Download J for C programmers by Henry Rich PDF

By Henry Rich

An creation and reference for the J programming language, an array language of remarkable productiveness. The reader learns the weather of J in phrases normal to a C or Java programmer, after which is going directly to tips on how to take into consideration difficulties J-style, operating with whole-array operations instead of loops.

Show description

Read Online or Download J for C programmers PDF

Best c & c++ books

Software development for the QUALCOMM BREW platform

This article presents a soup-to-nuts exam of what it takes to layout, enhance, and install commercially plausible purposes for the QUALCOMM BREW platform.

Learning OpenCV

Книга studying OpenCV studying OpenCVКниги С/С++/Visual C Автор: Gary Bradski, Adrian Kaehler Год издания: 2008 Формат: pdf Издат. :O'Reilly Страниц: 577 Размер: 31 мб ISBN: 978-0-596-51613-0 Язык: Английский0 (голосов: zero) Оценка:Learning OpenCV places you correct in the midst of the speedily increasing box of machine imaginative and prescient.

Understanding Programming Languages

This booklet compares constructs from C with constructs from Ada when it comes to degrees of abstractions. learning those languages presents a company beginning for an in depth exam of object-oriented language aid in C++ and Ada ninety five. It explains what choices can be found to the language clothier, how language constructs could be utilized in phrases of security and clarity, how language constructs are applied and which of them might be successfully compiled and the function of language in expressing and implementing abstractions.

Quantum Computation and Information: Ams Special Session Quantum Computation and Information, Washington, D.C., January 19-21, 2000

This ebook is a set of papers given by means of invited audio system on the AMS distinctive consultation on Quantum Computation and data held on the January 2000 Annual assembly of the AMS in Washington, DC. The papers during this quantity supply readers a extensive advent to the various mathematical study demanding situations posed by means of the hot and rising box of quantum computation and quantum details.

Additional resources for J for C programmers

Example text

That way is the rank conjunction " . We will learn all about conjunctions later on—the syntax is a little different than for verbs—but for now, we'll try to understand this " . It's used like this: u"n to produce a new verb that is u applied to n-cells individually. This is a simple idea, but its ramifications spread wide. As a first example: +/"1 i. 2 3 3 12 This is what we were looking for. It happened this way: The verb rank is 1 and the noun rank is 2, so we will be applying the verb to 1-cells.

2 3 4 12 15 18 21 48 51 54 57 Summing the 2-cells (+/"2) is not the same as summing the 1-cells within each 2-cell (+/"1"2). Make sure you see why. Ah, you may say, but +/"1"2 is equivalent to +/"1 . You are right for the monadic case, but not for the dyadic: (i. 3 4) +"1"2 i. 2 3 4 0 2 4 6 8 10 12 14 16 18 20 22 12 14 16 18 20 22 24 26 28 30 32 34 (i. 3 4) +"1 i. 2 3 4 Dyad +"1"2 is executed as (+"1)"2, i. e. it has rank 2. So, there is only one 2-cell of the left operand i. 3 4, and that cell is replicated to match the shape of the right operand.

C distinguishes between single-character constants (such as 'a') and strings (such as "abc"), using single quotes for characters and double quotes for strings. J uses only single quotes for defining character constants (the " character is a primitive in its own right). If exactly one character is between the quotes, the value is an atom; if none or more than one, the result is a list. Array-creating Verbs Now that we know how to talk about arrays, we might as well create a few and see what they look like.

Download PDF sample

Rated 4.34 of 5 – based on 24 votes