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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) ...
quasi 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...
quasi 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...
oltre 7 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...
oltre 7 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...
circa 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,...
circa 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...
circa 9 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...
oltre 10 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...
oltre 10 anni fa | 1 risposta | 0
