Professional Interests: parallel computing, geophysics

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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)

nästan 4 år ago | 2 downloads |

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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...

nästan 7 år ago

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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 7 år ago

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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 7 år ago

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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...

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 7 år ago | 0

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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...

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 7 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 ...

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 7 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...

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 7 år ago | 0

| accepted

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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 7 år ago

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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 7 år ago

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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 7 år 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...

mer än 7 år ago

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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 7 år ago

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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 7 år ago

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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 7 år ago

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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 7 år ago

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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 7 år ago

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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 7 år 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...

mer än 7 år ago

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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...

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 7 år ago | 0

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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...

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 7 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...

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...

mer än 7 år ago | 1

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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...

nästan 8 år ago

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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...

nästan 8 år ago

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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...

nästan 8 år 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...

nästan 8 år ago

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Sscanf /sprintf usage

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

Sscanf /sprintf usage

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

ungefär 8 år ago | 0

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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...

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...

ungefär 8 år ago | 2

| accepted

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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...

ungefär 8 år ago