By Amos Gilat

ISBN-10: 0470767855

ISBN-13: 9780470767856

MATLAB: An creation with purposes 4th variation walks readers throughout the bits and bobs of this strong software program for technical computing. the 1st bankruptcy describes easy gains of this system and exhibits tips to use it in simple math operations with scalars. the following chapters specialise in the subject of arrays (the foundation of MATLAB), whereas the rest textual content covers quite a lot of different purposes. MATLAB: An creation with purposes 4th version is gifted steadily and in nice element, generously illustrated via visual display unit photographs and step by step tutorials, and utilized in difficulties in arithmetic, technological know-how, and engineering.

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**Sample text**

For a matrix: A(:,n) Refers to the elements in all the rows of column n of the matrix A. A(n,:) Refers to the elements in all the columns of row n of the matrix A. A(:,m:n) Refers to the elements in all the rows between columns m and n of the matrix A. A(m:n,:) Refers to the elements in all the columns between rows m and n of the matrix A. A(m:n,p:q) Refers to the elements in rows m through n and columns p through q of the matrix A. The use of the colon symbol in addressing elements of matrices is demonstrated in Tutorial 2-3.

Oranges are packed such that 52 are placed in each box. Determine how many boxes are needed to pack 4,000 oranges. Use MATLAB built-in function ceil. 10 Problems 23. The voltage difference V ab between points a and b in the Wheatstone bridge circuit is: R4 ⎞ R2 - – ----------------V ab = V ⎛ ----------------⎝ R 1 + R 2 R 3 + R 4⎠ R3 R1 V + Calculate the voltage difference when V = 12 R 1 = 120 ohms, R 2 = 100 ohms, volts, R 3 = 220 ohms, and R 4 = 120 ohms. b a R2 R4 24. 95, respectively. Assign the prices to variables named oak and pine, change the display format to bank, and calculate the following by typing one command: (a) The total cost of 16 oak trees and 20 pine trees.

7 8 12 >> In Tutorial 2-3 new vectors and matrices are created from existing ones by using a range of elements, or a range of rows and columns (using :). It is possible, however, to select only specific elements, or specific rows and columns of existing variables to create new variables. This is done by typing the selected elements or rows or columns inside brackets, as shown below: >> v=4:3:34 Create a vector v with 11 elements. v = 4 7 >> u=v([3, 10 5, 13 16 7:10]) 19 22 25 28 31 34 Create a vector u from the 3rd, the 5th, and the 7th through 10th elements of v.

### MATLAB: An Introduction with Applications, Fourth Edition by Amos Gilat

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