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Rob McDonald


Last seen: 7 months ago |  Active since 2011

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Question


Plotting N-gons with multi-valued vertex color data
I have had success in the past using patch() to plot triangle data with nodal colors -- where the color at the node can differ d...

1 year ago | 0 answers | 0

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answers

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Hatched Lines and Contours
Draw lines and contours with hatches on one side of the line.

3 years ago | 6 downloads |

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ptlabel_along
Label points along a curve in MATLAB with nice offset

3 years ago | 1 download |

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clabel_along
Label contours along a curve in MATLAB

3 years ago | 1 download |

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PropDBTools
Tools for working with the UIUC Propeller Data Site data in Matlab

3 years ago | 3 downloads |

Question


Anonymous function to class property method.
I have a situation somewhat like the following mockup: absfoo.m classdef (Abstract) absfoo methods (Abstract) [f...

5 years ago | 1 answer | 1

1

answer

Question


How can you create local variables from class properties?
Is there a way to automatically create local variables corresponding to a class' properties? Lets say I have a class instance f...

5 years ago | 1 answer | 1

1

answer

Solved


How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

9 years ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

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


Rosenbrock's Banana Function and its derivatives
Write a function to return the value of <http://en.wikipedia.org/wiki/Rosenbrock_function Rosenbrock's two-dimensional banana fu...

9 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

9 years ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

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


Fixed-Point Iteration
Perform fixed-point iteration to estimate the root of a nonlinear equation.

9 years ago

Solved


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

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


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

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


Add two numbers
Given a and b, return the sum a+b in c.

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


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


Polygon envelope of a 3D array
I've written the attached function to find the polygon envelope of structured data in a 3D array. It works, but is very slow fo...

10 years ago | 1 answer | 0

1

answer

Submitted


Carpet Plot Toolkit
A set of routines to make carpet plotting easier.

11 years ago | 20 downloads |

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Submitted


Constrained Hermite Taylor Series Least Squares
Estimate Derivatives on Scattered or Unstructured Mesh.

13 years ago | 1 download |