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Illustration of Advanced file input and output:
For illustration, to refer to the third number in the first element of the cell array:
>> subjdata{1}(3)
ans =
3.3000
The script which reads in this data and echo-prints it is shown here:
Executing this script generates the following results which are as shown below:
>> textscanex
5.3 a
2.2 b
3.3 a
4.4 a
1.1 b
File close successful
To conclude, we know four techniques of reading from a file. The function load will only work when the values in the file are all of similar type and there is similar number on every line in the file, so that they can be read into the matrix. If this is not the situation, lower level functions should be used. To use these, the file should be opened first and then closed whenever the reading has been done. The fscanf function will read into the matrix, converting the characters to their ASCII equivalents. The textscan function will rather read into a cell array which stores each column from the file into individual column vectors of the cell array. At last, the fgetl function can be used in a loop to read each line from the file as an individual string; the string manipulating functions should then be used to break the string into pieces and convert to numbers.
Built-in functions for Complex numbers: We know that in MATLAB both i and j are built-in functions which return √-1 (therefore, they can be thought of as built-in constants).
Built in recursive function in MATLAB: We have seen that the built-in function in MATLAB to compute factorials, termed as the factorial and we know how to implement the iterat
Write a MATLAB function [d1, u1, l1, c1, r1] = NaiveGaussArrow(d, u, l, c, r) that takes as input the 5 vectors de ned above representing A. This function performs Naive Gauss redu
Strings as Vectors: The Strings are considered as vectors of characters-or in another words, a vector in which each and every element is a single character-so numerous vector
Sorting The Sorting is a process of putting a list in order; either in descending (maximum to minimum), or ascending (minimum to maximum) order. For illustration, here is a li
Histogram: The histogram is a particular type of bar chart which shows the frequency of occurrence of the values within a vector. The Histograms use what are known as bins to
Plot types: Besides plot and bar, there are another plot types like stem plots, histograms, stem plots, area plots and pie charts, and also other functions which customize the
If I have a vector representing the packed storage form of a symmetric matrix, how do I perform a cholesky factorisation on that?
5 p2+8p+15, 3 p2-3p-18, 12 p2-p-30
Standard Deviation The standard deviation is the square root of variance: The built-in function in a MATLAB for the standard deviation is known as std; the standard dev
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