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4 years ago

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How to solve an issue with an equation that has a variable with multiple values.
You are not getting wrong values of y. format long x = (1:10)'; y = (exp(3*x).*((2*x)+(log(40*x)))) Since there is a big di...

4 years ago | 1

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Sum of Arithmetic Progression
Given the starting number, difference and the number of terms - find the sum of the arithmetic progression.

4 years ago

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Leftovers? Again?!
I am thinking of a positive number X. To determine what number I am thinking of, I will give you two 1xN vectors. The first ve...

4 years ago

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List the semiprimes
A semiprime number—or a 2-almost prime—is the product of two prime numbers. The numbers and are semiprimes, but and are not....

4 years ago

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Magical Land
Mother Earth has gifted humanity a magical land to help all life on earth, in the shape of a n-sided regular polygon. You, bein...

4 years ago

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How to show the variable name instead of its value in a plot's text, when using "syms", "text" and "latex" functions
syms y(a,x) y(a,x) = exp(-a*x); % equation to show inside the plot figure fplot(y(0.01,x), [0 500]) text(100,0.5, ['$y = ' l...

4 years ago | 1

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Matrix of Multiplication Facts
This is James's daughter again, sneaking into his Cody account. Thanks to your help in my math class last year, I did great! B...

4 years ago

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Factor Digits
Check if a given number in an array of numbers is - Equidigital Number - A number that has the same number of digits as the num...

4 years ago

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Text Processing - New
Derived from problem 2440. A string containing several sentences are given as input. If any sentence contains the word 'great...

4 years ago

Problem

Magical Land
Mother Earth has gifted humanity a magical land to help all life on earth, in the shape of a n-sided regular polygon. You, bein...

4 years ago | 0 | 9 solvers

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How to use loop for plotting multiple plots and legend?
What you want to do is possible but quite more tedious than what you did. y=readtable('test file.xlsx'); z=cell(1,20); for i=...

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Count the ways pairs of parentheses can be matched correctly

4 years ago

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I want to solve it with the unknown
You have defined your function handle as - f = @(t,y,s,r,Nddotmax) (r*((1-y)/Nddotmax)+s-0.0012*0.02*y); Which means it requir...

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Sum: every nth column and groups/blocks of columns
%comment lines removed c=3; % no. of countries s=4; % no. of sectors X=magic(c*s); % 12 Vectorized solution S1=reshape(sum(...

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index 1-0 sume set
Writing the answer based on Google translate text x=[0 1 0 1 1 1 0 1 1 1 1 0 1 1 1 0 1]; x=[~x(1) x ~x(end)]; c=0; %count n=...

4 years ago | 1

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Is this a valid Tic Tac Toe State?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

4 years ago

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The Number of Ways
Find all the possible ways to reach the end of a matrix. So given [a b c d] the possible ways [a c],[a d],[b c],[b ...

4 years ago

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How to fix the precession difference error of variables in matlab?
If you look at the values, you will get an idea as to why that's happening - format long T1=load('T1.mat').T1; T2=load('T2.ma...

4 years ago | 1

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I am receiving this error : Subscripting a table using linear indexing (one subscript) or multidimensional indexing (three or more subscripts) is not supported.
a = readmatrix('a.xlsx'); b = readmatrix('b.xlsx'); c = readmatrix('c.xlsx'); %I have not suppressed the outcome so you can v...

4 years ago | 2

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Unsupported use of the '=' operator. To compare values for equality, use '=='. To specify name-value arguments, check that name is a valid identifier with no surrounding quote
There is a close bracket sign (']') missing in your code %2nd last line model_parameters = [a_sol, b_sol,c_sol, d_sol] ...

4 years ago | 1

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Return a list sorted by number of consecutive occurrences
Inspired by Problem 38 by Cody Team. Given a vector x, return a vector y of the values in x sorted by the number of CONSECUTIVE ...

4 years ago

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Dick Van Dyck?
Not the celebrity, Dick Van Dyke, this problem relates to balanced strings of parentheses, Dyck Language. Please attach the de...

4 years ago

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Compute the Bernoulli numbers
The <https://en.wikipedia.org/wiki/Bernoulli_number Bernoulli numbers> appear in several applications in number theory, includin...

4 years ago

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Generalized sorting
Write generalized sort function |sortg()| that sorts array elements in “ascending” order with given comparison funct...

4 years ago

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Get to a number faster.
If you start with $1 and, with each move, you can either double your money or add another $1, what is the smallest number of mov...

4 years ago

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Vector slither sort!
Sort a numeric vector in the following format: [largest value, smallest value, second largest value, second smallest value, etc...

4 years ago

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Exponent of IEEE Single
Output the exponent bits as a uint8 of the IEEE representation of the single-typed 32-bit float input.

4 years ago

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increasing sequences
Given a string of digits, insert commas to create a sequence of strictly increasing numbers so as to minimize the magnitude of t...

4 years ago

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Sort vector by number of prime factors of each element
Sort a given array based on how many prime factors each term has. Sort from least to greatest and output original values. Ex: ...

4 years ago