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Dinh Le Dung


Last seen: Today Active since 2022

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Question


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?

ongeveer 22 uur ago | 1 answer | 0

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Question


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...

13 dagen ago | 0 answers | 0

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answers

Question


How to plot this type of function?

16 dagen ago | 1 answer | 0

1

answer

Question


How to plot this function

17 dagen ago | 3 answers | 0

3

answers

Question


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 maanden ago | 1 answer | 0

1

answer

Question


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

3 maanden ago | 1 answer | 0

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Question


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...

4 maanden ago | 2 answers | 0

2

answers

Question


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 ...

4 maanden ago | 1 answer | 0

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answer