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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

casi 7 años hace

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Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

casi 7 años hace

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Find out sum of all elements of given Matrix
Find out sum of all elements of given Matrix A=[1 2 3;4 5 6 ;7 8 9]; Answer must be: 45 *If you like this problem, pl...

casi 7 años hace

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

casi 7 años hace

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

casi 7 años hace

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merge two matrices together in one matrix
a= [1 2 3 4]; b=[5 6 7 8]; take the first column from matrix (a)and (b)then insert them in matrix (c) respectively, and so on;...

más de 7 años hace

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Sudoku square
We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

más de 7 años hace

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Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

más de 7 años hace

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

más de 7 años hace

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Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

más de 7 años hace

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Words Count: A String Array Approach
Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

más de 7 años hace

Respondida
How to use intervals within fplot?
In R2016a and beyond, you could use this: fplot(@f,[10,20],'MeshDensity',100) It's worth noting that |fplot| in these re...

más de 7 años hace | 1

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Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

más de 9 años hace

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

más de 9 años hace

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

más de 9 años hace

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Reducing or simplifying the **symbolic** product of two integrals
What |simplify| currently cannot do is to rename your bound variable |eta| to |xi| at the right time. You may need to explicitly...

casi 10 años hace | 0

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Symbolic Output Display Problem
If I understand your problem correctly, you don't want approximations as given by |vpa|. In that case, here's the best advice I ...

casi 10 años hace | 0

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MUPAD plot multiple points
If you already have multiple points (not just the vector |r|), you can get a line through them this way: plot([[1,2],[3,10]...

casi 10 años hace | 2

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Creating new symbolic identities
Works for me: >> syms x y z >> S = x^2+y^2+z^2+x+y+z+1 S = x^2 + x + y^2 + y + z^2 + z + 1 >> su...

casi 10 años hace | 0

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Big integer and Precision
You can compute with exact integers and rationals using the symbolic toolbox, just make sure they are not cut off by computing i...

casi 10 años hace | 0

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Error, (in expand/bigprod) integer too large in context ?
This error means the computation is trying to compute something like integer^integer with an exponent larger than 2^32. The resu...

casi 10 años hace | 0

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Solve symbolic system of equations when specifying solutions
>> A = sym('a',[3 3]); >> b = sym('b',[3 1]); >> x = A\b x = (a1_2*a2_3*b3 - a1_3*a2_2*b3 - a1_2*a3_3*...

casi 10 años hace | 0

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Find degree of non-polynomial expression in Matlab
That depends on what exactly you are looking for in the general case. Here's something that works in this particular one: >...

casi 10 años hace | 0

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Comparing accuracy of symbolic computation with matlabFunction
Small correction to Christopher Berry's answer: |double(subs(s))| does not compute to 32 digits (unless the values substituted a...

casi 10 años hace | 1

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simplifying symbolic expressions using assumptions
This approximation can be viewed as a special kind of truncated series: >> syms X Y >> A = X/(X*Y + 1); >> taylor(A, ...

casi 10 años hace | 0

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Using subs for multiple substitution when the symbolic expression is a matrix
If you want to substitute values for all variables, want to get a double, and plan to do that more often, I definitely recommend...

casi 10 años hace | 0

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Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

casi 10 años hace

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All your base are belong to us
Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

casi 10 años hace

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Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

casi 10 años hace

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

casi 10 años hace