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How can I plot all iterations of my for loop?
Right now, each plot is plotting only one point. To achieve the behavior you want, create the vectors and plot them outside the ...
nästan 5 år ago | 1
| accepted
Question
How to find if a symbolic operation contains a or function?
I'm trying to find if a symbolic equation has the 'or' function or not. I have tried to do this: syms a b has(a|b,'or') % log...
nästan 5 år ago | 1 answer | 0
1
answerHow to change the parameters of a loop
figure; for i=1:9 A(((i-1):i)*9+1) = instructions(i) plot(A(((i-1):i)*9+1)) end
mer än 6 år ago | 0
Setting pixel to maximum color values in grayscale image.
You can use uint8 to saturate all the values between 0 and 255. You can test it as: gray_as_RGB = uint8(repmat(grayimg, [1 1 ...
mer än 6 år ago | 0
How to solve this question?
Oh, a really interesting problem. Lets try to solve it as easy as possible... Lets propose some ideas: Sum two constant numbe...
mer än 6 år ago | 0
Standard deviation of decimal numbers
The error you are obtaining is less than 1e-15, which is 0 in practice. If you want to consider this case, you can use a thresho...
mer än 6 år ago | 1
Norm function for 2 variables
n = norm(v) returns the Euclidean norm of vector v. This norm is also called the 2-norm, vector magnitude, or Euclidean leng...
mer än 6 år ago | 0
PARFOR Transparency violation error
Parfor loop don't work in GPU, it just multithread your CPU code, so you have to be careful with the variables you use because a...
mer än 6 år ago | 0
What is the fastest way to compute the first eigenvector?
Read about eigs
mer än 6 år ago | 0
| accepted
Why do i get a blank graph?
You are computing v1 as k1= 0.8*exp(-Ea1/(alpha*R*X(3))); v1=k1*A*X(1); v1 is a matriz of size 1x1. So when you do plot( "v...
mer än 6 år ago | 0
| accepted
How to import a 3D Python numpy array into Matlab ?
https://stackoverflow.com/questions/10997254/converting-numpy-arrays-to-matlab-and-vice-versa
mer än 6 år ago | 0
Is it possible to do multiple array of data on the same scatter plot;
Scatterplot is a really special function that needs a special syntax to plot more that one scatterplot together. If you need mo...
mer än 6 år ago | 1
| accepted
could anyone help me to solve my question
You don't need if here. You can mix them as: C = B; len_A = min(size(B,1),size(A,1)); C(1:len_A,:) = C(1:len_A,:) - A(1:len_...
mer än 6 år ago | 0
How do I create a matlab function using polyder that not only gives the coefficients but also gives the equation
I think you need here the function poly2sym: https://www.mathworks.com/help/symbolic/poly2sym.html
mer än 6 år ago | 0
| accepted
Needs derivative w.r.t. ' y ' & then graph w.r.t ' t '
diff is a function of the symbolic package, so when you try to derivate U, you are derivating a constant, and by a constant, so ...
mer än 6 år ago | 0
| accepted
Matlab plots y axis values in plot for array of x arrays
There is no problem here. Matlab is doing what you want. The problem that you see may be because you have one row that is in a l...
mer än 6 år ago | 0
| accepted
how can i make histogram without missing value(with nan,isnan)
You can remove nan before computing the histogram histogram(ws(~isnan(ws(:))))
mer än 6 år ago | 1
| accepted
How to get string field from struct with each element separated
The problem is you are using char instead of string. '1.33' is a vector of char, so if you make a vector of vectors, it compiles...
mer än 6 år ago | 0
| accepted
how i can change the explicit code to implicit code?
function [T,x] = example(c,k,p,dt,dx) alpha=k/(p*c); lamda=alpha*dt/dx^2; for n=1:4 T(n,1)=100; T(n,6)=25; end fo...
mer än 6 år ago | 1
how to find local minima of a graph like shown in the figure?
Read findpeaks
mer än 6 år ago | 1
find largest magnitude in array
A=[-0.1;1;-5;-0.8;-0.4]; tto=find(abs(A) == max(abs(A))) tt=find(abs(A) ~= max(abs(A)))
mer än 6 år ago | 0
| accepted
how can i use several loops
I will try to explain as best as I can. To do that, I will give values to the variables. nt = 4, nx = 5: for k=1:3 ( = [1,2,3...
mer än 6 år ago | 0
Correlation between two row matrices
Like that, each value of "a" is correlated to each value of "b", but applying the formula of the correlation, the correlation o...
mer än 6 år ago | 2
| accepted
Using function simple equation doesn't work
Next time, I ask you to add more info so people can help you easily and not only with a photo. The problem here is the block f...
mer än 6 år ago | 0
| accepted
How to display multiple images (non indexed images) with different sizes in a row?
I would use moon1, moon2 and moon3 as 3 images that can be different and with different size, but I will obtain them as moon1 =...
mer än 6 år ago | 0
Adding Dot For Linspace
You have two possibilities here: In the text file, you replace * by .* and / by ./ in all the document (there is an option in t...
mer än 6 år ago | 0
How can I simplify my expression?
It only needs more time to simplify: I'm doing: simplify(4.0475406620140304336968591117778*Ua + 0.048633477607650367346402317...
mer än 6 år ago | 1
| accepted
how to plot decaying exponential
Congratulation! You have your algorithm almost working, but you are using vector when you should be using scalars (As you have y...
mer än 6 år ago | 0
| accepted
How do I add numbers in a cell to another cell?
A{1}(B{1}==X) = B{1}(B{1}==X)
mer än 6 år ago | 0
