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统计学

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Is there any easy way to change x*y production to x.*y production?
Is there any easy way to change x*y production to x.*y production? Hi I have huge function.m result and I numerically integrat...

11 years 前 | 3 个回答 | 0

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how can I get rid of these errors?
hi I have a huge function to integrate >> syms x y >> f=(228155022448185.*(cos((2.*pi).*y)./exp(131738205584307./(3518...

11 years 前 | 1 个回答 | 0

1

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提问


quad for multi variable functions
I have a function which has 4 different variables and I want to find the numerical integration of it with quad command in case o...

11 years 前 | 1 个回答 | 0

1

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提问


what does this error mean?
hi do you have any idea what does it mean??? ??? Attempt to reference field of non-structure array. Error in ==> sy...

11 years 前 | 2 个回答 | 0

2

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how can I fix this?
here is a code to get the permutation of each rows of a matrix a=[ 1 2 2 2 2 3]; for ii=...

11 years 前 | 1 个回答 | 0

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提问


how to get permutation of each rows of matrix
hi I want to get a matrix which consists all permutation of each rows of previous matrix... For example, A = ...

11 years 前 | 2 个回答 | 0

2

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提问


how automatically label multiple outputs in the loop?
hi how automatically label multiple outputs in the loop? I do not know it is possible or not... may be it is very basic... I...

11 years 前 | 2 个回答 | 0

2

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how can I write all for loop outputs in single matrix?
how can I write all for loop results in single matrix? For example ans = -2 -2 -1 -2 -2 1 ...

11 years 前 | 2 个回答 | 0

2

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how can I cancel repeated results?
Hi how can I cancel repeated results??? here a function result st s = -2 2 -1 s = -2 -2 1...

11 years 前 | 3 个回答 | 0

3

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提问


"plus/minus" sign operator
Hi I have a row matrix which is like n=[x,y,z] I need to consider plus and minus signs at the same time and get a permutati...

11 years 前 | 2 个回答 | 0

2

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how to get plus and minus sign element of matrix at the same time?
I have a matrix like n=[x,y,z] I need to consider plus and minus sign of x,y and z "at the same time" because I need unique ...

11 years 前 | 1 个回答 | 0

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