Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

5 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

5 years ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

5 years ago

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Is my wife right?
Regardless of input, output the string 'yes'.

5 years ago

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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 = ...

5 years ago

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

5 years ago

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

5 years ago

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Given a and b, return the sum a+b in c.

5 years ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5 years ago

can we run a matlab file without saving it?
Actually by default, the Matlab asks for saving the file or script with a name followed by .m extension. So, I don't think its p...

5 years ago | 0

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Submitted

LPG Equilibrium Calculator
The program computes equilibrium composition, temperature and pressure of LPG combustion.

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

5 years ago

Submitted

FEM on axial element
FEM applied on axial element with user-defined geometry and boundary conditions*

Submitted

Lid driven cavity flow
Top lid moves horizontally with uniform velocity and the motion of flow in the cavity is studied.

Code performance tremendously slower than before
Sometimes, removing the orange color warning in the script file makes execution faster. Try this if you have not.

5 years ago | 0

Displaying grid in Matlab animation window
I think adding this line would suffice grid on;

5 years ago | 0

Submitted

InvPrandtlMeyer(v)
Calculates Mach Number

Question

How to plot symbolic row matrix in MATLAB?
I have a row vector whose elements are all some arbitrary functions of x. How to plot this row vector on y-axis and index of ele...

6 years ago | 1 answer | 0

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Question

How to improve performance of sparse matrix indexing in Matlab?
I have a big sparse matrix and it takes lot of time to execute the whole code.

6 years ago | 1 answer | 0

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Question

Plotting stream function as filled contour surface?
I have a matrix with columns denoting 'theta' and rows denoting 'radial distance'. I want to obtain a plot of stream function co...

6 years ago | 0 answers | 0

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Question

How to solve this ode?
E=200e9; syms x; A=10*(20-x); q=x; Boundary conditions u(0)= 0 and u'(x=l0)=100/(100*E)) <</matla...

6 years ago | 1 answer | 0

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Question

How to use feval in this code. I am getting this error: Argument must contain a string or function_handle.
syms t g g= feval('f',((x(2)-x(1))*t+(x(1)+x(2)))/2) % g is now a function of t a=w1*feval(g,x1)+w2*feval(g,x2)+w3*feval(g,x...

6 years ago | 1 answer | 0

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Question

How to initialize a row vector with value zero of size 1xn?
Say, I have a row vector A having n elements. I want to make all elements zero. * For e.g., in 2-d, we write A=zeros(n)

6 years ago | 1 answer | 0

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Question

How to solve system of linear equations obtained from FEM in MATLAB?
Consider Ax=B where A is 4x4 and two values of x are known and 2 values of B are known. Then how to find other four unknowns?

6 years ago | 0 answers | 1

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Question

Help with plotting contour.
r=-5:.2:5; [X,Y]=meshgrid(r,r); Z=30-2*X; pcolor(Z) This is the temperature distribution. Now I want to label each color in ...

6 years ago | 1 answer | 0

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Question

How do I plot colored temperature distribution on a rectangular plate?
I have the data for temperature at every point and I want continuous colored plot corresponding to each temperature. Say, red fo...

6 years ago | 1 answer | 0

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Question

How to solve this ODE? Urgent help!!
<</matlabcentral/answers/uploaded_files/15845/e.png>> Please explain step wise and also I want a plot of m vs. t t varies fr...

7 years ago | 1 answer | 0