Community Profile

photo

Andrew Davis


McMaster University

Last seen: 7 months ago Active since 2012

Professional Interests: MR Imaging, Image Processing, Signal Processing, Medical Physics

Statistics

All
  • Personal Best Downloads Level 2
  • First Review
  • 5-Star Galaxy Level 3
  • First Submission
  • Revival Level 1
  • Knowledgeable Level 1
  • First Answer
  • Commenter
  • Solver

View badges

Content Feed

View by

Answered
The position of x-label is reset to the original position when printing a 'boxplot' figure
I had this same problem -- very frustrating! Especially since <http://www.mathworks.com/support/solutions/en/data/1-BNAHS4/?prod...

9 years ago | 0

Answered
How to save an image with an overlay mask applied to it?
Alphamask is a display tool. Your 'OverlayMask' variable is a scalar because alphamask returns a handle to the graphic. If you...

9 years ago | 1

| accepted

Submitted


GETCLIM: Suggest appropriate values for colormap limits
Determines thresholds such that 2% of data values will be mapped to the extremes of the colormap

9 years ago | 1 download |

Thumbnail

Submitted


STATMASK: Overlay image with coloured statistical mask
Overlay an image with a thresholded statistical mask. The mask values are not rescaled.

9 years ago | 1 download |

Thumbnail

Submitted


WelchWin: Welch (parabolic) window function
The function returns a parabolic window of length n. This is useful for spectral estimation.

10 years ago | 1 download |

Thumbnail

Submitted


ISEQUALFP: Check equality within floating point precision
Accepts two values, returns a logical indicating if they are equal within floating point precision

10 years ago | 2 downloads |

Thumbnail

Submitted


FFTWN: Round up to efficient FFT integer
Accepts an integer n. Returns m>=n that is an optimum data length for fast FFT computation

10 years ago | 1 download |

Thumbnail

Submitted


CHKZIP: check whether a file is a compressed archive
chkzip checks whether the file is a compressed archive and attempts to unpack it

10 years ago | 2 downloads |

Thumbnail

Solved


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

10 years ago

Solved


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

10 years ago

Solved


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

10 years ago

Solved


Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

10 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 ...

10 years ago

Solved


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

10 years ago

Solved


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

10 years ago

Solved


Read a Soroban Abacus
*Description* The Soroban is the name of the modern Japanese abacus. Information on reading a Soroban can be found <http://we...

10 years ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

10 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...

10 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 ...

10 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...

10 years ago

Solved


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...

10 years ago

Solved


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...

10 years ago

Solved


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

10 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...

10 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:...

10 years ago

Submitted


SEROUND: Round value and standard error
Input: value and associated standard error (or deviation) Output: string of rounded value +/- error

10 years ago | 1 download |

Thumbnail

Submitted


FHROI: Interactive freehand ROI
Interactively specify 2D freehand ROI

10 years ago | 1 download |

Thumbnail

Submitted


ALPHAMASK: semi-transparent image overlay
Overlay image with semi-transparent mask and return handle

10 years ago | 4 downloads |

Thumbnail

Submitted


PWLINT: Piecewise Linear Integration
Return positive and negative areas, assuming a piecewise linear function

10 years ago | 1 download |

Thumbnail