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Question
cputime and tic...toc: high time difference
cputime and tic...toc are giving very different execution times. I am doing: function[time, output2] = foo(input1, input2) ...
7 years ago | 1 answer | 0
1
answerQuestion
why does it take forever to generate some matrices in the Matlab gallery?
I interrupted the execution of gallery('randcorr',n) and A = gallery('toeppd',n,n,rand(n,1),rand(n,1)); for n = 10000 aft...
7 years ago | 1 answer | 1
1
answerQuestion
Parallel is slower than sequential?
I am new with the Parallel Toolbox, and I have many doubts. I was implementing some parallel Jacobi algorithm, and it resulted t...
8 years ago | 1 answer | 0
1
answerQuestion
Is it possible to change the dots size of a dotted line?
I have a dotted line with asterisks in (X,Y). They are few points, but I would like to increase the size of the dots of the line...
8 years ago | 0 answers | 0
0
answersQuestion
Computational cost of function eig
I am wondering what is the computational cost (using asymptotic notation) of function eig in MatLab r2016, and what algorithm is...
9 years ago | 1 answer | 0
1
answerQuestion
Why does Jordan function take so long?
I noticed that the function "jordan" applied on a square matrix A takes really long to output the canonical Jordan form of A, J,...
9 years ago | 1 answer | 0
1
answerQuestion
Eig function for symmetric matrices
Two of the properties of symmetric matrices are that their eigenvalues are always real, and that they are always orthogonally di...
10 years ago | 2 answers | 1
2
answersQuestion
Plotting solution of ODE System
Wondering why I get such a different graph for the first variable of the system I've attached, together with the values of the i...
11 years ago | 1 answer | 0
1
answerQuestion
Weird discrepancy while plotting solutions of ode systems
I am plotting the solutions of some ode systems which describe a biological model, but the graphs I got are a bit different from...
11 years ago | 1 answer | 0
