偶尔用一下,长时间不用又容易忘记

  • intersect()

Set intersection.

  • dec2bin()

Convert decimal integer to a binary string.

  • spones()

Replace nonzero sparse matrix elements with ones.

  • eigs()

Find a few eigenvalues and eigenvectors of a matrix using ARPACK.

  • svds()

Find a few singular values and vectors.

  • wavedec()

Multi-level 1-D wavelet decomposition.

  • randperm()

Random permutation.

  • cumsum()

Cumulative sum of elements.

  • unique()

Set unique.

  • kron()

Kronecker tensor product.

  • A = cell(3,4); A{1,1} = rand(4);

Cell array.

  • eps

Machine epsilon.

  • scatter()

Color plot.

Advertisements

0 Responses to “偶尔用一下,长时间不用又容易忘记”



  1. Leave a Comment

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s




Categories

Blog Stats

  • 246,614 hits

%d bloggers like this: