Martin Nors Pedersen
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LSQLIN gives error even when A\b works
Hello everyone i have a set of linear equations which i would like to solve. My data consist of two matrices, Components and ...
oltre 11 anni fa | 1 risposta | 0
1
rispostaDomanda
Error with anonymous call: Undefined function "times" for function_handle
Hello everyone i have a quite long formula which i have attempted to split up into two separate functions. I would then like ...
oltre 12 anni fa | 0 risposte | 0
0
risposteRisolto
radius of a spherical planet
you just measured its surface area, that is the input.
oltre 12 anni fa
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surface of a spherical planet
you just discovered its circumference, that is the input.
oltre 12 anni fa
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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
oltre 12 anni fa
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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
oltre 12 anni fa
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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...
oltre 12 anni fa
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
oltre 12 anni fa
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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...
oltre 12 anni fa
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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
oltre 12 anni fa
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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
oltre 12 anni fa
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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".
oltre 12 anni fa
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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
oltre 12 anni fa
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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...
oltre 12 anni fa
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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...
oltre 12 anni fa
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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
oltre 12 anni fa
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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...
oltre 12 anni fa
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
oltre 12 anni fa
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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
oltre 12 anni fa
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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...
oltre 12 anni fa
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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...
oltre 12 anni fa
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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
oltre 12 anni fa
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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...
oltre 12 anni fa
Domanda
Cannot declare a costum fit type using a function file
Hello everyone i have some experimental data i would like to try to fit a theoretical model to. specifically, i have a data-c...
oltre 12 anni fa | 0 risposte | 0
0
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Cannot find the plot options for LinearModels.fit using a constant
I have some x,y data that may or may not show a plateau depending on experimental conditions. Where the plateau shows up on the ...
circa 13 anni fa | 0 risposte | 0
0
risposteDomanda
Adding legend in a plot genereted by a loop
Hello everyone i have a lot of x,y data sets that i would like to plot. The data sets are stored in a cell structure so that ...
circa 13 anni fa | 2 risposte | 4
2
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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 ...
circa 13 anni fa
Domanda
How can i include the fitted model and goodness of fit into my regression analysis plot
Hello everyone i have some x,y data. i have used the "Curve Fitting" app in matlab to carry out a simple linear regression an...
circa 13 anni fa | 1 risposta | 0
