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gonzalo Mier


96 2017 年以降の合計貢献数

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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]; ...

3ヶ月 前

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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

4ヶ月 前 | 0

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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 ...

4ヶ月 前 | 0

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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...

4ヶ月 前 | 0

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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...

4ヶ月 前 | 1

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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...

4ヶ月 前 | 0

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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...

4ヶ月 前 | 0

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What is the fastest way to compute the first eigenvector?
Read about eigs

4ヶ月 前 | 0

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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...

5ヶ月 前 | 0

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How to import a 3D Python numpy array into Matlab ?
https://stackoverflow.com/questions/10997254/converting-numpy-arrays-to-matlab-and-vice-versa

5ヶ月 前 | 0

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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...

5ヶ月 前 | 1

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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_...

5ヶ月 前 | 0

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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

5ヶ月 前 | 0

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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 ...

5ヶ月 前 | 0

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Extracting histogram each row of matrix
Read histogram

5ヶ月 前 | 0

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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...

5ヶ月 前 | 0

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how can i make histogram without missing value(with nan,isnan)
You can remove nan before computing the histogram histogram(ws(~isnan(ws(:))))

5ヶ月 前 | 1

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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...

5ヶ月 前 | 0

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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,...

5ヶ月 前

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Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

5ヶ月 前

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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]

5ヶ月 前

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Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

5ヶ月 前

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find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

5ヶ月 前

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Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

5ヶ月 前

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Min of a Matrix
Return the minimum value in the given matrix.

5ヶ月 前

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factorial of a number x
Factorial of a number x

5ヶ月 前

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Counting down
Create a vector that counts from 450 to 200 in increments of 10.

5ヶ月 前

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Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).

5ヶ月 前

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Is my wife right?
Regardless of input, output the string 'yes'.

5ヶ月 前

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

5ヶ月 前

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