it a beginners introduction to computer programming

... first language was English I had to learn Arabic and Italian By the time I was nine I was preparing to return to an English prep school so I was also learning Latin from a private tutor and French ... your imagination For example, it is not that hard to program a computer to play chess, just very hard to write a program to play sensibly, which is why we leave it to experts to write chess-playing ... that match powerful ideas C++ has one small failing in that the basic language lacks tools for graphical work That was easily fixed because I could write those tools in C++ and make them available...

Ngày tải lên: 31/05/2014, 23:29

... out all variables so they no longer exist clear variablename clears out a particular variable clear variablename1 variablename2 clears out a list of variables (note: separate the names with spaces) ... many operators and built-in functions that can be used in interactive expressions 1.1 GETTING INTO MATLAB MATLAB is a mathematical and graphical software package with numerical, graphical, and ... values are not known ahead of time Most languages also have the capacity to store constants, which are values that are known ahead of time and cannot possibly change An example of a constant value...

Ngày tải lên: 23/03/2014, 15:53

... JavaScript provides a thing called a variable var caught = * 5; A variable always has a name, and it can point at a value, holding on to it The previous statement creates a variable called caught ... bits are available to store them This is a shame, but it causes practical problems only in very specific situations The important thing is to be aware of it and treat fractional digital numbers as ... break these rules as bad programmers What hostility to the richness of programming to try to reduce it to something straightforward and predictable and to place a taboo on all the weird and beautiful...

Ngày tải lên: 28/04/2014, 16:57

... travel along the visual pathways forward and backward, in parallel and serially, thanks to a fascinating chain of chemical and electrical processes in the brain, in particular to, from, and within ... to layers and 3, whereas cells in layers and project to layers and Layers and also provide inputs to adjacent cortical areas Cells in layer provide inputs to adjacent cortical areas as well as ... retinal surface is not a flat plane; rather, it is a spherical surface This is a difference in comparison to a human-made camera box, where the sensing surface is usually a flat plane One can argue...

Ngày tải lên: 05/06/2014, 11:59

... Variables Typically, the name of a variable is bound to a particular area and amount of RAM (defined by its data type), and any operations on a variable will manipulate that associated area of ... usage and where applicable, numerical limits Chapter 3, Operators Here I explain the basic means to actually assign values to variables and explain what operators are needed for calculating data ... assign a value to a variable as well as being used as an equality operator to test that two variables or values are equal = (Equals) This is probably the easiest operator to explain even though it...

Ngày tải lên: 17/10/2014, 14:08

... academic world ARPAnet is a pain in the rear to use, and doesn't transmit visuals of fighter planes mixing it up But unlike the glitzy Plato, ARPAnet is really hackable and now has what it takes ... monopoly with its high long distance rates, and a hefty tax that Hoffman and many others refuse to pay as their protest against the Vietnam War What better way to pay no phone taxes than to pay no ... vulnerability that can be used to break into that computer SATAN can be used by a sysadmin to figure out how to make his or her computer safe Or it may be just as easily used by a computer criminal...

Ngày tải lên: 20/10/2014, 14:43

... in its ability to manipulate and store data The speed at which computers can manipulate data, and the amount of data they can store, has increased dramatically over the years doubling about every ... Fortran text book 1.2 Computers and Programming and Fortran A computer is an automatic device that performs calculations, making decisions, and has capacity for storing and processing vast amounts ... 5.*X**(-0.8)) 12 A Basic Introduction to Programming in Fortran 3.5 Declaring and Initialising Variables Again, it is good programming practice to get into the habit of: Always use IMPLICIT NONE This...

Ngày tải lên: 24/10/2014, 20:56

... of stability, and a short introduction to MATLAB MATLAB is used throughout this book as a very fancy calculator MATLAB allows students to avoid some of the work that would once have had to be ... nor arrays need to be declared in MATLAB'S language Here are a number of examples of legal assignments 30 A Mathematical Introduction to Control Theory (1) A = This assigns the value to the variable ... circuit in which a capacitor of capacitance C farads, and a resistor of resistance R ohms are in series with a voltage source that sources the voltage f(t) volts Let i(i) be the current (measured...

Ngày tải lên: 01/07/2015, 10:13

... longer exist clear variablename clears out a particular variable clear variablename1 variablename2 clears out a list of variables (note: separate the names with spaces) If nothing appears when who ... with matrices; the name MATLAB is short for “matrix laboratory.” Since MATLAB is written to work with matrices, it is very easy to create vector and matrix variables, and there are many operations ... operations and functions that can be used on vectors and matrices 21 22 CHAPTER Introduction to MATLAB A vector in MATLAB is equivalent to what is called a one-dimensional array in other languages A matrix...

