Added empty chebyshev algorithms lab.
Merge branch 'master' into cheb
Merge branch 'master' into cheb
Included a tutorial on PyWavelets, a new image, and a plotFigs file.
Removed redundant material presented in the previous Wavelet lab.
Took out a section of the WaveletApps lab. Added an image.
Added a solutions file. Fixed a couple of errors in the lab.
Merge branch 'develop' of https://github.com/byuimpact/numerical_computing into cheb
Introduced Chebyshev nodes.
Added section introducing Chebyshev polynomials to the Chebyshev lab.
Merge pull request #402 from AZaitzeff/optim

Added a simple example, then I got rid of everything with integers
Added fourier series section to the first chebyshev lab.
Couple minor changes to multivariate finite differences lab.
Added some solutions to first Chebyshev lab.
Made a very minor typo correction to the Barycentric interpolation lab.
Added a section to the first chebyshev lab introducing NumPy's Chebyshev
class.
Updated the solutions file for the first chebyshev lab.
Couple more corrections to multivariate finite diff lab, and added
some updated solutions to the solutions file.
Merge pull request #398 from abefrandsen/wavelet

Wavelet
Merge pull request #399 from abefrandsen/beamBuckling

Added a solutions file. Fixed a couple of errors in the lab.
Added plot script for first chebyshev lab.