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# 奥 刘

Last seen: Today Con actividad desde 2020

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How to find the variable that minimize the root mean squared error between a known vetor and the multiplication of this variable and an another known vector?
Supposing that I have a variable , and two known vectors , where is a known number. I want to find the that minimizes the root...

alrededor de 2 horas hace | 1 respuesta | 0

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Pregunta

How to fix "fsolve stopped because it exceeded the function evaluation limit" while using fsolve function?
Recently, i'm trying to solve a nonlinear equation set by using "fsolve" . I created my personal function as the following: fu...

alrededor de 1 año hace | 0 respuestas | 0

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Pregunta

Problem in sorting the elements of a complex column vetor in descending order.
I am trying to sort the elements of a complex column vetor in descending order. The vector V is, 0.00192283028876372 + 2.81043...

alrededor de 1 año hace | 1 respuesta | 0

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Failure in initial objective function evaluation. FSOLVE cannot continue.
Recently, i'm trying to solve a nonlinear equation set by using "fsolve" . I created my personal function as the following: fu...

alrededor de 1 año hace | 1 respuesta | 0

### 1

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Pregunta

Can PCA be applied to achieve any data dimension that we want?
Recently, I was trying to reproduce an algorithm in other's paper. In it, the author exploited PCA to reduce the dimensionality ...

más de 1 año hace | 1 respuesta | 0

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Failure in initial objective function evaluation. FMINUNC cannot continue. Need some help
It's my first time to use fminunc solver. R_pq,array_x,array_y,M,N,R00 are constants I have set. x0 = -pi + (pi+pi)*rand(M,N)...

más de 2 años hace | 2 respuestas | 0

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