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Viviana Arrigoni


Last seen: 11 months 前 |  自 2015 起处于活动状态

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统计学

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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) ...

5 years 前 | 1 个回答 | 0

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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...

5 years 前 | 1 个回答 | 1

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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...

6 years 前 | 1 个回答 | 0

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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...

6 years 前 | 0 个回答 | 0

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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...

8 years 前 | 1 个回答 | 0

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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,...

8 years 前 | 1 个回答 | 0

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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...

8 years 前 | 2 个回答 | 1

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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...

9 years 前 | 1 个回答 | 0

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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...

9 years 前 | 1 个回答 | 0

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