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Bella


自 2016 起处于活动状态

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统计学

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How to use the Golden-Section Search for finding the MAX f(x) value?
I know how to find the min but not really sure how to find the max..

8 years 前 | 2 个回答 | 0

2

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How to find minimum y value numerically using the fminsearch function?
For the equation f(x,y)=-8x+x^2+12y+4y^2-2xy... I found the minimum x value by putting the anonymous function using x1 for x an...

8 years 前 | 1 个回答 | 0

1

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How to enter an ln equation in a bisect function?
I am trying to find the real root of ln(x^2) = 0.7 using the bisection method but whenever i try to name the function with this ...

8 years 前 | 1 个回答 | 0

1

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How to do a taylor series in matlab with e?
if the equation was g(x)=e^x/(cos(x)+tan3(x)) for x=2 I tried >> x=2;taylor(exp(e^x/(cos(x)+tan3(x)))) but an error comes up w...

8 years 前 | 1 个回答 | 0

1

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How do i convert a Base-2 number into Base-10?
If the number is 1011001 then I thought I would do 2^0+2^3+2^4+2^6= 89 then (8x10^1)+(9x10^0)= 89 Would 89 be correct or shou...

8 years 前 | 1 个回答 | 0

1

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What is a code that calculates the total dollars in commission this salesperson would receive?.
If someone sells less than $400, 7% commission If someone sells between $400 and $750, 10% commission If someone sells bet...

8 years 前 | 0 个回答 | 0

0

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Develop an m-file function to compute v as a function of t. Develop a script to plot v versus t from t=-5 to 50 .
I am so lost on how to do this... v(t) is a piecewise function v(t)= 10t^2 - 5t for 0<=t<=8 624-3t for 8<...

8 years 前 | 1 个回答 | 0

1

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how to insert the column [60;80] into the third column
A=[1 5 6; 3 0 8]

8 years 前 | 5 个回答 | 0

5

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What is the matrix multiplication of these two vectors?
A=[ 1 1 1 4 5] and B=[1 2 3 4 5]

8 years 前 | 2 个回答 | 0

2

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What is the command to make a vector t that looks like this?
0 0.25 0.5.......5

8 years 前 | 1 个回答 | 0

1

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What is a(:,2:3)?
a = [ 1 2 3 4 5; 2 3 4 5 6; 3 4 5 6 7; 4 5 6 7 8]

8 years 前 | 3 个回答 | 1

3

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