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1. Google Brings Indic IME
2. প্রথম আলো ও অন্যান্য বাংলা অ-ইউনিকোডীয় সাইট গুগল ক্রোম ও মজিলা ফায়ারফক্স দিয়ে দেখুন
3. Google Sites – Home of my academic website

The BUET website management allows to upload 5 files at a time. So all I did was to create an index.html file with iframe set to my google site page.

Google sites give options to rapidly create a website. I edited a default theme to incorporate the BUET logo into the banner. Problem is, you can’t have any custom CSS or javascript code, and if you are logged in, the google icons appear overhead.

Nevertheless, it is where I am hosting all my course related materials.

My BUET page: teacher.buet.ac.bd/sajid

My actual Sites Page: sites.google.com/site/smcbuet/

Update: Some of my friends are also using this technique. I’ll keep link of their sites here:

Raisul  - http://teacher.buet.ac.bd/raisulislam (Hosting24)

Shanto – http://teacher.buet.ac.bd/ashfanoor (Google Sites)

বুকমার্ক

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1. Google Brings Indic IME
2. প্রথম আলো ও অন্যান্য বাংলা অ-ইউনিকোডীয় সাইট গুগল ক্রোম ও মজিলা ফায়ারফক্স দিয়ে দেখুন
3. Hosting in nxserve, the best free hosting!

• Offline Support – No dependency on internet connection.
• Word Completions – Dictionary based word completions for prefixes.
• Personalized Choices – Remember user corrections for personalized service.
• Easy Keyboard – Dictionary enabled keyboard to enter rare and complex words.
• Cool Customization – Customize suggestions page size, display font and more.

Beware, however that Google will be able to access every word you type, so careful what you are typing. Download it from : http://www.google.com/ime/transliteration/index.html Some people may have some difficulty with google update behind a firewall. (Especially my BUET colleagues). For them, here is a direct link to the installer. http://sites.google.com/site/sajiduc/my-files/googlebengaliinputsetup.zip

বুকমার্ক

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2. Bookmarklet for Google Dictionary
3. Moved out of NX-Serve to Free Bee Hosting

কতদিন দেখিনা মায়ের মুখ
শুনি না সেই কোকিল নামের
কালা পাখির গান
হায়রে পরান

হায় রে আমার গাঁয়ের বাড়ি
সারি সারি গরুর গাড়ি
মরা নদীর চর

দিঘির জলে হাঁসের খেলা
ঘরের চালে দুপুর বেলা
রঙ্গিলা কইতাম

উঠানে ছরাইনা সোনার ধান
হায়রে পরান

কতদিন ধরিনা ডোবায় মাছ
করি না সেই মরা নদীর
মিঠা পানি পান
হায়রে পরান

হায়রে আমার রাখল মিয়া
কাজলা গরুর গোসল দিয়া
মাঠে নিয়া যায়
বিকাল বেলা বাঁশের বনে
ঝিকি মিকি রোদের সনে
মন মিলাইতে চায়

ভুলিতে পারি না মাটির টান
হায় হায়রে পরান

কতদিন রাখিনা চাঁদের খোঁজ
দেখিনা সেই তারার চকের
মিছা অভিমান
হায় রে পরান

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Define It

ব্যবহার:

লেখা থেকে কোনও শব্দ নির্বাচন করুন ও Define It!  এ ক্লিক করুন। আপনার ব্রাউজার উইন্ডোতে সরাসরি শব্দের অর্থ দেখাবে

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2. প্রথম আলো ও অন্যান্য বাংলা অ-ইউনিকোডীয় সাইট গুগল ক্রোম ও মজিলা ফায়ারফক্স দিয়ে দেখুন
3. উবুন্টু ৮.০৪ (Ubuntu 8.04) ইন্সটল করলাম

!!!Spoiler Alert!!!

