Pregunta
How can I remove parentheses in a symbolic expression and perform the operations for the coefficients?
I cannot use parentheses and / operations in my code because PHClab can't interpret them. So I need to remove them. How can I ma...
casi 12 años hace | 1 respuesta | 0
1
respuestaResuelto
Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...
casi 12 años hace
Resuelto
Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];
casi 12 años hace
Enviada
Phase Plane Analysis
GUI for visualizing the direction field of two coupled first order nonlinear differential equations
casi 12 años hace | 1 descarga |
Resuelto
Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....
casi 12 años hace
Resuelto
Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...
casi 12 años hace
Resuelto
radius of a spherical planet
you just measured its surface area, that is the input.
casi 12 años hace
Resuelto
Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...
casi 12 años hace
Resuelto
Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...
casi 12 años hace
Resuelto
Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.
casi 12 años hace
Resuelto
Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
casi 12 años hace
Resuelto
Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...
casi 12 años hace
Resuelto
Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12
casi 12 años hace
Resuelto
Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];
casi 12 años hace
Resuelto
Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...
casi 12 años hace
Resuelto
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...
casi 12 años hace
Resuelto
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...
casi 12 años hace
Resuelto
Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
casi 12 años hace
Pregunta
ButtonDownFcn does not work
I am making a gui, but I can not make use of line 31: set(S.canvas, 'ButtonDownFcn',{@selectedtile,S}); If I am within t...
casi 12 años hace | 1 respuesta | 0
1
respuestaResuelto
Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5
más de 12 años hace
Pregunta
Double precision limit with norm
I wrote a Taylor series approach for calculating the natural logarithm of matrix A. When I compared my result with the built-in ...
más de 12 años hace | 1 respuesta | 0
1
respuestaPregunta
MATLAB inverts colors in uicontrol objects
I wrote a GUI application but my problem is that when I save the figure programatically using the saveas command, colors of the ...
más de 12 años hace | 0 respuestas | 0
0
respuestasResuelto
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...
más de 12 años hace
Pregunta
How to obtain a warning message?
I would like to extract the warning message, that a function throws. For example syms x solve(sin(1/sqrt(x))) generat...
más de 12 años hace | 1 respuesta | 0
1
respuestaPregunta
Overwrite the function handle with a newer state?
I am currently learning from Matt Fig's 41 GUIs. What I do not understand is why he writes this line: set(ln,'buttondownfcn',{@a...
más de 12 años hace | 1 respuesta | 0
1
respuestaPregunta
How to pass handle without using nested functions?
I want to make a simple GUI programatically. Here is what I have done so far. function main % Initialize figure and...
más de 12 años hace | 1 respuesta | 0
1
respuestaResuelto
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...
alrededor de 13 años hace
Resuelto
De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...
alrededor de 13 años hace
Resuelto
Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...
alrededor de 13 años hace