Nirmal

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Canonical Correlation Analysis - canoncorr function in matlab
I am just starting with CCA, I am trying to explore it using the matlab function, but I guess I am stuck understand the result I...

mehr als 11 Jahre vor | 1 Antwort | 0

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Understanding output of perfcurve
[X,Y,T,AUC2,OPTROCPT] = perfcurve(classtest,classpredict,2); My classtest as well as classpredict are 460*1, but when i run ...

etwa 12 Jahre vor | 1 Antwort | 0

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SVM Error - The first input should be a struct generated by SVMTRAIN
I am getting error using following code with SVM SVMStruct1 = svmtrain(data,class,'kernel_function','linear'); class12=...

etwa 12 Jahre vor | 0 Antworten | 0

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What do all these errors mean and is there anything that I can do to prevent/fix this
http://www.mathworks.com/help/matlab/matlab_prog/resolving-out-of-memory-errors.html This might help!

mehr als 12 Jahre vor | 0

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Error using ==> mtimes Inner matrix dimensions must agree.
pts3 = H*[pts1;ones(1,n)]; if you check the size of H and size of [pts1;ones(1,n)], the no. of columns of H and no. o...

mehr als 12 Jahre vor | 0

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getting rid of a loop
b=[V(:,4) V(:,5) V(:,10) V(:,18)] b will be what you want.

mehr als 12 Jahre vor | 0

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ROC curve for Decision Tree
I am getting ROC curve for decision tree but I am a bit taken away by the curve. Its similar to the curve, http://ard.bmj.com...

mehr als 12 Jahre vor | 2 Antworten | 0

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Entering a formula by user
Have a look at eval: http://www.mathworks.com/help/techdoc/ref/eval.html aMatrix = magic(5); expression = input('Ent...

mehr als 12 Jahre vor | 0

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Subscript indices must either be real positive integers or logicals; Perimeter issue
plot(x,y((i-1)*5000:i*5000),'g') when i=1, you are indexing y from 0:5000, matlab doesnt have 0 index.

mehr als 12 Jahre vor | 1

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Why do I get this response 'Operands to the || and && operators must be convertible to logical scalar values.'?
G=str2num(Grade); G will be a string so you need to convert that to a number using the str2num function. Its better to use...

mehr als 12 Jahre vor | 0

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rows which do not contain zero
count=sum(sum(D==0,2)==0) count will be the number of rows which are not all zeros in matrix D.

mehr als 12 Jahre vor | 0

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Initialization of array of structure
You shouldnt do LD=[], instead you should change the field of each of the structure in the array.

mehr als 12 Jahre vor | 0

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a simple question about for loop
First of all its loop not loob. I hope you meant range as a variable. the following code should work. for a = (1:10) ...

mehr als 12 Jahre vor | 0

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xlsread uses ''basic mode'' on windows with excel
I think it is because you used xlsx file if you use xls you should be fine.

mehr als 12 Jahre vor | 0

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Converting Excel columns to a vector
hf=[]; for i = 1:3 % Loop over the files a = xlsread(dataFiles{i}); % Load the data ...

mehr als 12 Jahre vor | 0

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creating a string variable to be used in xlswrite
product={'carrots' 'vegetables' 'tomatoes'}; country={'DE' 'FR' 'UK'}; Name={sprintf('Input_%s_%s.xls',count...

mehr als 12 Jahre vor | 0

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Concatenate Cell Arrays (string and numeric)
a={'john','harry'}; b={'20','30'}; a=strcat(a,'(',b,'%)');

mehr als 12 Jahre vor | 0

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Concatenate Cell Arrays (string and numeric)
a={'john','harry'}; b={'20','30'}; s='%' for i=1:2 bb=cell2mat(b(1,i)); str=sprintf('(%s%s)',bb,s); ...

mehr als 12 Jahre vor | 1

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How to save the plot with two lines
x=rand(1,10); y=1:10; h=plot(x,y,'r',x,y,'g'); saveas(h, 'test','jpg'); I want to save the plot above but i get an...

mehr als 12 Jahre vor | 1 Antwort | 0

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Read Data from .CSV File
fid = fopen(filename); M=textscan(fid,'%s','collectoutput',1,'headerlines',0); fclose(fid); X=M{1,1}; X wil...

mehr als 12 Jahre vor | 0

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reading data from dataset.txt
fid = fopen('data.txt'); M=textscan(fid,'%s'); fclose(fid); X=M{1,1} X will have each element includin...

mehr als 12 Jahre vor | 0

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How to access the variable range for leaf node in decision tree
Had to do little bit of coding but got it anyway. :)

mehr als 12 Jahre vor | 0

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Random numbergeneration with constraints
What happens if number of columns is something large may be 20? it would definitely cross your constraint of 60. if you plot the...

mehr als 12 Jahre vor | 0

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How to access the variable range for leaf node in decision tree
I want to access the variable range for each of the leaf node for the decision tree that is created by using classregtree. I can...

mehr als 12 Jahre vor | 2 Antworten | 0

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Warning on Calling fortran code in Matlab2011a
If I am not wrong, its just the warning. you might wanna try. warning off;

mehr als 12 Jahre vor | 0

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Multiple outputs from one function?
A simple example of it is: function [a,b]= myfunction(c,d) a=c*d; b=c+d; Function returns a,b.

mehr als 12 Jahre vor | 1

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matrix nan
a=[2 3 NaN 5 NaN NaN 9 3 2]; [m,n]=size(a); b=isnan(a); for j=1:n if b(j)==1 li=j-1; ...

mehr als 12 Jahre vor | 0

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Sorting Matricies
[b,c]=sort(a) b will have the sorted a, while c contains the index. Hope it helps.

mehr als 12 Jahre vor | 0

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For an nx3 matrix, order the 3 entries in each row, then order rows from least to greatest, then check for repeated rows.
This should do the job for you. a=rand(5,3); [m,n]=size(a); a=sort(a,2); a=sortrows(a,3); temp=[]; f...

mehr als 12 Jahre vor | 0

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[Help]+Matrix Operation
b is being used as an index. t is an array with elements incrementing my 0.999, which means b is also an array. Now elements ...

mehr als 12 Jahre vor | 0

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