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# Joe S

### Roswell Park Cancer Institute

18 total contributions since 2012

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Finding average of every nth row?
These answers work when dim=1 but appears to fail for ndims =2 (multiple columns). To average nRows together (variable "gps") f...

fast 2 Jahre ago | 0

Find closest value in array
To compute the closest value in a vector “N” for each element of “V”, try the following code with example vectors “N” and “V”: ...

etwa 2 Jahre ago | 7

| accepted

1) Be sure to pass the "handles" variable to your subfunctions, so they can "communicate" with your GUI as properties (e.g. stri...

etwa 3 Jahre ago | 0

Error message: Undefined function or variable 'divide'.
For element by element division, just use ./ (use of / *without* the leading period is matrix division, likely *not* what you wa...

etwa 3 Jahre ago | 0

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 ...

mehr als 6 Jahre ago

Solved

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

mehr als 6 Jahre ago

Solved

Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

etwa 7 Jahre ago

Solved

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

etwa 7 Jahre 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...

etwa 7 Jahre ago

Distance between 2 points in an image.
Check *ginput* function http://www.mathworks.com/help/matlab/ref/ginput.html can get multiple x & y, then do (pseud...

mehr als 7 Jahre ago | 0

I'd like to force my exponential fit to start at [0 0]
Not sure if it will fix it, but remember an exponential function can never equal zero unless your A1 & A2 are both 0 (which you ...

mehr als 7 Jahre ago | 0

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 ...

etwa 8 Jahre 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...

mehr als 8 Jahre 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 ...

mehr als 8 Jahre 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...

mehr als 8 Jahre ago

Solved

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

mehr als 8 Jahre 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:...

mehr als 8 Jahre 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...

mehr als 8 Jahre ago