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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) ...
oltre 7 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
oltre 7 anni fa | 1 risposta | 1
1
rispostaDomanda
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...
circa 8 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
circa 8 anni fa | 0 risposte | 0
0
risposteDomanda
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...
oltre 9 anni fa | 1 risposta | 0
1
rispostaDomanda
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,...
oltre 9 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
quasi 10 anni fa | 2 risposte | 1
2
risposteDomanda
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...
quasi 11 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
quasi 11 anni fa | 1 risposta | 0
