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plotting: making an array out of values made in a for loop?
R=.5; %m L=1.25; %m H=.25; %m N=100; phi=zeros(1,N); theta=linspace(0, 4*pi, N); for i=1:N fphi=@(phi) R*sin(theta(i)) + ...

7 years ago | 0

Answered
finding an array of roots?
Is this? R=.5; %m L=1.25; %m H=.25; %m N=100 phi=0; theta=linspace(0, 4*pi, N); for i=1:N fphi=@(phi) R*sin(theta(i)) + ...

7 years ago | 0

Answered
decreasing point on curve
One way: Find the y, when y(i)<y(i-1) (First Case) iterate i from 2 to end Second way: data=y(i+1)-y(i); %Create the data, t...

7 years ago | 0

Answered
Why the I is always a constant
Befor answering the question, It seems you are messing with code and logic, if yes, figure out. Now the answer of the question ...

7 years ago | 0

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Index in position 2 is invalid. Array indices must be positive integers or logical values.
for ky=-6:0.1:6 for kx=-6:0.1:6 f(10*ky+61,10*kx+61)=exp(i*10^(-16)*(2.16*(n+m)*kx+1.245*(n-m)*ky)) I(10*ky+61,...

7 years ago | 0

Answered
Function that converts Celsius to Fahrenheit and prints it to a file
Error in CelToFar (line 7) Far=((9*Cel/5)+32); Here it is- I assumed you pass the single aruments (scalar) at a time, if large...

7 years ago | 0

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Answered
Counting values between values in array
A=123; B=129; result=sum(find(var==A | var==B))

7 years ago | 0

Answered
Matrix dimensions error for adding noise vectors
The issue is here, you are trying to add different sizes matrices in the following line- new_sound_array=y+x1+x1; Where >> w...

7 years ago | 0

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Answered
how to do convolution Of this x1 and x10 function ?
result=conv(x1,x10); plot(result); Please do all other axes labeling and title

7 years ago | 0

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Answered
Add columns into one column with each run
"Add columns into one column with each run" F=rand(10,1); [r c]=size(F); num_of_colm=10; % mention how many column you want t...

7 years ago | 0

Answered
Vector dimensions not right
As already @Walter sir specified, you did not provide us the "t" data, here I have assumed the t data as same as t2 Please assi...

7 years ago | 0

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Answered
How to express this function?
function y=test1() T=3; W=pi; t=0.01:10 y=10*exp((-t./T).*sin(W.*t)) end Or Direct T=3; W=pi; t=0.01:10; y=10*exp...

7 years ago | 0

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Answered
can someone tell what is happening in here are we assigning values to an array or what?
Is there any issue? I think no? nx=nx+1; % nx updated with 1 and replace the present nx value Following is the assigning out...

7 years ago | 0

Answered
plotting a moving object
Is this? x0=0;y0=0; x1=15;y1=8; v=1; px=0; py=0; t=0.1; dist=0; for i=1:1:x1 dist(i)=sqrt((x0-(t.*v)).^2 +(y0-(t.*v...

7 years ago | 0

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I need to generate an array where the elements in the array are the sum of the indices... I am quite lost with the nested for loop aspect... please assist if possible.
% If m = 12, and n = 13 then the final solution should be a 12 x 13 matrix with the min value being 2 and max value being 25 fu...

7 years ago | 1

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Answered
The if loop is continuing even after the condition is false.
It's seems perfectly working: >> RS RS = Columns 1 through 12 0.2217 0.2226 0.2235 0.2244 0.2252 0.2254...

7 years ago | 1

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Answered
how to extract SIFT features from rgb image in matlab
Have you checked here ? Also you can look on this custom function also.

7 years ago | 0

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Change column in array
Arr=[5 5 5 5 ; 5 5 5 5; 5 5 5 5 ; 5 5 5 5; 5 5 5 5]; % First column number change the 10 Arr(:,1)=10 %Do the same for others ...

7 years ago | 1

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I'm having trouble getting my first Matlab code to work? Can anyone tell me what's wrong?
Save the function as quadroot.m in different Matlab file. Call the function by passing inputs arguments from another main Matla...

7 years ago | 0

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How to change the color of a plot with two y-axes on the same graph in Matlab
x = 0:0.01:20; y1 = sin(x); y2 = x; figure % new figure plotyy(x,y1,x,y2) [hAx,hLine1,hLine2] = plotyy(x,y1,x,y2); set(hAx...

7 years ago | 2

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Answered
How to plot and subplot butterfly?
%Problem 1 n = 5000 ; t = linspace(0,20*pi,n); x = sin(t).*(exp(cos(t))-2*cos(4*t)+sin(t/12).^5) y = cos(t).*(exp(cos(t))-2*...

7 years ago | 2

Answered
Generate an intensity image I(x,y) and display it. by using the equation I = 0.299R 0.587G 0.114B (the NTSC standard for luminance)
Is this? R=randi(50,[500 500]); G=randi(50,[500 500]); B=randi(50,[500 500]); R_comp=0.299*R; G_comp=0.587*G; B_comp=0.114...

7 years ago | 0

Answered
How to plot different probability distribution for an image . Kindly help me.
gray_image=rgb2gray(imread('image_test.jpg')); [r c]=size(gray_image); pix_prob_normal=imhist(gray_image)./(r*c); plot(0:255...

7 years ago | 0

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Answered
Overlay binary image on RGB image
Is this? RGB_image=imread('image_test.jpg'); subplot(311);imshow(RGB_image); bw_image=im2bw(rgb2gray(RGB_image)); subplot(31...

7 years ago | 0

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Answered
Creating a loop in order to read .txt files
list=dir('*.txt'); for j=1:length(list) file_text=textread(list(j).name); %.....code end

7 years ago | 1

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Answered
need to create a vector through input in the script
function result=test( ) n=input('Enter the vector length: '); result=zeros(1,n); for i=1:n result(i)=input('Enter the vector...

7 years ago | 2

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Answered
Random 1 image from folder and imread it
Try? %Save the folder of images in the current directory path_directory='Test3'; % 'Folder name' original_files=dir([path_dir...

7 years ago | 0

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How to write a for loop that converts one file type to another?
See my answer here ralated to images call..do the same in your case Or More simpler @Stephan's Answer here Try, any issue ...

7 years ago | 0

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Kernel RBF in image segmentation
Actually what the means by a and b. This custom function is based on following paper, kindly check all details http://citesee...

7 years ago | 0

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could anyone help me how to verify the standard deviation of matrix
Matlab: (Uses divide by N-1) >> A=[1 4 2]; >> std(A) ans = 1.5275

7 years ago | 0