18 total contributions since 2011

Answered

boxplot with vectors of different lengths

I ran into the same issue -- here's a quick re-wrapping of boxplot that can be called on a cell array containing vectors of vari...

boxplot with vectors of different lengths

I ran into the same issue -- here's a quick re-wrapping of boxplot that can be called on a cell array containing vectors of vari...

10 months ago | 3

Answered

How to load in a large number of data files with numbered names that skip numbers

How about something like this: path = 'C:\yourdir\'; filelist = dir([path 'experiment*']); for k=1:numel(filelist...

How to load in a large number of data files with numbered names that skip numbers

How about something like this: path = 'C:\yourdir\'; filelist = dir([path 'experiment*']); for k=1:numel(filelist...

3 years ago | 0

Solved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

4 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...

4 years ago

Solved

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

4 years ago

Solved

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...

4 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 ...

4 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...

4 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 ...

4 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...

4 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...

4 years ago

Solved

Determine if input is odd

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

4 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 ...

4 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:...

4 years ago

Question

Figure rendered with OpenGL shows distorted data

Hi, I'm running MATLAB 7.13.0.564 (R2011b) I believe the code below illustrates a bug in the OpenGL renderer. The two pl...

5 years ago | 1 answer | 1

Question

FFT of row and column vectors not equal?

The Matlab 2010a documentation on the fft function explains that: Y = fft(X) returns the discrete Fourier transform (DFT) of ve...

6 years ago | 1 answer | 0