Without end

The “S” in Mozart’s D.S

Leo’s chaste neighbour

IESOUS CHRISTOS THEOU YIOS SOTER

Quicksilver

Scribe of Sidereus Nuncius was the first to see rings around it

Silence for Berlioz, Bizet and Bartok

Circle’s circumference divided by its diameter

Octothorpe

Sounds like a resident in the Garden of Eden

Hood ornament for Emil Jellinek’s daughter

French Monarch’s lily

Robert Langdon’s favourite symbol

Meditative chant

Opposing, yet unified

Greek Goddess of Triumph

Venus’ Hand Mirror

The Golden Ratio

Proofreader’s mark from the Latin “Delere”

Anagram of “Madras Pen”

The cross of Bogart’s Falcon

Who uses this symbol

An age in the hair of Broadway

Casanova, Mozart and Houdini had this in common

Zeus’ Games

The fork of Zeus’ younger brother

Centaur archer

One eyed man + two ravens

Alpha’s antithesis

Demisemiquaver

“Fourth rock” from the sun

Hieroglyph of seven body parts in one

Latin “recipe” offered by doctors

Kafka, Poe or Khepri Embodied

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Prothom Alo and other Bangla news papers use non Unicode fonts. These pages cannot be viewed properly using Firefox or Google Chrome.

Use this bookmarklet to convert sites such as Prothom Alo, … to Unicode

[ইউনিকোড]

This bookmarklet is recommended. Drag it to your bookmark bar, and click on it to correct Bangla rendering in Firefox or Chrome

[Ascii 2 Uni Bangla]

News sites use three type of encoding. Use these bookmarklets to Change manually, the encoding of the page. (If you select the wrong encoding, press refresh to reload the page)

[BijoyMJ 2 UniBangla]

Used in amadershomoy.com, ittefaq.com, bhorerkagoj.net, manabzamin.net, jaijaidin.com

[BijoyShamokal 2 UniBangla]

Used in shamokal.com

[Alpona 2 UniBangla]

Used in Prothom Alo

To learn more about how to use a bookmarklet, in Internet Explorer, Firefox, and Google Chrome visit:

http://t13n.googlecode.com/svn/trunk/blet/docs/help_bn.html

If you are using firefox, or using chrome with grease monkey, you can add the script directly without needing to press the bookmarklet every time.

Declaration: The Grease monkey scripts are largely adapted, and to be more specific, copy-pasted and minorly edited from the Poroshmoni extesion by Rifat Nabi . Special thanks to him for providing the firefox extension. However, in the firefox extension page, no license is specified for the extension. So it might be copyright protected. This article is for educational purpose only, following the “Fair Use” policy of US Copyright law. You are forbidden to use this information for commercial purpose

বুকমার্ক

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1. Google Sites – Home of my academic website
2. গুগল বাংলা আক্ষরিক অনুবাদ
3. Google Brings Indic IME

Using the Wordpress for Latex Plugin, I’m able to use Latex Equations in my post now

This might come in handy, for explaining some equations here. I could not install Latex on my webserver, so I am just using the default public server given by wordpress

http://wordpress.org/extend/plugins/latex/

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2. Hosting in nxserve, the best free hosting!
3. বঙ্গাব্দ (বাংলা তারিখ) ওয়ার্ডপ্রেস প্লাগ ইন

বুকমার্ক

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1. প্রথম আলো ও অন্যান্য বাংলা অ-ইউনিকোডীয় সাইট গুগল ক্রোম ও মজিলা ফায়ারফক্স দিয়ে দেখুন
2. বঙ্গাব্দ (বাংলা তারিখ) ওয়ার্ডপ্রেস প্লাগ ইন
3. Google Sites – Home of my academic website

Most people programming at Matlab first get accustomed to some other programming languages like C, C++, Java or even Visual Basic. They learn tactics of manipulating arrays with loops. But as more and more loops are added to a program, the clumsier it gets. In Matlab also, the techniques learned at the previous mentioned languages can apply. But Matlab has some other advantages. In Matlab, every variable is a matrix. This gives some inherent advantages of matrix manipulation. In C, (and in C++ without having a custom class) you will not be able to do a matrix multiplication by simple A*B, in Matlab, you have a provision of doing so.

Ok let’s start with some basic array operations. These may not be arcane secrets, still it’s always good to know.

