## Useful keyboard shortcuts for MS Word

workable for Office 365

- add bullet: control+shift+L
- clear formatting: control+shift+N

## Microsoft Word 2016 Autocorrection English

If you would like to change the languarate that the autocorrection is based on,

Review tab->Langurage->Set proofing languarage->Change the language from British to American and disable “Detect language automatically” (your computer is British)

You may also need to go to

File tab->Options->Language->Choose Editing language: from British to American English

## Matlab cell, legend

str={};

for i=1:n

str=[str, strcat(‘idx=’,num2str(i))];

end

legend(str, ‘location’,’SouthWest’)

## Relation between eigenvalue and singular value

For any square matrix A, we have

where are the singular values, and are the eigenvalues.

**Proof of the right half of the inequality:**

See Topics in matrix analysis: page 151, Corollary 3.1.5

**Proof of the left half of the inequality:**

First, we have

To verify, it is easy to see and .

Second, applying the right half of the inequality gives

## Matlab mod

if you would like to achieve something like this:

1 2 3 4->1 2 3 4

-1 0->2 4

5 6->1 2

you should use

**mod(i-1,n)+1**

where n=4

## Graphical meaning of power of adjacency matrix

## Set default initial page view in adobe reader

It’s not that easy, but I finally fixed it.

There are three options provided by Adobe Reader.

- File->properties->Initial view
- Edit->preferences->Page display->Default layout and zoom
- Edit->preferences->Accessibility->Override page display

Many people recommend the second way, but it does not work for me.

The first option works, but only for one single PDF.

The third one works for all PDF for me!!! I found it here

http://superuser.com/questions/349971/how-do-i-set-default-view-preferences-in-adobe-acrobat