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Accept 20 answers given by other contributors
Awarded to Giuseppe on 20 Jul 2017
Feeds
Question
For to While Loop
Hi I have been told you can convert any for loop to a while loop. If so I don't see how you could convert the following to a whi...
10 years ago | 1 answer | 0
1
answerQuestion
The function isreal not working?
function [calc_valid, EM] = input_check(N,t,S,EV) inputs = [N,t,S,EV]; %The inputs are placed in a vector. calc_vali...
10 years ago | 0 answers | 0
0
answersQuestion
Checking variables are valid for a set of conditions.
The aim of this sub function is to determine if the inputs of a parent function are valid. The goal is that EM is a string displ...
10 years ago | 1 answer | 0
1
answerQuestion
check if two variables are not equal to zero.
I have the vector e.g A=10 B=4 C=0 D=4 V = [A,B,C,D] How would I check if more than two values equal zer...
10 years ago | 1 answer | 0
1
answerQuestion
Check if a number of varibles in a function satifies a condition.
Say for example I had the function function [d,e] = examplefunction(a,b,c,d,e) end I would like to check if the...
10 years ago | 1 answer | 0
1
answerQuestion
Function does not calculate desired variable.
Hi I have the following function; function [EV,N,t,S] = EVjc300293(EV,N,t,S) % If a variable is set to zero calculate it...
10 years ago | 2 answers | 0
2
answersQuestion
randi size inputs not scalar issue?
I have an issue when I want a variable length I decided to give two inputs max_length and min_length. I then chose the length in...
10 years ago | 1 answer | 0
1
answerQuestion
Chose a random integer between an upper and lower limit.
I ask the user to input two limits a upper and lower limit. I then want to generate a random integer between these two values. ...
10 years ago | 1 answer | 0
1
answerQuestion
Using randi instead of floor and rand.
This is my password generator. % Password Generator % 1. Input Parameters uppercase = 'A':'Z'; lowercase = 'a':'...
10 years ago | 1 answer | 0
1
answerQuestion
Help with graph legend.
This is my attempt at displaying this in the legend of the graph. legend('y=',num2str(c(1)),'x^2+',num2str(c(2)),'x+',num2s...
10 years ago | 1 answer | 0
1
answerQuestion
multiple inputs for a function
this is my function function ispal=palindrome(forward_string) reverse_string = forward_string(end:-1:1); ispa...
10 years ago | 1 answer | 0
1
answerQuestion
Compare letters in a string.
say i have the string hello for eaxample. I want to compare if the first element in this string equalls the last, if the second ...
10 years ago | 1 answer | 0
1
answerQuestion
How to select a one random letter from a matrix of letters.
I have the array. move = [R ,P, S] How would I select a random letter from this array. cmove = ? Would it look...
10 years ago | 1 answer | 0
1
answerQuestion
Check if a palindrome.
I have the script: %1. Clear the memory and command window. clear clc %2. Input a string. string = ...
10 years ago | 2 answers | 1
2
answersQuestion
For loop not working for my equation.
This is my for loop. for gra=m && yint=c x = (gra-c)./ (m-2) y = m.*x+c end Although I cant g...
10 years ago | 1 answer | 0
1
answerQuestion
Finding if a line intersects another.
I have the simultaneous solution of line 1 and line 2 for instance. This is a point where hey intersect. Say line one was betwee...
10 years ago | 1 answer | 0
1
answerQuestion
Solving linear equations simultaneoulsy.
I have a vector of m and a vector of c values for a set of linear expressions. I have a value for m and c for a single expressio...
10 years ago | 1 answer | 0
1
answerQuestion
Finding varible in equation from vectors.
I have x = [1 2 3] y = [1 2 1] m = [1 -1 0] For the equation y = mx +c (linear expression) I want to find c (y int...
10 years ago | 1 answer | 0
1
answerQuestion
Determine if a polygon is complex.
I want to determine if a polygon is complex not using inbuilt functions. This is my rough idea. for edge = 1:n ...
10 years ago | 1 answer | 0
1
answerQuestion
Circshift not working for values of zero.
I have; x = [0 0 3 3] I want this to become x = [0 3 3 0] When I circshift x_2 = circshift(x,2) it equ...
10 years ago | 2 answers | 0
2
answersQuestion
Creating two vectors from one.
Hi I have a vector; x = [2 4;3 -8; 1 2; 2 4;] I need to produce two vectors like the ones to the left and right below. To...
10 years ago | 2 answers | 0
2
answersQuestion
Counting how many times a loop loops.
This is my code I want the user to enter a number they beleive the loop will run for until the running sum of integers is 21. ...
10 years ago | 1 answer | 0
1
answerQuestion
Finding the area of a polygon.
Hi I have a set of x and y coordinates which form the corners of a polygon. I need to calculate area manually using the shoelace...
10 years ago | 2 answers | 0
2
answersQuestion
The circshift function not working.
I have this code using the idea from this post <http://www.mathworks.com/matlabcentral/answers/122826-vector-manipulation-by-cha...
10 years ago | 1 answer | 0
1
answerQuestion
Vector manipulation by changing order or numbers in a vector.
I have the vector a = [4 5 7 8 9 10] I would like to make a new vector with the second element first and the first eleme...
10 years ago | 1 answer | 0
1
answerQuestion
How do I check if any elements are not a number in a matrix.
I want to check that the matrix I have contains any non numbers in it. I guess I would use the any() function? I just don't know...
10 years ago | 1 answer | 0
1
answerQuestion
Checking if a matrix is right dimensions.
I have this code for a user to enter coordinates. This creates then the matrix y and x. n=10; % number of lines a= input...
10 years ago | 2 answers | 0
2
answersQuestion
Get a user to input corordinates to form a matrix.
Hi I have the matrix; points = [2 5; 6 9; 7 8; 9 10; 6 10] I want to make it that the user inputs the points and a subse...
10 years ago | 2 answers | 0
2
answersQuestion
Calculating the distance between points using vectorization.
Hi I have the matrix; points = [2 5; 6 9; 7 8; 9 10; 6 10] These points relate to a set of x and y coordinates. I want t...
10 years ago | 3 answers | 0
3
answersQuestion
How would I open multiple figures from one script.
Hi I have 3 scripts which all produce a figure. They are all graphs. How would i put them all on one script and have all plots d...
10 years ago | 2 answers | 14
2
answers
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