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Oscar Tsang


Last seen: 3 years ago |  Active since 2019

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Neural Network - MLP
As a challenge for myself I have plotted the classification regions for a neural network classifier(using sigmoid activation fu...

5 years ago | 1 answer | 0

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answer

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Extra commas when using fprintf
Well, my problem is that within the for loop im printing the number of iterartions and the old means using fprintf. The only pro...

5 years ago | 2 answers | 0

2

answers

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classification regions for a rule-based classifier in 2D.
I have been given the task the write one rule which produces the graph below, the best i could do is in 2 rules, Y < 0.5x And 1 ...

5 years ago | 0 answers | 0

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answers

Question


Proportion of pixels in black
my question is that how to find the proportion of black points after converting the image into black and white. I have alreay co...

5 years ago | 0 answers | 0

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answers

Question


5x5 grid of black squares
I'm trying to lot a 5x5 grid of black boxes. I know i have to use a loop and but having trouble filling the boxes and get the pr...

5 years ago | 1 answer | 0

1

answer

Question


border of random colour around grey image
Hi, I was wondering how would you put a border of random colour (50 mpixels wide) around the grey image?? Just stuck on how t...

5 years ago | 2 answers | 0

2

answers

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length of the largest sub sequence sorted in a non-decreasing order.
For an assignment, I have done question 3a, but i don't know how would do/ approach question 3b. Any help would be appriciated. ...

5 years ago | 1 answer | 0

1

answer

Question


6,8 Matrix
The problem I'm having is that for an assignment the question was " A matrix with 6 rows and 8 columns of integers between 1 an...

5 years ago | 1 answer | 0

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answer

Question


Manipulating a image of a yellow car.
I have a JPG image of a yellow car and one of the task was to flip it 3 different ways which I did. The only pickle I'm is is th...

5 years ago | 1 answer | 0

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answer

Question


how do i place a matrix on top of each other using repmat
I have 3 matrix's. Matrix Z1 with 5 rows and 5 columns of zeros, matrix Z2 with 5 rows and 10 columns of ones. And, matrix Z3 wi...

5 years ago | 1 answer | 0

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answer