Ngày tải lên: 06/02/2016, 08:23

... hda1, hda2, and hda3 are all physical volumes We'll initialize hda3 as a physical volume: root@lappy:~# pvcreate /dev/hda3 If you wanted to combine several disks, or partitions you could the same ... that we have a volume group (called skx-vol) we can actually start using it Working with logical volumes What we really want to is create logical volumes which we can mount and actually use In ... uh7umg-7DqT-G2Ve-nNSX-03rs-KzFA-4fEwPX LV Write Access LV Status # open LV Size Current LE Segments Allocation Read ahead sectors Block device read/write available 2.00 GB 512 inherit 254:0 The important thing to realise...

Ngày tải lên: 18/09/2012, 10:12

... he was placed from the living world of passion and pain.13 For God’s exaltation above man did not affect man’s ability to know him; it was a moral and metaphysical exaltation, not an elevation ... principle it contained, such a resemblance might perhaps have been expected As in Kant we have Quantity, Quality, Relation, so here we have Quality, Quantity, Relation Modality Hegel omits partly because ... certitude, should come to be regarded by Hegel as a dogma as indubitable as to be accepted without hesitation as an ultimate principle Thus it was in a way inevitable that Hegel should begin his...

Ngày tải lên: 06/11/2012, 15:51

... Converts value to variable data type • = (assignment operator) – Assigns value to variable – Binary operator (two operands) – Example: sum = variable1 + variable2;  2003 Prentice Hall, Inc All rights ... Equality and Relational Operators Sta nd a rd a lg eb ic eq ua lity op era tor or re la tiona l op era tor C++ e q ua lity o r re la tio na l o p e to r Exa m p le of C++ c o nd ition Me a ning ... is not equal to y Relational operators Equality operators  2003 Prentice Hall, Inc All rights reserved 20 Decision Making: Equality and Relational Operators • using statements – Eliminate use...

Ngày tải lên: 25/04/2013, 19:12

... matchDao.setDataSource(dataSource); DefaultTournamentMatchManager tournamentMatchManager = new DefaultTournamentMatchManager(); tournamentMatchManager.setMatchDao(matchDao); new SwingApplication(tournamentMatchManager); ... matchDao.setDataSource(dataSource); DefaultTournamentMatchManager tournamentMatchManager = new DefaultTournamentMatchManager(); tournamentMatchManager.setMatchDao(matchDao); new SwingApplication(tournamentMatchManager); } ... com.apress.springbook.chapter01.DefaultTournamentMatchManager; public class SwingApplication { private TournamentMatchManager tournamentMatchManager; public SwingApplication(TournamentMatchManager tournamentMatchManager) { this.tournamentMatchManager...

Ngày tải lên: 05/10/2013, 04:20

... the part will have millimeters units Click OK in the New dialog box The default datum planes appear in the graphics area CREATE A BASE FEATURE Create the base feature – Pick the Extrude Tool ... the graphics window Pick this surface as placement surface 11 Drag the reference handles onto the right and top surfaces of the part The handle snaps to the reference and an offset value appears ... plane, accept default and click Sketch button Pick additional references as shown Pick it as reference Pick it as reference Pick it as reference Pick to sketch two rectangles as shown in the figure...

Ngày tải lên: 27/10/2013, 17:15

Ngày tải lên: 04/11/2013, 10:15

... next example is even more convincing (and only somewhat contrived): alf eastman easily yells A| AAAAAAAAAAAAAAAH The encoder creates the token (1,9 ,A) , matching the first nine copies of A in the ... and in an audio file, a string of audio samples may also appear repeatedly A dictionary-based method maintains a dictionary that contains bits and pieces of the data As a string of data symbols ... apply mathematical methods to modify the representation of the original digital data, because of three factors, time/space limitations, reliability (data robustness), and security (data privacy)...

Ngày tải lên: 14/12/2013, 15:15

... = 11 a5 a1 a5 a4 a1 a4 a3 a1 a1 a3 a1 a3 a2 a3 1 T3 = 110 110|000 a5 a1 a1 110|001 a5 a1 110|010 a5 a2 110|011 a5 110|100 a4 a1 a1 110|101 a4 a1 110|110 a4 a2 110|111 a4 2 Table 2.7: Partial-Decoding ... buffer as they are being generated and are moved out of it at a constant rate, to be transmitted It is easy to see intuitively that a Huffman code with zero variance will enter bits into the buffer at ... encoder to generate bits at a rate that varies all the time Since the bits have to be transmitted at a constant rate, the encoder has to use a buffer Bits of the compressed data are entered into the...

Ngày tải lên: 14/12/2013, 15:15