Identity Matrix, Zero Matrix and Unity Matrix

n = 3;
A = eye (n); %creates n x n identity matrix
A = eye (n, 1); %creates n x 1 identity matrix
A = zeros(n); % creates n x n zero matrix (all elements zero)
A = ones(n); %  creates n x n  matrix (all elements one)

A set of linearly increasing values

This one is useful if you are making a sine wave or other functions.  linspace (initialvalue, finalvalue, number of samples)

t = linspace (0, 2*pi, 1000); %creates linearly increasing array with values 0 to 2*pi
S = sin (t);  % creates the sine wave

Accessing a particular row or column

A(i,:) = 1 % makes all the elements of row i of matrix/vector A equal to 1.
A(:,i) = 1 % does the same thing with column 1.
B = A(i,:) % stores row i in a row vector B

Accessing more than one rows/columns simultaneously

A = ([1,
A([i,j],:) = 1 % makes all elements of rows i and j equal to 1
B = A(:,[i,j])% B is a matrix with columns i and j of A as its two columns

Swapping rows / columns

A([i,j],:) = A([j,i],:) % swaps the elements of rows i and j
A(:,[i,j]) = A(:,[j,i]) % swaps the column elements of col i and col j

Replacing Values of A

To make a unipolar signal bipolar:

A = double(A); % required if the signal is of boolean type
A (A==0) = -1;

The find( ) function

Used to find index of elements satisfying some condition.

find(A) % returns indices of all non-zero elements
find(A > 5) % finds indices of all elements greater than 5.
length(find(A==1)) %number of ones in A

Inserting blank Rows / Columns:

A = [zeros(1,n-1); A]; % insert column
A = [A zeros(n,1)]; %insert Row

Repeating or tiling a Matrix

Use repmat() to tile matrix to form a larger version.

A = [1 2 3; 4 5 6]

A =

1 2 3
4 5 6

>> repmat(A, 3, 3)

ans =

1 2 3 1 2 3 1 2 3

4 5 6 4 5 6 4 5 6
1 2 3 1 2 3 1 2 3
4 5 6 4 5 6 4 5 6
1 2 3 1 2 3 1 2 3
4 5 6 4 5 6 4 5 6


Deleting a row/column of a matrix

A(i) = [] % Deletes the i-th element of a row/column vector A

A(i,:) = [] % Deletes an entire row
A(:,i) = [] % Deletes an entire row

Chaning Size of Matrix

Wanna make a 3×4 matrix a 2×6 Matrix?
use the reshape command

A = [2 3 4 5; 6 7 8 9]

A =

2 3 4 5
6 7 8 9

>> reshape (A, 4, 2)

ans =

2 4

6 8
3 5
7 9


If you want to make only a vector,
B = A(:);

Warning: reshape, *ALWAYS* takes data from columns, and put them in column serially. You may get unexpected result, if, you want the data to be taken from rows instead. Try to transpose the matrix (A') instead.

Ctrl+C. Break the running loop of Matlab.

You may need to select the command window first to activate this.

Making Plots pretty

http://blogs.mathworks.com/loren/2007/12/11/making-pretty-graphs/
http://blinkdagger.com/matlab/matlab-tips-and-tricks-on-creating-better-figures-and-plots
http://www.nada.kth.se/~hjorth/matlab/

Repeating Values of a Matrix

Kronecker Tensor Product

Use the Kronecker Tensor Product function (kron),

A = [1 2 3]

A =

1 2 3

>> kron (A, ones(1, 3))

ans =

1 1 1 2 2 2 3 3 3

Tony’s Trick

B = A(ones(3,1),:)
*Example:
>> A =[1 2 3] % A is a row vector

>> B = A(ones(3,1),:)
>> B =

1 2 3
1 2 3
1 2 3

>> A = [1 ; 2 ; 3] % A as a column vector

>> B = A(:,ones(3,1))

>> B =

1 1 1
2 2 2
3 3 3

And WOW! it’s really faster for replication in one dimension! For matrix A given above:
Elapsed time is 0.014354 seconds. %Using repmat()function
Elapsed time is 0.000063 seconds. %Using Tony’s trick

Repeating Matlab row elements:

Based on the Tony’s trick mentioned above, this is a program I’ve written for the ‘time scaling’ a matrix by repeating elements.

 %time scaling
function y = timescale (Mat, L)
[m, n] = size(Mat);
temp = zeros(m, n*L);
for i = 1:m
cur_row =Mat(i,:);
cur_row = cur_row (ones(1,L),:);
temp(i,:) = reshape(cur_row, 1, n*L);
end
y = temp;
end

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