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cTroels


Last seen: 24 days ago |  Active since 2020

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Question


Sparse matrix vector product returns null.
Hi. I am computing a sparse matrix vector product. The product is between a NXN matrix, M, and Nx1 vector, V. When computing t...

1 month ago | 1 answer | 0

1

answer

Question


Improving speed in construction of a matrix
Hi. Im currently implementing a code, where part of the code constructs a matrix several million times. Currently, the construc...

3 months ago | 1 answer | 0

1

answer

Question


(Very!) Slow elementwise division using large sparse matrices.
Hi! I have written a pretty large code. A small part of the code takes the bulk of the solving time. The small part of the co...

12 months ago | 1 answer | 3

1

answer

Question


Plot not showing both functions
I have this function: function [Gamma,Beta] = Vinkel2(Dag,Tid) Tid = -12:1:12; % Let Dag = [171 355]; Phi = 56.26992; Omeg...

4 years ago | 0 answers | 0

0

answers

Question


Problem with multivariable plots
How do i plot the same function with different values of a constant in a plot? I have a function, with 2 variable inputs and 2 ...

4 years ago | 2 answers | 1

2

answers