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Writing to Files:
There are many lower level functions which can write to files. We will focus on the fprintf function that can be used to write a file and also to append to a file.
To write one line at same time in a file, the fprintf function is used. AS similar to the other low-level functions, the file should be opened first for writing and must be closed once the writing has been done. We have, obviously, been using the fprintf to write to the screen. It is the the default output device, therefore if a file identifier is not identified; the output goes to the screen; or else, it goes to the identified file. The default file identifier number is 1 for the screen. The common form is as shown below:
fprintf(fid, 'format', variable(s));
Function isreal - complex numbers: The function isreal returns 1 for logical true when there is no imaginary part of the argument, or 0 for false when the argument does have a
Three-Dimensional Plots: The MATLAB has many functions which will display three-dimensional plots. Most of these functions have similar name as corresponding two-dimensional p
5 p2+8p+15, 3 p2-3p-18, 12 p2-p-30
Example of Symbolic Expression When there is more than one variable, the MATLAB selects which to solve for. In the illustration below, the equation ax 2 + bx = 0 is solved. Th
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
Recursive Functions: The Recursion occurs whenever something is defined in terms of itself. In the programming, a recursive function is a function which calls itself. The Recu
Animation: In this part we will observe a couple of ways to animate a plot. These are visuals, therefore the outcomes can't really be shown here; it is essential to type these
Error-Checking for Integers: As MATLAB uses the type double by default for all the values, to check to make confirm that the user has entered an integer, the program have to c
Changing Dimensions: In addition to transpose operator, the MATLAB has some built-in functions which change the dimensions or configuration of matrices, involving fliplr, resh
Matrix of Plots: The other function which is very useful with any type of plot is subplot that creates a matrix of plots in the present Figure Window. The three arguments are
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