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arithmetic progression

I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...

17 días ago

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Largest Geometric Series

Extension of Ned Gulley's wonderful <http://www.mathworks.com/matlabcentral/cody/problems/317 Problem 317>. In a geometric se...

17 días ago

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geometric progression

I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...

17 días ago

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Damping of Servomotors with Tachometer Feedback

In Control Engineering, servomotors with tachometer feedback can be modeled by the second order system K / [J*s^2 + (B + K*K...

17 días ago

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Generate random binary matrix (Matlab)

Brute force might work for you. Obviously, some combinations of N,M,n,m will not work. N=10;M=5;%matrix size n=6;%number of on...

Generate random binary matrix (Matlab)

Brute force might work for you. Obviously, some combinations of N,M,n,m will not work. N=10;M=5;%matrix size n=6;%number of on...

17 días ago | 0

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Answered

3D matrix with equation

Should be something like this if I understood you correctly. [m,n]=size(Y); N=zeros(n); for j=1:n for l=1:n N(j,l)...

3D matrix with equation

Should be something like this if I understood you correctly. [m,n]=size(Y); N=zeros(n); for j=1:n for l=1:n N(j,l)...

17 días ago | 0

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Any one can help me on this?

x=[1;1];%initial guess for k=1:10%you did not specify how many iterations or a tolerance f=[4*x(1)^2+x(1)*x(2)+4*x(2)^2-12;...

Any one can help me on this?

x=[1;1];%initial guess for k=1:10%you did not specify how many iterations or a tolerance f=[4*x(1)^2+x(1)*x(2)+4*x(2)^2-12;...

17 días ago | 0

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ASCII Birthday Cake

Given an age and a name, give draw an ASCII birthday cake. For example, given the name "CODY" and the age 5, return a string wit...

17 días ago

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The glass half full

Identical glasses are placed in a triangular tower structure, such that the top level (L = 1) comprises one glass, the next leve...

17 días ago

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Calculate the average value of the elements in the array

Calculate the average value of the elements in the array

17 días ago

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Find the number of days in a given year

Given a year number (eg. 2000) as input, find how many days are there in the given year.

17 días ago

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GJam 2013 Veterans: Ocean View (Small)

This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard#s=p2 GJam 2013 Veterans Ocean View>. Th...

18 días ago

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Generate list of random permutations by column

for k=1:50 p(:,k)=randperm(32)'; end

Generate list of random permutations by column

for k=1:50 p(:,k)=randperm(32)'; end

18 días ago | 0

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Key Generation for Solitaire Cipher

The Solitaire Cipher by Bruce Schneier was introduced to Cody in two problems by Doug Hull: http://www.mathworks.com/matlabcent...

18 días ago

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readmatrix in a loop

for l=1:5 A{l}=readmatrix(['File_' num2str(l) '.txt']);%not sure if all your data is the same size end

readmatrix in a loop

for l=1:5 A{l}=readmatrix(['File_' num2str(l) '.txt']);%not sure if all your data is the same size end

18 días ago | 0

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Code breaker, Part I: Operation Phoenix

You have been tasked with decoding a set of coded messages that have been intercepted. Based on previous intelligence that ...

20 días ago

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Eliminate redundant numbers in text

Occasionally someone might write text such as Briefly explain one (1) common problem that can result from the constant use of ...

21 días ago

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Write out numbers in words

Write out numbers in words ( range [0-9999] ) with British spelling rules. For example; * 1 > one * 56 > fifty-six * 100 >...

21 días ago

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Will the program run

No loops needed. I assume your j is imaginary and that you only want to plot the real part of f. e=8.854*10^(-12); l=1:5; z=...

Will the program run

No loops needed. I assume your j is imaginary and that you only want to plot the real part of f. e=8.854*10^(-12); l=1:5; z=...

21 días ago | 0

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How can i create a char of a character vector as a result of this routine?

Stotal=[0.38 0.007 0.09 0.18 0.34;0.18 0.19 0.17 0.03 0.46;0.19 0.0162 0.68 0.09 0.02;0.08 0.45 0.11 0.045 0.30;0.39 0.09 0.34 0...

How can i create a char of a character vector as a result of this routine?

Stotal=[0.38 0.007 0.09 0.18 0.34;0.18 0.19 0.17 0.03 0.46;0.19 0.0162 0.68 0.09 0.02;0.08 0.45 0.11 0.045 0.30;0.39 0.09 0.34 0...

21 días ago | 1

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Answered

How to generate 0 and 1 matrix in specific condition.

Brute force a=randi(2,4,5)-1; while any(sum(a)<2) a=randi(2,4,5)-1; end

How to generate 0 and 1 matrix in specific condition.

Brute force a=randi(2,4,5)-1; while any(sum(a)<2) a=randi(2,4,5)-1; end

22 días ago | 0

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Solving a complex equation with all real answers

syms R C; eqn=1/(1i+(-50-25000*R*C*1i)/R)==-.1; r=solve(eqn,R); c=solve(eqn,C);

Solving a complex equation with all real answers

syms R C; eqn=1/(1i+(-50-25000*R*C*1i)/R)==-.1; r=solve(eqn,R); c=solve(eqn,C);

23 días ago | 0

Solved

Count unique orderings of vertices of a polygon

Cody Problem 2671 asks us to determine whether four points can be the corners of a rectangle. The points are not necessarily inp...

23 días ago

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Solve an ODE: equation C

Write a function to solve the following ordinary differential equation: with and . The parameter is a constant. The functi...

25 días ago

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Find all vampire fangs

A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a number v that is the product of two numbers x and y such th...

25 días ago

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Pandiagonal Prime Magic Square Verification

Verify if an NxN matrix is a Pandiagonal Prime Magic Square. Required properties: 1) N^2 prime values ( No repeats, 1 ...

26 días ago

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is the number happy?

test is a given integer number is Happy of not? answer 1 if yes or 0 is no

26 días ago

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How to use the result of mn matrix at each loop step to do the calculation of amn?

format long E=209e+3; q=1; h=15; D=6.459478e+07; a=600;b=2400; % Control the value of mn c=2; for f=1:c k=[3:2:...

How to use the result of mn matrix at each loop step to do the calculation of amn?

format long E=209e+3; q=1; h=15; D=6.459478e+07; a=600;b=2400; % Control the value of mn c=2; for f=1:c k=[3:2:...

26 días ago | 1

| accepted

Answered

for loop, while loop

Something like this should work. Could not check, since all variables were not provided. syms x1 x2 x3 x=[x1 x2 x3]; for k=1:...

for loop, while loop

Something like this should work. Could not check, since all variables were not provided. syms x1 x2 x3 x=[x1 x2 x3]; for k=1:...

26 días ago | 0

| accepted