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Answered

How do I insert the output of a command as formatted text in a live script.

I think I worked out how to do it, but don't understand what's going on behind the sceens. If I make a normal script file with...

How do I insert the output of a command as formatted text in a live script.

I think I worked out how to do it, but don't understand what's going on behind the sceens. If I make a normal script file with...

5 månader ago | 0

| accepted

Question

How do I insert the output of a command as formatted text in a live script.

Say I have a code line in a live script that generates output. disp(magic(4)) I'd like to be able to copy the ouput 16 ...

5 månader ago | 3 answers | 0

Question

How do I clear the output from a list of .mlx files to reduce their size?

Live Editor files with their output figures etc. are much larger than those without. If I have a list of .mlx files, and want t...

ungefär ett år ago | 1 answer | 0

Answered

Creating a diagonal matrix with specific diagonal vectors

Assuming the output matrix is square and N by N, this is what I would do. Assume N=4, and I'd like to set the -1 diag to [1,2,3...

Creating a diagonal matrix with specific diagonal vectors

Assuming the output matrix is square and N by N, this is what I would do. Assume N=4, and I'd like to set the -1 diag to [1,2,3...

ungefär ett år ago | 0

Question

How do I convert a complex ss model to a real ss model

If I have a state space model something like A = [-0.005+sqrt(2)*1i 0 ; 0 -0.005-sqrt(2)*1i]; B = [ -1+1i -1-1i]; ...

ungefär ett år ago | 0 answers | 0

Answered

Is there a function for argmax?

function y = argmax(x) [~,y] = max(x); end

Is there a function for argmax?

function y = argmax(x) [~,y] = max(x); end

mer än ett år ago | 0

Question

Centos 7 Install: Help not working right

I have just installed MATLAB 2019a over Centos for the first time. Help is not working as I expect. When I type help, I get hel...

nästan 2 år ago | 1 answer | 0

Question

arrayfun isreal fails - how to fix?

x = randn(8,1); z = fft(x); assert(isreal(z(1)),'First'); y = arrayfun(@isreal,z); assert(y(1),'Second'); In this snippet, ...

nästan 2 år ago | 2 answers | 2

Answered

how to constrain tfest to give minimum phase zeros

init_sys = idtf([NaN NaN NaN],[1 NaN NaN NaN]); init_sys.Structure.num.Minimum = 0; init_sys.Structure.den.Minimum = 0; ...

how to constrain tfest to give minimum phase zeros

init_sys = idtf([NaN NaN NaN],[1 NaN NaN NaN]); init_sys.Structure.num.Minimum = 0; init_sys.Structure.den.Minimum = 0; ...

mer än 5 år ago | 0

Question

how to constrain tfest to give minimum phase zeros

I am trying to apply the MATLAB ident toolbox function "tfest" to some data. It is returning a non-minimum phase zero, yet I get...

mer än 5 år ago | 1 answer | 0

Question

How to get good sys ids using n4sid

I have a test problem to try out the n4sid function in the System Identification Toolbox. I have simulated a simple SISO sec...

mer än 5 år ago | 0 answers | 0

Question

Use a network license if it is available

I have worked out how to combine my Individual Standalone Named User license with a Network Concurrent User license from a serve...

ungefär 6 år ago | 0 answers | 0

Question

Combining standalone license with network license. Using offline.

I would like to use my standalone copy of MATLAB with some Toolboxes for which we have a network license. I installed MATLAB usi...

mer än 8 år ago | 1 answer | 0

Question

Fonts that work correctly

I have been playing around, in MATLAB 2012b, with setting the fonts in a Figure. I have done this both under OS X and Windows 7,...

mer än 8 år ago | 2 answers | 0

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...

nästan 9 år 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...

nästan 9 år ago

Solved

The Goldbach Conjecture

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

nästan 9 år ago

Solved

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

nästan 9 år ago

Solved

Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

nästan 9 år ago

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

nästan 9 år ago

Solved

Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

nästan 9 år ago

Solved

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...

nästan 9 år ago

Solved

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...

nästan 9 år ago

Solved

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...

nästan 9 år ago

Solved

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...

nästan 9 år 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...

nästan 9 år ago

Solved

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...

nästan 9 år ago

Solved

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...

nästan 9 år ago

Solved

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...

nästan 9 år ago

Solved

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...

nästan 9 år ago