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# Tino

36 total contributions since 2019

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Question

Matrix manipulation in three numbers
Hello Please I have 2 numbers in a column that does the same function below croppedz = z(1:end-mod(end, 2*K), :); %ensure th...

2 jours ago | 0 answers | 0

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Question

Am getting the error ' Array indices must be positive integers or logical values.
hi Find the following code below kiki = 2; xander = 1/n * h1 (sum(kiki * (([m{:}] - numel(Test)/h1)))); I am getting the fo...

6 jours ago | 1 answer | 0

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Question

zero for input argument
Hi i am getting the following error below Undefined function 'zero' for input arguments of type 'double'. Error in com...

7 jours ago | 1 answer | 0

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Question

Conditional statement of matrix
hello I have the following dataset A 1 2 2 3 4 5 6 7 5 . . . n I want to write a conditional statement that will...

8 jours ago | 1 answer | 0

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Question

Error 1 exceed array bound
Hi Please find my code below when I run the code, I am getting the error find below Will appreciate your help Tino dists...

8 jours ago | 1 answer | 0

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Question

scanning through rows of a single column
Hi Please I have a large data x with 200 rows and 1 column I want to create a condition if statement that will do the followi...

8 jours ago | 0 answers | 0

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Question

Multiplication of rows in a single column
Hi Please how do I multiply the rows in a single column I have a matrix with the size 200 1 thanks for your help for ins...

9 jours ago | 2 answers | 0

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Question

Unable to use a value of type 'cell' as an index.
Hi How can I make refer to a value in an index for instance I have m = [0] [1] [4] [3] [8] [3] [1] [4] [2] [1] ....

9 jours ago | 1 answer | 0

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Question

Shorten code for a function
Hi Please I have this function fnP=@(a,i)(sum(a(i)>a(1:i))+0.5*sum(a(i)==a(1:i)))/i; and I get generated result for each colu...

9 jours ago | 1 answer | 0

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Question

Table manipulation of matrix
Hi I want to a code that will compute group each c1/c2 for each column using K = to any number Assuming I have n = numbers len...

9 jours ago | 1 answer | 0

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Question

finding the computation for n columns
Hi Given a a vector table z with column and row of 1200 and 1200 respectively I want to compute the following for each row...

10 jours ago | 1 answer | 0

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Question

Short code for assigning labels in a large dataset
Hello Please I have a function which calculate conformal prediction for instance if k Z has a size of 1200 12000 rows = 120...

10 jours ago | 0 answers | 0

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Question

dimension consistency of matrix
Hello I have 2 columns A B 1 2 2 4 3 3 4 1 6 1 3 4 5 6 How do I make B the ...

10 jours ago | 1 answer | 0

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Question

Knnsearch given wrong number of argument
matlaHi Can anyone effectively correct me on this Thanks in advance Regards Jonathan Train = [1194; 1005; 731; 658; 652;...

11 jours ago | 0 answers | 0

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Question

Conditional approach in a matrix variables
Hi Assuming I have the following matrices Y = [ 4,6,8,4,3,.......n] I want to compute a conditional statement that would go ...

15 jours ago | 1 answer | 0

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Question

Adding labels to a matrix number
please I have the following matrixes T = 5.1000 3.5000 1.4000 0.2000 6.4000 3.2000 4.5000 1.5000 ...

21 jours ago | 1 answer | 0

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Question

confusion matrixes of 2 dimension
Hello I am trying to do the following computation confusionmat h = 5.1000 3.5000 1.4000 0.2000 6.4000 3.200...

21 jours ago | 1 answer | 0

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Question

making one matrices dimension same as other
hi I have the following matrices h = 5.1000 3.5000 1.4000 0.2000 6.4000 3.2000 4.5000 1.5000 5.40...

21 jours ago | 1 answer | 0

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Question

Error using trace in matrices manipulation
Hello I am trying to compute 2 different matrixes of various size using the code below and I am getting an error in the lin...

22 jours ago | 1 answer | 0

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Question

confusion matrix for different dimension
plot(confusion(Training,Test)); I am trying to plot this but it is saying that target and output give different dimensions Tr...

22 jours ago | 0 answers | 0

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Question

calculating confusion matrices to find the recall, precision
Hi I have 2 different matrices of varying sizes for T and d T = 1 2 3 1 2 4 8 1 2 7 5 1 3 3 3 3 2 2 3 4 1 2 3 5 d = 2...

22 jours ago | 0 answers | 0

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Question

Short code for the expression
h =2; P = [1, 4, 5, 7]; a1 = (1-h)* 1 + h * P(:, 1); a2 = (1-h) * a1 + h * P(:, 2); a3 = (1-h) * a2 + h * P(:, 3); a4 =...

23 jours ago | 1 answer | 0

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23 jours ago | 1 answer | 0

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Question

what function can be used to divide matrixes with n length
Hi, Please I need a code that will do this computation below Thanks in advance Please given x = 1 2 3 4 5...... x.lengt...

29 jours ago | 1 answer | 0

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Question

simple code for the log computation
Hello, Please can anyone help me with a short code to do the following computation below X = { 1, 2, 3, 5, 6} M1 = log10(X(:,...

29 jours ago | 2 answers | 0

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Question

calculating Kernel density for each column
Hi Please how do I need a short code that will calculate the KDE of each column in the R.length data below the KDE is given ...

environ un mois ago | 1 answer | 0

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Question

Calculating mean for each column
Hi Please how do I compute the mean of each column using R of varying length ( R.length) Thanks in advance R = [ 0.6164 ...

environ un mois ago | 1 answer | 0

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Question

short programs to subtracts rows from a matrix of n length
Hi, Please kindly help me with a short program that can do this computation using T.length and X.length. Please find my comput...

environ un mois ago | 1 answer | 0

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Question

How to subtract a number from a previous one
given a set of number 1, 0.75, 0.50, 0.6 I want a code that could compute the following given the first value as 1 for instan...

environ un mois ago | 1 answer | 0

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Question

How do I restart my code again if the conditions are not satisfied
Hi guys Please is there any code that will make me restart a coding process. for instance I have a running code and finalised...

environ un mois ago | 0 answers | 0