly order polygon vertices?
I have a set of vertices [x,y] for a specific polygon. I want to use the inpolygon function to determine points within the polyg...

約4年 前 | 1 件の回答 | 0

1

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reshape the dimension of a matrix
The simple answer is no, those arrays do not have the same number of elements. But if you can explain why you want to reshape th...

4年以上 前 | 0

解決済み


Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

4年以上 前

解決済み


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

4年以上 前

解決済み


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...

4年以上 前

解決済み


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

4年以上 前

解決済み


Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...

4年以上 前

解決済み


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...

4年以上 前

解決済み


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...

4年以上 前

解決済み


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...

4年以上 前

解決済み


Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

4年以上 前

解決済み


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...

4年以上 前

解決済み


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

4年以上 前

解決済み


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...

4年以上 前

解決済み


Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

4年以上 前

解決済み


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...

4年以上 前

解決済み


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 ...

4年以上 前

解決済み


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...

4年以上 前

解決済み


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...

4年以上 前

解決済み


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...

4年以上 前

質問


Generate pdf distribution with bias
I'm curious if anyone knows how to bias a probability density function. For example, I want to create a pdf from vector A, but I...

5年弱 前 | 1 件の回答 | 0

1

回答

質問


Distance between two functions
I'm creating multiple probability density functions (pdfs), comprised of x and y values, and would like to compare these to anot...

5年弱 前 | 2 件の回答 | 0

2

回答

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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年以上 前

解決済み


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年以上 前

解決済み


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年以上 前

解決済み


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

5年以上 前

解決済み


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

5年以上 前

解決済み


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

5年以上 前

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