Community Profile

# Austin

26 total contributions since 2013

View details...

Contributions in
View by

Question

I keep getting x as a single value output instead of an array of 14values..
below are my codes: i would like to obtain an array for 14values for my x but i keep getting a single value output for x instea...

5 years ago | 2 answers | 0

### 2

Question

quiver function(vector field)
<</matlabcentral/answers/uploaded_files/28570/qn11.jpg>> Above is my vector field generated. The arrows are all squeezed ...

5 years ago | 1 answer | 0

### 1

Question

f(x) = (sin(x))^0.5
im trying to plot a graph of y = sqrt(sin(x)) for domain -10<=x<=10 however, im trying to convert my graph from left figure to ...

5 years ago | 1 answer | 0

### 1

Question

Undefined function 'Trapzoid' for input arguments of type 'double'.
Hi, i keep getting this error: Undefined function 'Trapzoid' for input arguments of type 'double'. below are my codes: ...

5 years ago | 2 answers | 0

### 2

Question

Find the first column in a matrix that contains at least 1 non zero..
Hi,im trying to find the first column in a matrix that contain at least 1 non zero. then the function Findfirst should return m...

6 years ago | 1 answer | 0

### 1

Question

using subfunctions in a script to find area of rectangle..
below is my scripts and sub functions, why do i still get this error when all my subfunctions and script already have the green ...

7 years ago | 1 answer | 0

### 1

Question

How can i group each column of a matrix after i split a matrix into columns.
for eg, i have a matrix "mat = 10*rand(x,y)" after i split the matrix by columns into y number of groups,how can i group them...

7 years ago | 2 answers | 0

### 2

Question

how do i generate a 1X4 matrix with until the sum of the matrix =100
how do i generate a 1X4 random matrix until the sum of the matrix equals to 100 with the following condition: (each time th...

7 years ago | 4 answers | 0

### 4

Question

matrix input if mat(1) is > than mat(2)
im trying to find if an mat(1)is > mat(2) and so on. below is my attempt: function [specialmax] = specialmax(x) [r c...

7 years ago | 1 answer | 0

### 1

Question

how can i subplot 4 separate graphs for machine's velocity
A machine velocity while traveling on a particular road = 70*exp(-t/M) t=0:0.5:10 M is the mass of the Machine. Machine1 is...

7 years ago | 1 answer | 0

### 1

Question

if A=1:0.1:10 and B=1:4,T=exp(A/B) , is there anyway to plot a graph of T against A?
if A=1:0.1:10 and B=1:4, T=exp(A/B) , since they are of matrices of different sizes, is there anyway to plot a graph of T ag...

7 years ago | 2 answers | 0

### 2

Question

error using subplot,index exceed numbers of subplots
x=1:1:10 for i=2:2:8 y=4*x-3*i subplot(4,1,i) plot(x,y) end why do i keep getting this error- error using subplot,index...

7 years ago | 2 answers | 0

### 2

Question

i cannot seem to enter :y=(a.^(4x)+a.^(-4x)-22)/(x^3)
im trying to plot this graph clf hold on axis ([-100 100 -100 100]) x=-1:0.02:70; a=14 y=(a.^(4x)+a.^(-4x)-22)/(x^3) ...

7 years ago | 1 answer | 0

### 1

Question

line doesnt appear on my graph
hi,im trying to plot a graph below is my script and outcome of my plot(x,y) graph. can anyone enlighten me on why do i only get...

7 years ago | 2 answers | 0

### 2

Question

Error using / Matrix dimensions must agree...
Below is my script: >> clf >> hold on >> axis([-1 1 -1 1]) >> x=-1:0.0001:1; >> y=cos(1/x) >> plot(x,y) M...

7 years ago | 6 answers | 2

### 6

Question

can i make a matrix like this?

7 years ago | 2 answers | 0

### 2

Question

how do i fprintf 2 variables like this

7 years ago | 2 answers | 0

### 2

Question

generating random values within a range with condition

7 years ago | 1 answer | 0

### 1

can i make a matrix like this?
Your script works perfectly! Thanks a lot Azzi Abdelmalek.!

7 years ago | 0

how to i attain a matrix with 1 to n
arrr i found out that i entered r and c in the wrong line,thanks alot Wayne King your answer did helped me alot!

7 years ago | 0

how to i attain a matrix with 1 to n
r=input('please indicate the number of rows you want for the matrix') c=input('please indicate the number of columns you wa...

7 years ago | 0

how to i attain a matrix with 1 to n
r=input('please inducate the number of rows you want for the matrix') c=input('please indicate the number of columns you want f...

7 years ago | 0

Question

how to i attain a matrix with 1 to n
when i prompt a user for a value for m,n how do i attain a matrix such that the first row of a matrix be 1 to m for eg.if a us...

7 years ago | 4 answers | 0

### 4

Question

how can i prompt user to enter elements for specific row/columns
script ive used: m = input('Enter number of rows: '); n = input('Enter number of columns: '); for i = 1:m fo...

7 years ago | 1 answer | 0

### 1

Can this simple script be done without calling a function?
AorO=input('would you like to buy apples or oranges?','s') if AorO=='A' A=6/.5 fprintf('the amount of orange you can buy ...

7 years ago | 0

Question

Can this simple script be done without calling a function?
hi,im new to matlab here im trying to write a script that would prompt a user if he have only \$6 in his pocket,whether he wou...

7 years ago | 3 answers | 0