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Last seen: 2 months 前 |  自 2019 起处于活动状态

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Time-dependent immunity and drug resistant SIR model
I have to solve this SIR model with Euler's forward. But my teacher said that it is wrong with my graph. Can anyone help me ? H...

5 years 前 | 1 个回答 | 0

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Overfitting and What is it ?
I have a data set and will divide it into " training set" and " validation set" . I choose that divide 70% training and 30% vali...

5 years 前 | 1 个回答 | 0

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Finding Linear regression equation
I have table of data x = [65 65 62 67 69 65 61 67] y = [105 125 110 120 140 135 95 130] How can i find the equation y = mx...

5 years 前 | 2 个回答 | 0

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using f(end)
i am training now for matlab. but i can not understand how matlab works for this one f(end)? x = [2 5 3] f = 2 f(x) = f(end)...

5 years 前 | 1 个回答 | 0

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Fibonacci serie, can not calculate with big number
function area = triangle_sequence(n) % Fibonacci% Fibonacci if n == 1 area= 25 elseif n == 2 area = 25 +16 else ...

6 years 前 | 2 个回答 | 0

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How to change a sign of elements in a matrix for each coulmn separatly ?
I want to change v = [-2 3 0.5 4 22 15 -19 -0.01 104 78] to vny = [-2 -3 0.5 -4 22 -15 -19 0.01 104 -78]...

6 years 前 | 1 个回答 | 0

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