Answered

I'm trying to plot my function into a graph but it won't even run

function y=displacement(theta) y=zeros(1,length(theta)); for i=1:length(theta) if theta(i)>=0 & theta(i)<= pi/2 y(i)=6*(...

I'm trying to plot my function into a graph but it won't even run

function y=displacement(theta) y=zeros(1,length(theta)); for i=1:length(theta) if theta(i)>=0 & theta(i)<= pi/2 y(i)=6*(...

ungefär 2 månader ago | 0

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Answered

I want to use circshift until a certain value in my vector until it reaches the end of the array.

front_pos = 17800; rear_pos = 58400; B = [0 0 0 0 rear_pos 0 front_pos 0 0 0 0 0 0 0 0 0 0 0 0 0 0]'; while B(end)~=front_pos...

I want to use circshift until a certain value in my vector until it reaches the end of the array.

front_pos = 17800; rear_pos = 58400; B = [0 0 0 0 rear_pos 0 front_pos 0 0 0 0 0 0 0 0 0 0 0 0 0 0]'; while B(end)~=front_pos...

ungefär 2 månader ago | 0

Answered

Plot Error Please help

There must be one else condition (to avoid any mismatch between vectors length). If none of the conditions is true, then such co...

Plot Error Please help

There must be one else condition (to avoid any mismatch between vectors length). If none of the conditions is true, then such co...

ungefär 2 månader ago | 0

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Riemanns_integral error

Error using sym/rsums Too many output arguments. If you check the MATLAB docs of rsums: Which is function for displays a itera...

Riemanns_integral error

Error using sym/rsums Too many output arguments. If you check the MATLAB docs of rsums: Which is function for displays a itera...

ungefär 2 månader ago | 0

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how i do a 3D plot of rect(n1,n2) function

n1=-1; n2=1; [x,y]=meshgrid(n1:0.01:n2,n1:0.01:n2); z=zeros(size(x,1),size(x,2)); z(x>-0.5 & x<0.5)=1; s=surf(x,y,z,'FaceAl...

how i do a 3D plot of rect(n1,n2) function

n1=-1; n2=1; [x,y]=meshgrid(n1:0.01:n2,n1:0.01:n2); z=zeros(size(x,1),size(x,2)); z(x>-0.5 & x<0.5)=1; s=surf(x,y,z,'FaceAl...

ungefär 2 månader ago | 0

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How can I call a Dataset folder for image preprocessing?

Images call, there are so mahy related threads Link 1 Link 2 Link 3 Link 4 Hope It Helps!

How can I call a Dataset folder for image preprocessing?

Images call, there are so mahy related threads Link 1 Link 2 Link 3 Link 4 Hope It Helps!

ungefär 2 månader ago | 0

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How can I get my matrix to populate with correct values from for loop?

When my for loop continues to iteration 2 to 50, the rest of colum 2 is populted by 1's. Can someone please help me understand w...

How can I get my matrix to populate with correct values from for loop?

When my for loop continues to iteration 2 to 50, the rest of colum 2 is populted by 1's. Can someone please help me understand w...

2 månader ago | 0

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Creating plans and 3D shapes with x,y,z coordinates.

There may be subjective related toolboox/CAD tool to design such surfaces. You may try with surf plot, here on eexample. Here y...

Creating plans and 3D shapes with x,y,z coordinates.

There may be subjective related toolboox/CAD tool to design such surfaces. You may try with surf plot, here on eexample. Here y...

2 månader ago | 0

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Answered

How can we accurately estimate execution time?

One way: Using Stoptwatch Timer tic ...... toc https://in.mathworks.com/help/matlab/ref/tic.html More: Function execution ...

How can we accurately estimate execution time?

One way: Using Stoptwatch Timer tic ...... toc https://in.mathworks.com/help/matlab/ref/tic.html More: Function execution ...

2 månader ago | 0

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Answered

how do i select only a certain area of an image and then use it to get the mean pixel value?

