MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn moreOpportunities for recent engineering grads.

Apply Today**New to MATLAB?**

Given an input vector containing a cosine wave of unknown frequency, produce an output vector of the same length containing a cosine wave of twice the input frequency. The output should have the same mean and amplitude as the input.

19 correct solutions
69 incorrect solutions

Last solution submitted on Jan 30, 2015

1 Comment