# Bruce

### Bigelow Laboratory for Ocean Sciences

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**Content Feed**

Question

readtable, excel, date base

How can I tell readtable what the appropriate excel base date is?

nästan 2 år ago | 1 answer | 0

### 1

answerHow do I uninstall MathWorks Products on Windows when the uninstaller fails?

They don't add much, but there were about 50 entries in the registry that reference either matlab or mathworks. I don't think m...

mer än 2 år ago | 2

How do I uninstall MathWorks Products on Windows when the uninstaller fails?

And how to we "safely" remove all of the drek that gets added to the registry if we have to resort to the "delete the matlab fol...

mer än 2 år ago | 0

Question

Getting "trendline" information from excel?

I have a bunch of excel spread sheets that have graphs in them. I need to do some further processing in matlab that involves ge...

ungefär 4 år ago | 0 answers | 0

### 0

answersQuestion

How to avoid loops

I have an array (3xN, day, longitude, temperature), a vector (10 elements long, TestLongitudes), and a longitude tolerance. I'm...

nästan 5 år ago | 1 answer | 0

### 1

answerMATLAB 2017a Database Toolbox update.m producing 'COUNT field incorrect '

Is this fixed in 2017b? If not, will it be fixed in a future release?

ungefär 5 år ago | 0

Solved

Narcissistic number ?

Inspired by Problem 2056 created by Ted. In recreational number theory, a narcissistic number is a number that is the sum of ...

mer än 6 år ago

Solved

Flag largest magnitude swings as they occur

You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

mer än 6 år ago

Solved

Make a run-length companion vector

Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

mer än 6 år ago

Solved

How many trades represent all the profit?

Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

mer än 6 år ago

Solved

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 ...

mer än 6 år ago

Solved

Implement simple rotation cypher

If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

mer än 6 år ago

Solved

Determine if a Given Number is a Triangle Number

*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

mer än 6 år ago

Solved

Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

ungefär 7 år ago

Solved

Too mean-spirited

Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

ungefär 7 år ago

Solved

Pizza value using expression with parentheses

Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

ungefär 7 år ago

Solved

Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

ungefär 7 år 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...

ungefär 7 år ago

Solved

The Goldbach Conjecture

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

ungefär 7 år ago

Solved

Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

ungefär 7 år 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 + ...

ungefär 7 år ago

Solved

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...

ungefär 7 år ago

Solved

De-dupe

Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

nästan 8 år ago

Solved

Create a row array using double colon operator

Create a row array from 9 to 1, using the double colon operator.

nästan 8 år ago

Solved

Fahrenheit to Celsius using multiple statements

Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

nästan 8 år ago

Solved

Circle area using pi

Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

nästan 8 år ago

Solved

Simple equation: Annual salary

Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

nästan 8 år ago

Solved

Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

nästan 8 år 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...

nästan 8 år ago

Solved

Stuff the Board

You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

nästan 8 år ago