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Sidafa


Last seen: 4年以上 前 |  2013 年からアクティブ

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the initial point is local minima for fmincon.
It looks as though fmincon has converged from the output. The objective function, as pointed out from the previous answer, may b...

7年以上 前 | 0

質問


limit the number of function evaluation per iteration in FSOLVE
Hello, I'm hoping to set a bound to the number of function evaluation per stage in fsolve. What I mean is this: with MaxFu...

7年以上 前 | 1 件の回答 | 0

1

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質問


ODE45: only save the solution at final time
I would like to only save the solution at the final time. Rather than the output argument "y" being an array of size (N, M), I o...

7年以上 前 | 1 件の回答 | 0

1

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質問


Multiply each row of a matrix by a matrix
Say I have the following matrix B = [1 2 3;4 5 6;7 8 9;10 11 12] and another matrix A = [a b c;d e f;g h i] Ho...

8年弱 前 | 1 件の回答 | 0

1

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質問


return to first call in recursive call
Hello, Is there a way to return to the head of the stack of recursive function calls? or exit the recursive calls? I have ...

9年以上 前 | 1 件の回答 | 0

1

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質問


Complex, negative real sym
I was wondering if there was a way to create a sym object z, and assume negative real part. I guess I can create define ...

9年以上 前 | 1 件の回答 | 0

1

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質問


Subplot with varying number of plots
Hello, Not sure if this possible. What I want to do is the following: fig0 = figure; subplot(1,2,1); plot(x,y1); ...

9年以上 前 | 1 件の回答 | 1

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質問


create an L-shaped sub-domain
On a [-1,1]*[-1,1] domain, how can I flag (boolean) an L-shaped domain?

9年以上 前 | 0 件の回答 | 0

0

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質問


circshift columns of array by different shift size
I'm trying to do the following with arrayfun and circshift s_dfp = magic(4); s_hh1p = circshift(s_dfp(:,1),[1 -1]); s...

9年以上 前 | 3 件の回答 | 0

3

回答

解決済み


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

10年弱 前

解決済み


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...

10年弱 前

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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...

10年弱 前

解決済み


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...

10年弱 前

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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...

11年弱 前

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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 ...

11年弱 前

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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...

11年弱 前

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Is my wife right?
Regardless of input, output the string 'yes'.

11年弱 前

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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 ...

11年弱 前

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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...

11年弱 前

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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.

11年弱 前

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

11年弱 前

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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 ...

11年弱 前

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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...

11年弱 前

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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:...

11年弱 前