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2D PL
2D-Plots-In-Matlab-(PDF)
For more examples and details, visit: http://matrixlab-examples.com/matlab-plot-2tier.html
Learn how to create 2D plots in Matlab.
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VIDEO
BREAK
Break-and-Continue-Statements-in-Matlab
For more information and details, visit:
http://matrixlab-examples.com/break-statement.html
Break and Continue Statements in Matlab
The break statement (in Matlab) terminates the execution of a for or while loop. Statements in the loop after the break statement do not execute.
In nested loops, break exits only from the loop in which it occurs. Control passes to the statement that follows the end of that loop.
--
The continue statement (in Matlab) temporarily interrupts the execution of a program loop, skipping any remaining statements in the body of the loop for the current pass.
It continues within the loop for as long as the stated for or while condition holds true.
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VIDEO
BASE
Base-Conversion--binary-numbers-to-decimal-ones,-and-decimal-numbers-to-binary-ones
To see an online base converter, see:
http://matrixlab-examples.com/base-conversion.html
I'm gonna show you how to convert a binary number to a decimal one, and a decimal number to a binary base.
Any digit in a decimal number has a different weight. The weight is the power of its position in the number.
The same concept can be applied to numbers in any other base. We can obtain the equivalent number in decimal base just by adding every digit multiplied by the base to the corresponding power.
For numbers less than the unit, we have to consider negative powers, just as considered in numbers of base 10.
To convert decimal numbers to binary ones, we are going to iterate divisions by 2. We are going to take the remainder for the result, and we are going to take the quotient for another division.
We are going to divide by the base until our quotient becomes less than the base. We have to include our last quotient and our last reminder for the final result in base 2.
To convert decimal numbers that happen to be less than the unit, we are going to iterate multiplications by the base (in this case it's 2). The integer part of each result goes to our conversion and the fraction goes to another multiplication.
The final conversion is an approximation only, even though we could make more multiplications to have better accuracy.
Thank you for watching.
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MATLA
Matlab---Boolean-and-Relational-Operators
For detailed codes and more examples in Matlab, visit:
https://matrixlab-examples.com/boolean-operator.html
Logical and: https://www.matrixlab-examples.com/logical-and.html
Logical or: https://www.matrixlab-examples.com/logical-or.html
Logical xor: https://www.matrixlab-examples.com/xor.html
Logical not: https://www.matrixlab-examples.com/logical-not.html
Combinational logic: https://www.matrixlab-examples.com/combinational-logic.html
On this video I’m gonna briefly introduce you to boolean operators and basic relational operations in Matlab.
You use logical operators in conditional expressions very much as you use math operators in numeric expressions.
In Matlab, an & represents the AND operator, a | represents the OR operator, a ~ is for NOT and the function xor is used for the exclusive-or operation.
The AND operator lets you specify multiple conditions that must be true before an action can be taken. The result is true only if both conditions are true, otherwise the result is false.
This is an example of the logical AND. You can see here the inputs and outputs of the truth table.
The OR operator lets you create a more flexible set of conditions that must be met before an action can take place. The result is false only if both conditions are false, otherwise the result for an OR is true.
This is an example of the logical OR in Matlab. You can see here the inputs and outputs of the truth table.
The NOT operator lets you negate a condition: if a condition is false, the NOT operator makes the condition true; if a condition is true, NOT makes it false.
This is an example of the logical NOT. You can see here the input and output of the truth table.
Function xor performs an exclusive-OR operation on the corresponding elements of arrays A and B. The result is true only if either A or B are true.
Here’s an example of the exclusive-or. You can see the inputs and outputs of the truth table.
Regarding the relational operators, there are six of them in Matlab: less than, less than or equal, greater than, greater than or equal, equal and
not equal.
These operations result in a vector or matrix of the same size as the operands, with 1 where the relation is true and 0 where it’s false.
Naturally, you can combine relational and boolean operators to create sophisticated manipulations. Here’s a way to extract values from a vector that fall within a specific interval.
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VIDEO
HOW T
How-to-Plot-a-Circle-in-Matlab
Details on how to plot a circle in Matlab:
https://matrixlab-examples.com/matlab-plot.html
https://matrixlab-examples.com
In this video I’m gonna show you how to plot a circle in Matlab. The method works exactly the same in GNU-Octave, FreeMat, Scilab and Scicoslab.
We’re going to use parametric equations to describe a circumference. You need to remember that in a unit circle, the horizontal value of any point is given by the cosine of the angle, and the vertical value is given by the sine of the same angle.
We need five steps:
The first one is to define the values that we want to consider. With this line of code we have 360 values going from 0 to 2pi.
The second step is to calculate the horizontal values of all the 360 angles that we’re considering.
The third step is to calculate the vertical values of the points that we’re going to plot.
The fourth step is to use the built-in function plot in Matlab to draw our x and y values.
And the last step is just to make sure that the horizontal and vertical values in the plot have the same size.
In summary, we need these 5 lines of code...
to produce this circle.
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