# Rick Rosson

### MathWorks

Attivo dal 2011

Followers: 0   Following: 0

Software, modeling, and simulation engineer. Former Senior Applications Engineer at MathWorks. Professional interests include: digital signal processing, statistical signal processing, control system design, dynamic system modeling and simulation, data analysis and visualization.

All

#### Feeds

Visto da

Risolto

oltre 8 anni fa

Risolto

MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

oltre 8 anni fa

Risolto

Sum the squares of numbers from 1 to n
For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...

oltre 8 anni fa

Risolto

Golden ratio
Calculate the golden ratio. Hint: phi^2 = phi + 1.

oltre 9 anni fa

Risolto

Sum of odd numbers in a matrix
Find the sum of all the odd numbers in a matrix. Example x = [2 3 5 7 1 4 11] y = 27

oltre 10 anni fa

Risolto

Edges of a n-dimensional Hypercube
Return the number of edges on an <http://en.wikipedia.org/wiki/Hypercube _n_-dimensional hypercube> (with an integer n &ge; 0). ...

circa 11 anni fa

Risolto

Number of vertices of a hypercube
Return the number of vertices of a n-dimensional hypercube.

circa 11 anni fa

Risolto

Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...

circa 11 anni fa

Risolto

Generate pi using logarithm
Generate pi using logarithm

circa 11 anni fa

Risolto

Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

circa 11 anni fa

Risolto

Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

circa 11 anni fa

Risolto

Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

circa 11 anni fa

Risolto

Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

circa 11 anni fa

Risolto

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

circa 11 anni fa

Risolto

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

circa 11 anni fa

Risolto

The Dark Side of the Die
It is well-known that opposite sides of a classic hexahedral die add to 7. Given a vector of dice rolls, calculate the sum of th...

circa 11 anni fa

Risolto

Output any real number that is neither positive nor negative
Output any real number that is neither positive nor negative

circa 11 anni fa

Risolto

Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

circa 11 anni fa

Risolto

Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

circa 11 anni fa

Risolto

Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

circa 11 anni fa

Risolto

Multiply 2 numbers
Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

circa 11 anni fa

Risolto

Fahrenheit to Celsius converter
Convert Fahrenheit to Celsius degrees.

circa 11 anni fa

Risolto

Perimeter
Given a sequence of points forming a closed path (first and last points are coincident) return the perimeter value. For example...

circa 11 anni fa

Risolto

Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

circa 11 anni fa

Risolto

The Answer to Life, the Universe, and Everything
A variation of a previous Hitchhiker's Guide to the Galaxy problem. *Inputs:* Life, the Universe, and Everything *Output:*...

circa 11 anni fa

Risolto

Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

circa 11 anni fa

Risolto

Periodic Table 101.
Given the atomic number (z), answer the symbol for that particular element of the <http://en.wikipedia.org/wiki/Periodic_table/ ...

circa 11 anni fa

Risolto

Special Relativity 101.
Special relativity states that the mass of an object varies as a function of its velocity. If *c* is the speed of light (c appro...

circa 11 anni fa

Risolto

CONVERT TAN TO SIN
In a right angle triangle ABC given the tan(A) then find sin(A) For example tan(A)=3/4 then sin(A)=3/5

circa 11 anni fa

Risolto

Celcius to Kelvin
Convert Celsius degrees to Kelvin temperature.

circa 11 anni fa