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Andrew Davis


McMaster University

29 total contributions since 2012

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

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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...

circa 6 anni 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...

oltre 6 anni 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

oltre 6 anni ago | 0 downloads |

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Submitted


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

oltre 6 anni ago | 1 download |

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Submitted


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

circa 7 anni ago | 2 downloads |

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Submitted


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

oltre 7 anni ago | 3 downloads |

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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

oltre 7 anni ago | 1 download |

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Submitted


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

oltre 7 anni ago | 0 downloads |

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Solved


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

oltre 7 anni 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...

oltre 7 anni 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...

oltre 7 anni 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...

oltre 7 anni 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 ...

oltre 7 anni 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...

oltre 7 anni ago

Solved


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

oltre 7 anni 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...

oltre 7 anni 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...

oltre 7 anni 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...

oltre 7 anni 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 ...

oltre 7 anni 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...

oltre 7 anni 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...

oltre 7 anni 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...

oltre 7 anni ago

Solved


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

oltre 7 anni 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...

oltre 7 anni 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:...

oltre 7 anni ago

Submitted


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

oltre 7 anni ago | 0 downloads |

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Submitted


FHROI: Interactive freehand ROI
Interactively specify 2D freehand ROI

oltre 7 anni ago | 1 download |

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Submitted


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

oltre 7 anni ago | 9 downloads |

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Submitted


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

oltre 7 anni ago | 1 download |

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