This is all about how you can correctly segregate ROI, what the red fields refer to, as there is no clear boundary in the area o...

how do i select only a certain area of an image and then use it to get the mean pixel value?

This is all about how you can correctly segregate ROI, what the red fields refer to, as there is no clear boundary in the area o...

2 månader ago | 1

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how to create two sinusoidal signals

Hint: A=.....%Amplitude t=0:0.01:1; %time ph=......%Set Phase difference w=.....% Frequency sin1=................% Asin(wt...

how to create two sinusoidal signals

Hint: A=.....%Amplitude t=0:0.01:1; %time ph=......%Set Phase difference w=.....% Frequency sin1=................% Asin(wt...

2 månader ago | 1

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Answered

Plotting a line moving down straight vertically. Both the lines are not rotating in symmetry.

"Both the lines are not rotating in symmetry." plot([-L1*cosd(t1),0],[L1*sind(t1),0]); % First Line %..............^changed he...

Plotting a line moving down straight vertically. Both the lines are not rotating in symmetry.

"Both the lines are not rotating in symmetry." plot([-L1*cosd(t1),0],[L1*sind(t1),0]); % First Line %..............^changed he...

2 månader ago | 0

Answered

NOT GETTING PLOT , Actually i want a to find out the change in density,temp, pessure with altitude ( standard atmospheric properties). then use the density for other formula. plzz help . standard atmospheric prop. code given by friend,not understand

This is a function file, you need to pass the correct specific input values to get the output. Once I tried with a random array ...

NOT GETTING PLOT , Actually i want a to find out the change in density,temp, pessure with altitude ( standard atmospheric properties). then use the density for other formula. plzz help . standard atmospheric prop. code given by friend,not understand

This is a function file, you need to pass the correct specific input values to get the output. Once I tried with a random array ...

2 månader ago | 0

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Answered

No values for RK method

There is no numerical data within Xg and Xs (all are NaN), same for 2nd figure also, hence there is no plots. Your next goal sho...

No values for RK method

There is no numerical data within Xg and Xs (all are NaN), same for 2nd figure also, hence there is no plots. Your next goal sho...

2 månader ago | 0

Answered

how to plot graph from text data as shown in the image

Try this way in MATLAB edit window %Load the file A=readmatrix('file.txt'); Get the x and y values x=A(:,1); x=A(:,2); Pl...

how to plot graph from text data as shown in the image

Try this way in MATLAB edit window %Load the file A=readmatrix('file.txt'); Get the x and y values x=A(:,1); x=A(:,2); Pl...

2 månader ago | 0

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Answered

How Can I mix my matrix randomly ?

One way: Here data is 100 by 100 matrix mat_data=data(:); result=reshape(mat_data(randperm(100*100)),[100,100]);

How Can I mix my matrix randomly ?

One way: Here data is 100 by 100 matrix mat_data=data(:); result=reshape(mat_data(randperm(100*100)),[100,100]);

2 månader ago | 0

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Answered

Error: Array indices must be positive integers or logical values

Q = 0.16; %[m^3/s] flowraten r_2 = 0.25; %[m]Ydre radius D_2 = 0.50 %[m]Ydre diameter b_2 = 0.5 ...

Error: Array indices must be positive integers or logical values

Q = 0.16; %[m^3/s] flowraten r_2 = 0.25; %[m]Ydre radius D_2 = 0.50 %[m]Ydre diameter b_2 = 0.5 ...

2 månader ago | 0

Answered

How i can plot the below sigmoid function?

It is all about specific parameter values how we know this, because we cannot be from the same subjective field. Define the t...

How i can plot the below sigmoid function?

It is all about specific parameter values how we know this, because we cannot be from the same subjective field. Define the t...

2 månader ago | 0

Answered

Please, I would like to present my xlimit in a plot into scientific notation?

x_data=0:15000; plot(x_data); ax=gca; ax.XAxis.Exponent=3; See more option here https://in.mathworks.com/help/matlab/creat...

