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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 ...
bijna 5 jaar 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...
bijna 5 jaar ago | 1 answer | 0
1
answerSolved
Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...
meer dan 6 jaar ago
How 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
meer dan 6 jaar 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 ...
meer dan 6 jaar 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...
meer dan 6 jaar 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...
meer dan 6 jaar 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...
meer dan 6 jaar 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...
meer dan 6 jaar ago | 0
What is the fastest way to compute the first eigenvector?
Read about eigs
meer dan 6 jaar 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...
meer dan 6 jaar 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
meer dan 6 jaar 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...
meer dan 6 jaar 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_...
meer dan 6 jaar 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
meer dan 6 jaar 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 ...
meer dan 6 jaar 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...
meer dan 6 jaar 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(:))))
meer dan 6 jaar 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...
meer dan 6 jaar ago | 0
| accepted
Solved
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
meer dan 6 jaar ago
Solved
Divide by 4
Given the variable x as your input, divide it by four and put the result in y.
meer dan 6 jaar ago
Solved
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
meer dan 6 jaar ago
Solved
find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y
meer dan 6 jaar ago
Solved
Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2
meer dan 6 jaar ago
Solved
Counting down
Create a vector that counts from 450 to 200 in increments of 10.
meer dan 6 jaar ago
Solved
Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).
meer dan 6 jaar ago
