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# Siva

### Roche Diagnostics

39 total contributions since 2011

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Answered
Converged neural network states
Thanks Greg! Siva

environ 4 ans ago | 0

Question

Converged neural network states
Hi - I am wondering why I don’t arrive at the same trained network (net1f and net3f) even though I believe I have started fr...

environ 4 ans ago | 2 answers | 0

### 2

answers

Question

Margin in a neural network classifier
Hi - I am interested in building a neural network classifier that maximizes the margin. Please advise. Thanks. Siva

plus de 5 ans ago | 0 answers | 0

### 0

answers

Solved

Parse string and identify specific string sequence in algebraic equation
Given a string S that defines an algebraic expression such as: S= 'X= A1 + A2*(Y1 + A3*Y3)*exp( A4*Y12 + Y1) ;' return a...

environ 7 ans ago

Problem

Parse string and identify specific string sequence in algebraic equation
Given a string S that defines an algebraic expression such as: S= 'X= A1 + A2*(Y1 + A3*Y3)*exp( A4*Y12 + Y1) ;' return a...

environ 7 ans ago | 0

Solved

Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

environ 7 ans ago

Solved

Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

environ 7 ans ago

Solved

Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

environ 7 ans ago

Solved

Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

environ 7 ans ago

Solved

surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

environ 7 ans ago

Solved

edge detection
write a function that gives the indexes of rising or falling edge x is a vector (assume it contains always at least one eleme...

environ 7 ans ago

Solved

Read a Soroban Abacus
*Description* The Soroban is the name of the modern Japanese abacus. Information on reading a Soroban can be found <http://we...

environ 7 ans ago

Solved

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

environ 7 ans ago

Solved

Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

environ 7 ans ago

Solved

Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provide...

environ 7 ans ago

Solved

Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

environ 7 ans ago

Solved

Maximum running product for a string of numbers
Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

environ 7 ans ago

Solved

Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

environ 7 ans ago

Solved

Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

environ 7 ans ago

Solved

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

environ 7 ans ago

Solved

Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

environ 7 ans ago

Solved

Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

environ 7 ans ago

Solved

Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

environ 7 ans ago

Solved

Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

environ 7 ans ago

Solved

Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

environ 7 ans ago

Solved

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

environ 7 ans ago

Solved

Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

environ 7 ans ago

Solved

Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

environ 7 ans ago

Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

environ 7 ans ago

Solved

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...

environ 7 ans ago

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