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Sarah Wait Zaranek

MathWorks

Active since 2011

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Professional Interests: parallel computing, geophysics

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Submitted


Large Data Sets in MATLAB Webinar Examples
Example code from "Large Data Sets in MATLAB " webinar (http://www.mathworks.com/wbnr33692)

ungefär 8 år ago | 1 download |

Submitted


parTicToc
This is a utility for timing PARFOR loops.

ungefär 8 år ago | 1 download |

Solved


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

ungefär 11 år ago

Solved


Find state names that end with the letter A
Given a list of US states, remove all the states that end with the letter A. Example: Input s1 = 'Alabama Montana Nebras...

mer än 11 år ago

Solved


Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

mer än 11 år ago

Answered
Array manipulation ... a better way?
You can do this with logical indexing (and not a for-loop) q = zeros(length(p(:,1)),1); Find where the first column is e...

mer än 11 år ago | 0

| accepted

Answered
load several (one after another ) .mat Files via a For-Loop Job
Unless I am missing something, I think the easiest thing would be to do a nested for loop. for ii = 1: Number load(['co...

mer än 11 år ago | 6

| accepted

Answered
How to fit histogram data with normfit using signed X-axis ?
Probably the easiest way to handle this, if you like what the distribution fitting tool is doing, is to autogenerate code from ...

mer än 11 år ago | 0

| accepted

Answered
Reproducing the "Evaluate" function from "basic fitting" GUI directly in code
You can use the polyfit function to fit your data programatically. You can then use polyval to evaluate the polynomial at a giv...

mer än 11 år ago | 0

| accepted

Solved


Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

mer än 11 år ago

Solved


Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provide...

mer än 11 år ago

Solved


Find the two-word state names
Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...

mer än 11 år ago

Solved


Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

mer än 11 år ago

Solved


Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

mer än 11 år ago

Solved


Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

mer än 11 år ago

Solved


Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

mer än 11 år ago

Solved


Renaming a field in a structure array
MATLAB has a <http://www.mathworks.com/help/techdoc/ref/setfield.html setfield> and a <http://www.mathworks.com/help/techdoc/ref...

mer än 11 år ago

Solved


Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

mer än 11 år ago

Solved


Maximum running product for a string of numbers
Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

mer än 11 år ago

Solved


Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

mer än 11 år ago

Answered
Question regarding the Spredsheet link EX tool
These sections in the documentation should walk you through the basics of using Spreadsheet Link EX. http://www.mathworks.com...

mer än 11 år ago | 0

Answered
Error running parallel simulations
It looks like your mex file is still being used in MATLAB memory. You can try to see if clearing mex files will help, clea...

mer än 11 år ago | 0

Answered
sharing matrix in parfor
There is no way to do shared memory automatically in a parfor loop. However, depending on where the data is located - there may...

ungefär 12 år ago | 1

Solved


Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

mer än 12 år ago

Solved


Number of 1s in the Binary Representation of a Number
*Description* Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be ab...

mer än 12 år ago

Solved


Summing Digits within Text
Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

mer än 12 år ago

Solved


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

mer än 12 år ago

Answered
Sscanf /sprintf usage
I think this is your issue -- From doc for sscan - "Format specifiers for the reading functions sscanf and fscanf differ f...

mer än 12 år ago | 0

| accepted

Answered
How to Save Matrices to excel multiple times with incremental excel name to avoid overwrite
The easier way to to construct a new filename within the loop by converting the index to a string and adding it the original nam...

mer än 12 år ago | 2

| accepted

Solved


Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

mer än 12 år ago

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