Please, I would like to present my xlimit in a plot into scientific notation?

x_data=0:15000; plot(x_data); ax=gca; ax.XAxis.Exponent=3; See more option here https://in.mathworks.com/help/matlab/creat...

2 månader ago | 0

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Answered

I am trying to test a part of my code but it shows me this message ! how can i solve it , Help plz !

This is due to a name mismatch between the upper case or lower case in the custom function name. Matlab is case-sensitive. Modif...

I am trying to test a part of my code but it shows me this message ! how can i solve it , Help plz !

This is due to a name mismatch between the upper case or lower case in the custom function name. Matlab is case-sensitive. Modif...

2 månader ago | 0

Answered

What is square Hankel matrix?

Do read here https://in.mathworks.com/help/matlab/ref/hankel.html

What is square Hankel matrix?

Do read here https://in.mathworks.com/help/matlab/ref/hankel.html

2 månader ago | 0

Answered

Grouping rows into different matrices

G=mat2cell(M,10*ones(1,2000/10)) All are individual matrices, you have to save matrices in the cell array (easiest way)

Grouping rows into different matrices

G=mat2cell(M,10*ones(1,2000/10)) All are individual matrices, you have to save matrices in the cell array (easiest way)

2 månader ago | 0

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Answered

Creating 3D graph

This way, see the surf plot Beta=rand(1,71); % Change Data, here random sample data Lambda=rand(101,1); % Change Data, here ra...

Creating 3D graph

This way, see the surf plot Beta=rand(1,71); % Change Data, here random sample data Lambda=rand(101,1); % Change Data, here ra...

2 månader ago | 0

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Answered

how to get average of multiple rows and subtract from one group of average to another

As you mentioned, the size of the data is "10039 columns, 64 rows" Load the file using readmatrix or load function. Easiest Wa...

how to get average of multiple rows and subtract from one group of average to another

As you mentioned, the size of the data is "10039 columns, 64 rows" Load the file using readmatrix or load function. Easiest Wa...

2 månader ago | 0

Answered

How to assign NaN to an empty cells in array for data arrangement?

Please try with readtable, it replaces all missing data with NaN. Note: Text files have unwanted header descriptions, you can...

How to assign NaN to an empty cells in array for data arrangement?

Please try with readtable, it replaces all missing data with NaN. Note: Text files have unwanted header descriptions, you can...

2 månader ago | 0

Answered

How to generate a normal matrix?

You can do this in many ways, one way is as follows Hope, for the last corner mat(1,:)= ....element, you can manipulate: Suffi...

How to generate a normal matrix?

You can do this in many ways, one way is as follows Hope, for the last corner mat(1,:)= ....element, you can manipulate: Suffi...

2 månader ago | 1

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Answered

How to Preallocate this loop?

xaxis=zeros(1,ncut); yaxis=zeros(1,ncut); wig=zeros(ncut,ncut); More: Avoid using xaxis and yaxis as variable names, there ma...

How to Preallocate this loop?

xaxis=zeros(1,ncut); yaxis=zeros(1,ncut); wig=zeros(ncut,ncut); More: Avoid using xaxis and yaxis as variable names, there ma...

2 månader ago | 0

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Answered

For loop with use of larger than

Now I want to calculate the average data value of the pressure for every small angle change. Hint: Do modify accordingly angl...

For loop with use of larger than

Now I want to calculate the average data value of the pressure for every small angle change. Hint: Do modify accordingly angl...

2 månader ago | 1

Answered

The graph I'm trying to create is empty

Here loop can be avoided (Recomended) t = 0:1:20 y =50*1.15.^t; figure,plot(t,y,'g') title('Voltage vs Time') xlabel('Time(...

The graph I'm trying to create is empty

Here loop can be avoided (Recomended) t = 0:1:20 y =50*1.15.^t; figure,plot(t,y,'g') title('Voltage vs Time') xlabel('Time(...

2 månader ago | 0