Community Profile # Silpa K

30 total contributions since 2019

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Question

finding sub sequences of a data set
clc clear ts = xlsread('SwedishLeaf_TRAIN.xlsx'); l=length(ts); for i = 1:500 p=ts(i,:) for ii = 1:129 ...

11 days ago | 1 answer | 0

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Question

Splitting data set using information gain
How find maximunm information gain and using this maximum information gain how can I split each row of my data set.

15 days ago | 0 answers | 0

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Question

Classification using test and train datasets.
For classifcation using decision tree and finding the accuracy of the classification I used the code below, but I am getting err...

15 days ago | 1 answer | 0

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Question

How to find guassian distribution
How to find gaussian distribution of an image using mean=128 and variance=1689.2347.

16 days ago | 1 answer | 0

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Question

Finding transpose of values.
ts = xlsread('ArrowHead_TRAIN.xlsx'); for i = 1:100 b=20 p=ts(i,:); n= numel(p); Z=mat2cell(p,diff([0:b:n...

17 days ago | 1 answer | 0

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Question

Edge weight determining using nodes.
I need to find the edge weight using the equation Sij =Hij/Hi , Hi represents the earthquake number occurring in node i, Hij ...

1 month ago | 0 answers | 0

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Finding transmission map of an image.
How to calculate transmission map of an image using standard deviation. I used the following equation but I didn't get the corr...

1 month ago | 1 answer | 0

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Question

no-reference image illumination assessment metric.
If I use this equation how can find no-reference image illumination assessment metric value.Is it possible to find without t...

1 month ago | 0 answers | 0

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finding EME of an image
I have an image I need to find the the measure of enhancement(EME) .How can find that. If I use use the following equatios how ...

1 month ago | 0 answers | 0

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Question

contrast gain of an image
I have an image that from an hazy image model,a haze free image.I need to find the contrast gain of this image.How can I find th...

1 month ago | 1 answer | 0

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Question

Hazy image equation implementation.
I have an hazy image equation. When I am try to implement that equattion I only get a black image only. This is my equation. ...

1 month ago | 2 answers | 0

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Question

Apply conditions in if statement.
A = []; for ii = 1:length(subSequence) if any(ismember(subSequence{ii},out)) && mod(k-midpoint)<=G+l/2 A{end...

1 month ago | 0 answers | 0

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Question

Distance between point and an array.
How can I find distance between a point and an n-array elements.

1 month ago | 1 answer | 0

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Question

Improving the accuracy of a dataset.
Iam using a desicion tree classification method.I need to improve the accuracy,without modifying the dataset.How can I improve t...

1 month ago | 0 answers | 0

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Question

Apply all steps in whole data set.
clc clear ts = xlsread('ECGFiveDays_TRAIN.xlsx'); p=ts(1:1,2:end); fa = movstd(p ,20,1); secarray = movstd(fa,20,1) ; k=...

1 month ago | 1 answer | 0

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Question

wirte in excel sheet.
I need to write some arrays in specified rows.I use xlswrite('Book1.xlsx',q,'A11:BI2').But I get the same answer in each rows.Th...

1 month ago | 2 answers | 0

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Question

Find the index value
I have a an array.I need to find its index value.How can i do that?

2 months ago | 1 answer | 0

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Question

classification using decision tree
I have A=[0.0218 -0.0324 -0.0107 -0.0324 0.0001 -0.0107 -0.0107 -0.0324 -0.0216 0.0001 -0.0162 -0.0324 ...

2 months ago | 1 answer | 0

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Question

marking some points.
A=[0.8570, 1.0447 , 1.2136 , 1.3637 , 1.4670 , 1.4576 , 1.3731 , 0.9696 , 0.6505 , 0.2845] B=[1.2136,.2845] p...

2 months ago | 1 answer | 0

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Question

Nearest value from an array.
I have a set of numbers 'N'.I need to find each optimal nearest value of each N , from a series. If M=[1,2,3,4,5,6,7,8,910] a ...

2 months ago | 1 answer | 0

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Question

A number contain in a series.
I have a series 's' s=(1:1,2:end) I find its subsequences like a=s(1:30) b=s(30:60) c=s(60:90) d=s(90:120) e=s(120:150) ...

2 months ago | 1 answer | 0

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Question

find all subsequence from a series.
I have a series containing 250 points.I need to find all the subsequences of it.Then any subsequence contain point 0.4 then I ne...

2 months ago | 0 answers | 0

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Question

Finding all the subsequences
I have a set of numbers.I pollted it.I need to find all the subsequence of it and need to plot If a=[1,2,3,4,5,6,7,8,9,0.4,0.1,...

2 months ago | 0 answers | 0

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Question

finding the extreme points
I have a set a=[0.4,0.3,0.48,0.32,0.12,0.42] .I plotted this plot(a).I need to find all the extreme points (minimum and maximum)...

2 months ago | 0 answers | 0

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Question

Extreme points finding from set
d = xlsread('FaceFour_TRAIN.xlsx') s = d(1:1,2:end); fa = movstd(s,20,1); secarray = movstd(fa,20,1) ; secidx = find(secarr...

2 months ago | 1 answer | 0

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plotting graph and mark points
d = xlsread('FaceFour_TRAIN.xlsx') f=d(d>.04); plot(d) I need to mark the f in d and the d I need to represent like a single...

2 months ago | 0

Question

plotting graph and mark points
Hi, I have a set A that contain 200 points and a subset of the set B.I need to graph the A and I need to mark the points in the...

2 months ago | 2 answers | 0

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Question

3 months ago | 2 answers | 0