Community Profile

# Brandon Kuczenski

### University of California

Active since 2001

Postdoctoral Researcher, Environmental Science and Management
Professional Interests: System Engineering, Technology Assessment, Industrial Ecology

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tarjan(e)
Tarjan's strongly connected component algorithm Solved

Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

oltre 8 anni ago

Problem

Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

oltre 8 anni ago | 4 | 778 solvers

Solved

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 ...

oltre 8 anni ago

Question

How do I add a value to a field in each element of a struct array?
Say I have a struct array with a numeric field: >> a=struct('bar',{47 52}) I want to increment that field across each el...

oltre 8 anni ago | 1 answer | 0

### 1

@struct method not being found
I have been advised by Matlab support that this is expected behavior, because function_handle has higher precedence than struct-...

oltre 8 anni ago | 0

| accepted

Question

@struct method not being found
I have written a number of extensions to the Matlab struct type, which I have stored in a directory called @struct. One of thes...

oltre 8 anni ago | 1 answer | 2

### 1

Submitted

Capitalize strings using titlecase
Capitalize the first letter of each word in a string or cell array of strings

Submitted

Find nearest-matching string from a set
Computes shortest distance between a key string and a set of strings to find the nearest match.

Problem

Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

circa 10 anni ago | 6 | 970 solvers

Solved

Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

circa 10 anni ago

Solved

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...

circa 10 anni ago

Solved

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...

circa 10 anni ago

Solved

Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

circa 10 anni ago

Solved

Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

circa 10 anni ago

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

circa 10 anni ago

Solved

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

circa 10 anni ago

Solved

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...

circa 10 anni ago

Solved

Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

circa 10 anni ago

Solved

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...

circa 10 anni ago

Solved

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

circa 10 anni ago

Solved

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...

circa 10 anni ago

Solved

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...

circa 10 anni ago

Solved

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

circa 10 anni ago

Solved

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 ...

circa 10 anni ago

Solved

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...

circa 10 anni ago

Solved

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

circa 10 anni ago

Solved

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 ...

circa 10 anni ago

Solved

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...

circa 10 anni ago

Solved

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:...

circa 10 anni ago