# Jos Martin

### MathWorks

Director Of Engineering - Cloud Integration and Parallel Computing.

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**Content Feed**

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...

2 years ago

Solved

Piecewise linear interpolation

Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

3 years ago

Solved

How to subtract?

*± ± ± ± ± ± ± ± ± ± ±* * Imagine you need to subtract one...

4 years ago

Submitted

Port Passing Problem

Monte-carlo and analytic investigation of a random walk process

5 years ago | 1 download |

Submitted

Hydrogenic Wavefunction Visulization Tool

Visualize hydrogenic wave-functions in 3D and watch animations of atomic state changes

5 years ago | 13 downloads |

Submitted

Cluster setup scripts

Shell scripts to easily control a MATLAB distributing computing cluster

5 years ago | 4 downloads |

Submitted

Visual Timing Report for Distributed Tasks

Create a visual representation of when and where each task in a distributed computing job executes.

5 years ago | 2 downloads |

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...

9 years ago

GPU computing with OS X 10.8 and retina macbook

We believe that the hang you are seeing relates to the CUDA driver recompiling all of the GPU libraries to run on the particular...

9 years ago | 4

Matlab not recognizing cuda driver 5

There appears to be an interaction between "automatic graphics switching" in Mountain Lion and the underlying NVIDIA drivers. Co...

9 years ago | 0

Solved

Function composition - harder

Write a function that accepts an arbitrary number of function handles f_1, f_2, ..., f_n and returns the composition h. That is,...

9 years ago

Solved

Determine if input is odd

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

9 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...

9 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 ...

9 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...

9 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:...

9 years ago

What is the maximum number of Process Cards can be used for GPU computing with Parallel Computing Toolbox 5.0 (R2010b)?

Each MATLAB or worker can access one GPU at a time. Since the Parallel Computing Toolbox currently ships with 8 local workers, y...

11 years ago | 0