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# Toby Driscoll

### University of Delaware

Last seen: etwa 2 Monate vor Aktiv seit 2003

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Not responding on startup, macOS Mojave
For me the key was adding MATLAB to System Prefs / Security & Privacy / Accessibility. I'm running DFX, Dropbox, Google Drive St...

mehr als 2 Jahre vor | 0

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Fundamentals of Numerical Computation
Codes and other resources for the textbook Fundamentals of Numerical Computation.

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showall
Show all open or selected figures in a grid.

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Schwarz-Christoffel Toolbox
Computes conformal maps to polygons, allowing easy solution of Laplace's equation.

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IEEE 754 binary representation
Converts a double into its underlying 64-bit representation, including sign, exponent, and mantissa.

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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...

mehr als 10 Jahre vor

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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

mehr als 10 Jahre vor

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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...

mehr als 10 Jahre vor

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

mehr als 10 Jahre vor

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

mehr als 10 Jahre vor

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

mehr als 10 Jahre vor

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

mehr als 10 Jahre vor

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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...

mehr als 10 Jahre vor

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

mehr als 10 Jahre vor

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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 ...

mehr als 10 Jahre vor

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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...

mehr als 10 Jahre vor

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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:...

mehr als 10 Jahre vor

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Finite difference weights
Finds finite difference (or interpolation) weights for an arbitrary set of nodes in one dimension.

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Sparse Toeplitz matrix construction
Produces a sparse Toeplitz matrix given only the first row and column, like built-in Toeplitz.

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latex
Output a matrix in LaTeX format.

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unplot
Removes the most recently drawn object(s).

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Automatic validation of software
Validate software using a test library of functions in a directory.

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HTML calendar generator
HTMLCAL creates a web page with nicely formatted monthly calendars over a date range of your choosin

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Piecewise defined function builder
Constructs a callable function that applies different definitions based on supplied conditions.

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Circumvention of the Gibbs phenonmenon though Pade approximations with singularities

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outselect.m
Select or reorder any function's output arguments.

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inputgui
A simple, flexible, and overridable graphical replacement for INPUT.

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gslope
Compute the slope between two selected points.