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Rick Rosson

MathWorks

Active since 2011

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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.

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Your favourite city!
Type your favourite city.

9 years ago

Solved


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

9 years ago

Solved


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 + ...

9 years ago

Solved


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

10 years ago

Solved


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

11 years ago

Solved


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). ...

12 years ago

Solved


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

12 years ago

Solved


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...

12 years ago

Solved


Generate pi using logarithm
Generate pi using logarithm

12 years ago

Solved


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...

12 years ago

Solved


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...

12 years ago

Solved


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 --> ...

12 years ago

Solved


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...

12 years ago

Solved


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

12 years ago

Solved


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...

12 years ago

Solved


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...

12 years ago

Solved


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

12 years ago

Solved


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...

12 years ago

Solved


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

12 years ago

Solved


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

12 years ago

Solved


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

12 years ago

Solved


Fahrenheit to Celsius converter
Convert Fahrenheit to Celsius degrees.

12 years ago

Solved


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

12 years ago

Solved


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!

12 years ago

Solved


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:*...

12 years ago

Solved


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] ...

12 years ago

Solved


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

12 years ago

Solved


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...

12 years ago

Solved


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

12 years ago

Solved


Celcius to Kelvin
Convert Celsius degrees to Kelvin temperature.

12 years ago

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