Chimezie Umezie

2012 年からアクティブ

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質問

How to determine the stationary points of a fitted second order model using Matlab?
Below is the Matlab code developed for fitting a second order model to the data X1,X2,X3 and X4 %Matlab algorithm for Fitting...

約13年前 | 1 件の回答 | 0

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質問

Can Matlab be used to perform the optimization of a second order model to determine the optimum points?
I have a second order model with 4 variables and I plotted the surface plot of the response against 2 of the variables while kee...

約13年前 | 1 件の回答 | 0

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質問

Do I need to add a column of ones on the predictor matrix for use in LinearModel.fit(X,y)
I have a predictor matrix X and I want to create a model using mdl=LinearModel.fit(X,y,'interactions'). Is it necessary to add ...

約13年前 | 1 件の回答 | 0

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質問

How to create a model using the mdl=LinearModel.fit(X,y)
I want to use the mdl=LinearModel.fit(X,y) to create a linear Model in Matlab 2011a but I am getting the following error messa...

約13年前 | 1 件の回答 | 0

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質問

Can I use "LinearModel.fit(X,y) with matlab 2011a?
I am using matlab 2.12a and I am trying to use mdl=LinearModel.fit(X,y)but am getting an error message

約13年前 | 1 件の回答 | 0

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質問

What is the order of the regression parameters for a full quadratic model in Matlab?
I have a 4 factor model and I used the regstat function in matlab to determine the coefficients but I do not know the order in w...

約13年前 | 1 件の回答 | 0

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How to create a Coefficent table for regression analysis
I want to create a Coefficient table showing the Standard errors, P-value,t-statistics and the coefficient. I have used the...

13年以上前 | 1 件の回答 | 0

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What is the algorithm to estimate model coefficients in a Central Composite Rotatable Design?
The coded variables for the four factors are as follows: X1 =[-1 1 -1 1 -1 1 -1 1 -1 1 -1 1 -1 1 -1 1 0 0 -2 2 0 0 0 0 0 0]'...

13年以上前 | 1 件の回答 | 0

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How to generate coded variables ( ±1 ) from a predictor matrix for a linear model in Response Surface design
The variables are T,V,C & A T=[15,5,15,5, 15,5,15,5, 15,5,15,5, 15,5,15,5]'; V=[10,5,5,10,5,10,10,5,5,10,10,5,10,5,5,10]'; C=...

13年以上前 | 0 件の回答 | 0

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How to create ANOVA table for checking lack of fit sum of squares in Matlab 2007b
I want to create an ANOVA table to check for lack of fit sum of squares in a linear regression problem where the yield,y can b...

13年以上前 | 0 件の回答 | 1

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質問

How to sort the elements of a matrix in a random order
I have three matrix A=[4,5,8,1,6,3]', B =[1,2,3,7,9,6]' and C=[3,1,2,4,7,9]' and I want to generate X=[A B C] such t...

13年以上前 | 4 件の回答 | 1

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質問

How to sort the elements of a matrix in a random order
I have three matrix A=[4,5,8,1,6,3]', B =[1,2,3,7,9,6]' and C=[3,1,2,4,7,9]' and I want to generate X=[A B C] such that each ele...

13年以上前 | 0 件の回答 | 0

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How can I create ANOVA table using the syntax "mdl=LinearModel.fit(X,y,anovatype) and "tbl=anova(mdl,anovatype)". My matlab version is 7
I want to create an ANOVA table to enable carry out model adequacy checking using Lack of Fit sum of squares and pure error sum ...

13年以上前 | 1 件の回答 | 0

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