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Matthew


Sandia National Laboratories

Last seen: 10 months ago |  Active since 2012

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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...

9 years ago

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 ...

9 years 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...

9 years ago

Solved


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

9 years 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 ...

9 years 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...

9 years 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 ...

9 years 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...

9 years ago

Solved


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

9 years 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:...

9 years ago

Question


Why does import data hang up on 70 Mb file?
I'm trying to import data files consisting of lots of numbers from a text file. The data are not in columns they are just space...

9 years ago | 1 answer | 0

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Question


How to graphically display a struct?
Hello, I've created a struct and I would like describe it graphically in the documentation of my code. Is there a way to gener...

10 years ago | 1 answer | 0

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Question


How can I see Toolbox documentation in the Help file in 2013a?
I've written several of my own toolboxes for Matlab2012. When I upgraded to Matlab2013a, I can no longer find the documentation...

10 years ago | 0 answers | 0

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Question


How do i make a GUI function that outputs results to a new text window rather than the workspace?
I have a GUI that reads a file and then outputs file characteristics to the workspace using a series of fprintf commands. Beca...

12 years ago | 1 answer | 0

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