Plotting Variables (b,u) in Function "Step"

MATLAB
Thread starter madjid222
Start date Apr 9, 2010
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Function Plotting Variables

In summary, plotting variables (b,u) in a function "Step" allows for visualization of the relationship between the two variables and can aid in analyzing patterns, identifying trends, and making predictions. To plot these variables, a set of values must be chosen and plotted on a graph with b on the x-axis and u on the y-axis. The slope of the line in the plot represents the rate of change between the variables. A plot can be used to analyze the function by examining its shape and behavior. However, there are limitations to using a plot of variables (b,u) as it only shows the relationship between two variables and may not accurately represent the function for all values.

Apr 9, 2010

madjid222

Hi Friends
I want to plot variables (b,u) that are in function "step" .
function main
[t,v]=ode45('step',[0 20],0,[]);
plot(t,v)

function dv=step(t,v)
c1=1;
if t<10
u=1;
else
u=-1;
end
dv=c1*u-2*v;
b=dv/2;

but these variables are unknown in function "main".
thanks.

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Apr 15, 2010

madjid222

please help me

Apr 15, 2010

shoehorn

This should solve your problem:

Code:

doc ode45

1. What is the purpose of plotting variables (b,u) in a function "Step"?

The purpose of plotting variables (b,u) in a function "Step" is to visualize the relationship between the two variables and understand how they change in relation to each other. This can help in analyzing patterns, identifying trends, and making predictions.

2. How do I plot variables (b,u) in a function "Step"?

To plot variables (b,u) in a function "Step", you first need to choose a set of values for both variables. Then, plot these points on a graph with b on the x-axis and u on the y-axis. Finally, connect the points with a line to create a visual representation of the function.

3. What does the slope of the line in a plot of variables (b,u) represent?

The slope of the line in a plot of variables (b,u) represents the rate of change between the two variables. It tells us how much u changes for every unit change in b. A steeper slope indicates a faster rate of change, while a flatter slope indicates a slower rate of change.

4. How can I use a plot of variables (b,u) to analyze a function "Step"?

A plot of variables (b,u) can be used to analyze a function "Step" by examining the shape of the graph and the behavior of the variables. This can help in identifying any patterns or trends, determining the range of possible values for the variables, and making predictions about the function's behavior for different values of b and u.

5. Are there any limitations to using a plot of variables (b,u) in a function "Step"?

Yes, there are some limitations to using a plot of variables (b,u) in a function "Step". One limitation is that it only shows the relationship between two variables and may not provide a complete understanding of the function. Additionally, a plot may not always accurately represent the behavior of the function for all values of b and u, as the data points may not be evenly distributed or there may be outliers.