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What does discrete mean in a graph?

It is common to graph a discrete-time signal as dots in a

Cartesian coordinate system

A Cartesian coordinate system is a coordinate system that specifies each point uniquely in a plane by a pair of numerical coordinates, which are the signed distances to the point from two fixed perpendicular directed lines, measured in the same unit of length.

. Thiscan be done in the Matlab environment by using thestemcommand. We will also use thesubplot command to put multiple plots on a single figure. Start Matlab on your workstation and type the following sequence of commands. n = 0:2:60;

Is the graph discrete or continuous?

When figuring out if a graph is continuous or discrete we see if all the points are connected. If the line is connected between the start and the end, we say the graph is continuous. If the points are not connected it is discrete. Let's now look at some application examples of discrete and continuous things.

What is meant by discrete time?

Discrete time views values of variables as occurring at distinct, separate "points in time", or equivalently as being unchanged throughout each non-zero region of time ("time period")—that is, time is viewed as a discrete variable. ... The number of measurements between any two time periods is finite.

What is an example of a discrete graph?

Discrete functions are used for things that can be counted. For example, the number of televisions or the number of puppies born. The graph of discrete functions is usually a scatter plot with scattered points like the one you just saw.Mar 28, 2017

What does discrete mean in statistics?

A discrete distribution is one in which the data can only take on certain values, for example integers. A continuous distribution is one in which data can take on any value within a specified range (which may be infinite).

image-What does discrete mean in a graph?
image-What does discrete mean in a graph?
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What graphs are continuous?

What are Continuous Graphs? Continuous graphs are graphs where there is a value of y for every single value of x, and each point is immediately next to the point on either side of it so that the line of the graph is uninterrupted. In other words, if the line is continuous, the graph is continuous.

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How do you know if its discrete or continuous?

Discrete data is a numerical type of data that includes whole, concrete numbers with specific and fixed data values determined by counting. Continuous data includes complex numbers and varying data values that are measured over a specific time interval.Jul 10, 2019

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Is time continuous or discrete?

Time is a continuous variable. You could turn age into a discrete variable and then you could count it. For example: A person's age in years.

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What is an example of a discrete-time signal?

Discrete-time signal: the variable of time is discrete. The weekly Dow Jones stock market index is an example of discrete-time signal. To distinguish between continuous-time and discrete-time signals we use symbol t to denote the continuous variable and n to denote the discrete-time variable.

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What is difference between discrete and digital signal?

A discrete time signal which is not quantized can take any value in the given range (i.e. infinite options for the amplitude) where as a digital signal can take any value from a predefined finite set of amplitudes. ... The digital signal can take any value out of these N values only ( and not just any value).

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What is discrete-time signal Quora?

A discrete-time signal is a sequence of values that correspond to particular instants in time. The time instants at which the signal is defined are the signal's sample times, and the associated signal values are the signal's samples.

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How do you know if a discrete graph is a function?

Function: In the graph of a discrete function, only separate, distinct points are plotted, and only these points have meaning to the original problem. Graph: You can draw a continuous function without lifting your pencil from your paper. Graph: A discrete graph is a series of unconnected points (a scatter plot).

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What does discrete mean in math examples?

Data that can only take certain values. For example: the number of students in a class (you can't have half a student). Discrete Data is not Continuous Data.

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What does discrete mean in math?

Discrete mathematics is the branch of mathematics dealing with objects that can assume only distinct, separated values. ... Whereas discrete objects can often be characterized by integers, continuous objects require real numbers.

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What is the meaning of discrete time system?What is the meaning of discrete time system?

Discrete-time systems. A discrete-time system is a device or algorithm that, according to some well-dened rule, operates on a discrete-time signal called the input signal or excitation to produce another discrete-time signal called the output signal or response. Mathematically speaking, a system is also a function.

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What are the best charts for representing discrete data?What are the best charts for representing discrete data?

The following charts work especially well for representing the discrete data: 1 Bar chart 2 Stacked bar chart 3 Column chart 4 Stacked column chart 5 Spider chart

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What is the difference between continuous and discrete data?What is the difference between continuous and discrete data?

Discrete data can contain only a finite number of values. One of its notable properties is that, unlike continuous data, it can’t be measured, only counted. Examples of discrete data: the number of players in a team, the number of planets in the Solar System.

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How do you find the energy of a discrete signal?How do you find the energy of a discrete signal?

Classication of discrete-time signals The energy of a discrete-time signal is dened as Ex 4= X1 n=1 jx[n]j2: The average power of a signal is dened as Px 4= lim N!1 1 2N +1 XN n= N jx[n]j2: If E is nite (E < 1) then x[n] is called an energy signal and P = 0. If E is innite, then P can be either nite or innite.

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