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Mariano


Universidad de Oviedo

Last seen: 4 månader ago |  Active since 2014

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Spain

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MATLAB
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Question


Use sendmail with Reply To
Hello, I want to add a "Reply To" field in an email sent with Matlab's sendmail. I have tried setpref('Internet','Reply_To','m...

nästan 2 år ago | 2 answers | 0

2

answers

Question


Where do all these digits come from?
Hello I know Matlab stores 52 bits which roughly means 16 decimal places. But if I ask for 40 digits of pi, I get 40 digits, th...

nästan 5 år ago | 1 answer | 0

1

answer

Answered
A doubt regarding a simple For loop indexing for certain rows only.
a = [1 2 3 4 % start point A 1 2 4 5 % delete 1 2 4 5 % delete 1 2 4 5 % delete 1 ...

mer än 5 år ago | 1

Answered
Numerical integration: quadgk vs integral
Thanks a lot for your answers. They have been very helpful. Best wishes, Mariano

mer än 5 år ago | 0

Question


deval and fplot give strange warnings
Hello, I have found the following strange behaviour: 1) First, I solve an initial value problem for an ode numericall (say, w...

mer än 5 år ago | 0 answers | 0

0

answers

Answered
Strange (lack of) round-off error using norm
I should have said version and computer: R2018b on Windows 64bits.

nästan 6 år ago | 0

Question


Strange (lack of) round-off error using norm
Hello, I have found this behaviour: >> format hex >> p=[sqrt(2) sqrt(2)]*1e3; >> sqrt(sum(p.^2)) ans = 409f400000000001...

nästan 6 år ago | 1 answer | 0

1

answer

Answered
I do not like this
Thanks for your answer. I know what I am getting. It is the same I got before with kron when I wanted it. For me .* had always...

mer än 6 år ago | 0

Question


I do not like this
>> [1 2].*[1;2] ans = 1 2 2 4 I prefer the error message!

mer än 6 år ago | 1 answer | 0

1

answer

Question


Numerical integration: quadgk vs integral
Hello: I have not been able to find out what is the underlying quadrature formula in Matlab's builtin function integral. I thi...

mer än 9 år ago | 2 answers | 2

2

answers