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Question
Why does my subtraction yield different results?
I have been working on an analysis and after simplifying my code for speed the results came out differently even though I think ...
ongeveer 2 jaar ago | 2 answers | 0
2
answersQuestion
How to change the colorbar limits in Matlab?
Dear all, I want to apply log scaling to my colormap because the data I have is heavily skewed. My code is the following: A = ...
bijna 3 jaar ago | 2 answers | 0
2
answersQuestion
Question about matrix manipulation
Dear all, So I have the following problem: A = magic(9); %% this is a 9x9 matrix, which can be divided into 9 3x3 matrice...
bijna 3 jaar ago | 1 answer | 1
1
answerQuestion
How to keep logarithmic scaling constant between multiple graphs?
Dear all, For a research project I want to display a relatively large matrix (1435x1435) that has coefficients between 0 and 1....
bijna 3 jaar ago | 1 answer | 0
1
answerPreallocating for speed with increments
YUS = Y(:,ROW); B = zeros(1,35); C = B; for h = 1:35 for l = h:35:1435 A = YUS(l,:); B = [B; A]; end B = one...
meer dan 3 jaar ago | 0
Question
Preallocating for speed with increments
I am trying to improve the efficiency of my code (the code I am running now takes several minutes to execute) and parts of my co...
meer dan 3 jaar ago | 2 answers | 0
2
answersQuestion
Elementwise division in matrix notation
Dear all, I am trying to write the following code in matrix notation: A = B. / C; A, B and C are column vectors with 1435 row...
bijna 4 jaar ago | 2 answers | 0
2
answersQuestion
How to replace specific values with 0's
Dear all, I have a 1435x205 matrix and I want to obtain the sum of a specific set of cells. In this case it is from the 146th t...
bijna 4 jaar ago | 2 answers | 0
2
answersQuestion
How to replace all but one value with zero
I have generated the following vector f: f=[49; 18; 48] And I want to be able to replace each element, except let's say f21, w...
bijna 4 jaar ago | 1 answer | 0
1
answerQuestion
Generating a matrix with specific sums
Dear all, I am trying to generate a matrix based on specific sums. Let's say I generate the following matrix X = randi([0 400]...
bijna 4 jaar ago | 2 answers | 0
