Community Profile # Abhinav

### IIITD&M Kanchhepuram

Last seen: 2 years ago Active since 2014

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3 years ago

Solved

Given a and b, return the sum a+b in c.

3 years ago

Question

Load custom test and training data to 'HyperparameterOptimizationOptions' in SVM regression.
Hi! I want the 'HyperparameterOptimizationOptions' in SVM regression to optimize my regression problem using the test and train...

3 years ago | 0 answers | 0

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How to find values of 'a' and 'b' satisfying following eqaulity?
Following is an equation with two unknows 'a' and 'b'. (20*(2627.82-a)^2+2*267.25*(2627.82-a)*(-37.15-b)+4677.69*(-37.15-b)^2...

5 years ago | 0 answers | 0

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Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

5 years ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5 years ago

I'm unable to access data using xlsread
You need to use the exact name of sheet. This is case sensitive. For e.g. if sheet name in excel workbook is Sheet1, then in fun...

5 years ago | 0

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How to remove the row of matrix which contains same value in specific columns?
I have a dataset (just a subset of a larger dataset, attached excel file). In the dataset, I want to remove the rows which have ...

5 years ago | 1 answer | 0

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How to pass additional inputs to function in 'fminbnd'?
I have a function to optimize with respect to 'lambda': function v = minfunction(lambda) data = xlsread('data.xl...

5 years ago | 1 answer | 0

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How to plot two variables on same graph in matlab with mean and extreme values?
I have to plot two variables in the same plot with mean extreme values. The variables and values are below: x = [0.8354 1.6...

5 years ago | 1 answer | 0

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How to stop a program if average change in function value in last 10 iterations is less than 0.001
How can I program to stop execution of my code when average change in value of function let us say 'f' is less than 0.001 in las...

6 years ago | 0 answers | 0

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

6 years ago

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

6 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

6 years ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

6 years ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

6 years ago

Question

How to find intermediate points and plot following problem in MATLAB?
I have three variables x, y and z. Each variable value can be between [0 0.5]. I want to generate 20 equidistant points for each...

6 years ago | 1 answer | 0

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How to access zero index in the following code?
I need to calculate value of tol for i=1:20 tol=abs(hvq(i))-abs(hvq(i-1)) Now in the first iteration as it is giving m...

6 years ago | 2 answers | 0

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How to plot inequalities in three dimesnions?
I have set of following inequalities {(x,y,z): x+2*y<=1, x-z<=2} How to plot them in MATLAB? x,y and z are vectors.

6 years ago | 1 answer | 0

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How to handle this loop?
I have a loop in my code as below for i=1:n-1 k=1:sz1; temp=rand(1,sz1) if temp(1,:)<=0.6 QAKAN1(i,k)=...

8 years ago | 0 answers | 0

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Help with this code.
for i = 1:5 b1(i,:)= round(((1860-0)*(rand(1)))+0) end b1 for i = 1:5...

8 years ago | 1 answer | 0

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Algorithm for equality condition.
b5=zeros(5,1) b6=zeros(5,1) b1=[ 1417.1; 1299; 236.19; 501.9; 708.57] %% while (~(...

8 years ago | 1 answer | 0

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Regarding random generation of elements in a matrix.
I have a code like this randi([0 1],1,10) I want it to generate random 0 and 1. But I want that it should generate at max...

8 years ago | 2 answers | 0

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Regarding matrix operation in MATLAB
for i=1:5 s(i,:)=randi([0 1],1,5); xl=0; xu=1860; l=5; si=bi2de(s); b=(xl+((xu-xl)/((2^l)-1)))*si; end ...

8 years ago | 1 answer | 0

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How to find normal distribution of the number?
I have a normal distribution like this Normal(6,3) where 6 is mean and 3 is standard deviation. How to generate numbers from thi...

8 years ago | 1 answer | 0

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How to find the iteration number which gave me specific result?
Say I am generating an array in matlab using for loop. In that array I have to find which value is minimum, so I used min functi...

8 years ago | 1 answer | 0

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I have a matix like this. I don't want the exponential form. I just want the normal form. For eg 1875.5, 1747.5 etc not 1.7475e+03. Please give me some hint.
1.0e+03 * 1.084500000000000 1.687400000000000 1.660100000000000 0.232000000000000 1.346400000000000 1.1486000...

8 years ago | 1 answer | 0

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How to generate a random array of 1*N matrix in which sum of all elements is 1 and numbers generate should be upto 1 decimlal place only.
For eg. [0.4 0.3 0.3] It should be generated randomly.

8 years ago | 1 answer | 0

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How to give IF condition in following code?
I have following code. It is generating some random values of y (0 or 1). I want it to select at least 2 ones's(1) and it it sho...

8 years ago | 1 answer | 0