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Dinh Le Dung


Last seen: 2 years 前 |  自 2022 起处于活动状态

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统计学

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How to set up Neural network and train the data
I have a linear system: x(n+1) = Ax(n)+By(n) y(n+1) = Cx(n)+Dy(n) x(0) = -2, y(0) = 3. I also have set of 1000 point (x,y) ...

2 years 前 | 1 个回答 | 0

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How to get quiver plot with gradient color
clc clear; sys = @(~,x) [-3*x(1)+3*x(2);-2*x(1)+x(2)]; syms r j space = 1.5; [r,j] = meshgrid(-4:space:4,-4:space:4); dr =...

2 years 前 | 1 个回答 | 0

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How to draw unit normal vector?
I have done all , except for the part plot unit normal vector. Could you help we solving it, thanks a lot <3

2 years 前 | 2 个回答 | 0

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How to get the discriminant for symbolic quadractice equation?
I got a quadractic equation save in f. How can i calculate d= b^2-4ac from that equation?

2 years 前 | 1 个回答 | 0

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Is this code good enough for illustrate gradient descent
This is my code for 15 iterative steps clf X = -3:0.1:3; [X,Y] = meshgrid(X); Z = 4*X.^2-4*X.*Y+2*Y.^2; surf(X,Y,Z,'FaceC...

2 years 前 | 0 个回答 | 0

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How to plot this type of function?

2 years 前 | 1 个回答 | 0

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How to plot this function

2 years 前 | 3 个回答 | 1

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Reduce matrix to row echelon
I want to reduce a matrix contain variable m to echelon form or reduced row echelon form : A = [1,2;3,m] i.e The answer should...

2 years 前 | 1 个回答 | 0

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Draw a solid bounded by many surface
Can you guys help me sketch this solid

2 years 前 | 1 个回答 | 0

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Problem with ploting exp function
I try to plot t(x,y) = (x^2 - 2y^2)*e^(x-y) in Matlab and i use the following code t=@(x,y)((x.^2-2*y.^2).*exp(x-y)); x = -1:2...

2 years 前 | 2 个回答 | 0

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Reshape row vector with given number of column
I try to turn a row vector into a new vector with a given number of column: Ex: A = [1,2,3,4,5,6] , col = 3 Output would be ...

2 years 前 | 1 个回答 | 0

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