Matlab loops
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MATLAB provides several types of loops to repeat blocks of code including while loops, for loops, and nested loops. While loops repeat code while a condition is true, for loops execute code a set number of times, and nested loops allow placing one loop inside another. MATLAB also includes loop control statements like break and continue to change normal loop execution flow.
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This document discusses different types of plots that can be created in MATLAB, including bar charts, contour plots, and 3D surface plots. It provides examples of the code needed to generate each type of plot using built-in MATLAB functions like bar, contour, meshgrid, and surf. For bar charts, the bar function is used to plot scores of 10 students. For contour plots, the contour function plots contour lines for a function of two variables defined on a meshgrid. For 3D surface plots, the surf function plots a 3D surface defined by a function of two variables on a meshgrid.
Matlab gnu octave
GNU Octave is an open-source program that is very similar to MATLAB. It can be used for numerical computations and has many of the same features as MATLAB, including matrices as a fundamental data type, support for complex numbers, built-in math functions and libraries, and support for user-defined functions. While most MATLAB programs will run in Octave, there are some minor syntactic differences between the programs and some functionality, like integration and differentiation, is implemented differently.
Matlab operators
MATLAB allows various types of operators to perform mathematical, logical, and other operations on matrices and arrays. Arithmetic operators include addition, subtraction, multiplication, and division. Relational operators compare elements. Logical operators perform AND, OR, and NOT operations. Bitwise operators perform operations on bits. Set operations include union, intersection, and testing for set membership. Operators can work on both scalar and non-scalar data, with array operations performed element-by-element.
Matlab functions
The document discusses different types of functions in MATLAB:
1) Functions allow grouping code to perform tasks and operate in their own workspace separately from the base workspace. They can accept multiple inputs and outputs.
2) Anonymous functions can be defined inline without a file using the @ syntax.
3) Primary functions must be in a file but can call sub-functions defined there as well.
4) Nested functions are defined within another function and share its workspace. Private functions reside in a private subfolder and are only visible locally.
5) Global variables can be shared between functions by declaring them globally at the start of relevant files.
Matlab differential
The document discusses various methods for computing derivatives and solving differential equations in MATLAB. Some key points:
- MATLAB's diff command is used to compute symbolic derivatives of functions. It can find 1st, 2nd and higher order derivatives.
- Common rules of differentiation like product rule, quotient rule, chain rule are demonstrated. Derivatives of exponential, logarithmic and trigonometric functions are provided.
- Finding critical points/stationary points of a function involves taking the derivative and setting it equal to zero.
- The dsolve command can be used to find symbolic solutions to differential equations, including specifying initial/boundary conditions.
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- 1. http://www.tutorialspoint.com/matlab/matlab_loops.htm Copyright © tutorialspoint.com MATLAB - LOOP TYPES There may be a situationwhenyouneed to execute a block of code severalnumber of times. Ingeneral, statements are executed sequentially. The first statement ina functionis executed first, followed by the second, and so on. Programming languages provide various controlstructures that allow for more complicated executionpaths. A loop statement allows us to execute a statement or group of statements multiple times and following is the generalformof a loop statement inmost of the programming languages: MATLAB provides following types of loops to handle looping requirements. Click the following links to check their detail: Loop Type Description while loop Repeats a statement or group of statements while a givenconditionis true. It tests the conditionbefore executing the loop body. for loop Executes a sequence of statements multiple times and abbreviates the code that manages the loop variable. nested loops Youcanuse one or more loops inside any another loop. Loop Control Statements Loop controlstatements change executionfromits normalsequence. Whenexecutionleaves a scope, all automatic objects that were created inthat scope are destroyed. MATLAB supports the following controlstatements. Click the following links to check their detail. Control Statement Description
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