# Sarah Wait Zaranek

### MathWorks

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Large Data Sets in MATLAB Webinar Examples

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

7 years 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...

11 years 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...

11 years 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...

11 years ago

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...

11 years ago | 0

| accepted

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...

11 years ago | 6

| accepted

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 ...

11 years ago | 0

| accepted

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...

11 years 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...

11 years 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...

11 years 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...

11 years ago

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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...

11 years 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...

11 years 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 ...

11 years 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...

11 years 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...

11 years 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...

11 years 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...

11 years ago

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Trimming Spaces

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

11 years ago

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...

11 years ago | 0

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...

11 years ago | 0

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...

11 years 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...

12 years 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...

12 years 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...

12 years ago

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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...

12 years ago

Sscanf /sprintf usage

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

12 years ago | 0

| accepted

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...

12 years 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...

12 years ago