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# Friedel Hartmann

Last seen: 10 días hace Con actividad desde 2017

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Respondida
Plotting image and data changes y-axis direction. Why and how to fix this?
Does the command axis ij % makes the y axis point downward placed after the plot command, help?

7 meses hace | 0

Respondida
How can I obtain the eigenvector from a matrix?
[Vectors, DiagonalWithValues] = eig(m1) ListEvalues = diag(DiagonalWithValues)

9 meses hace | 0

Respondida
how to plot this function
x=[-1,0.1:1,1]; psi0=(1/pi)^0.25*exp(-x.^2/2.); % <---------------------- plot(x,psi0)

11 meses hace | 0

Respondida
problem with solving system of differential equations
% Example: solve -u''(x) = sin(x) syms up(x) u(x) eqns = [diff(up,x) == -sin(x), diff(u,x) - up == 0]; % -up' = s...

12 meses hace | 0

Respondida
problem with solving system of differential equations
I think your problem are the second derivatives. Matlab can only solve differential equations where the leading term(s) are firs...

12 meses hace | 0

Resuelto

Return area of square
Side of square=input=a Area=output=b

12 meses hace

Resuelto

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

12 meses hace

Resuelto

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 ...

12 meses hace

Resuelto

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

12 meses hace

Respondida
Plot 3rd differential equation
syms x y(x) D1y = diff(y,1) D3y = diff(y,3) dsolve(D3y - 3*D1y + 2*y == x^2 * exp(x),x)

alrededor de 1 año hace | 0

Respondida
Calculating the deformation gradient for a 3D surface
You can calculate the gradient of the displacement field u (3 components), which is a function of (x,y,z) and which is an expans...

alrededor de 1 año hace | 0

Respondida
How can i get the fourier series of any given function
clear syms x f(x) k fh(x) p(x) ph(x) % a0 = a0 Formel /2 iTerme = 8; sco = zeros(1,iTerme); cco = zeros(1,iTerme); ...

alrededor de 1 año hace | 1

Resuelto

Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

más de 2 años hace

Resuelto

Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

más de 2 años hace

Resuelto

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 2 años hace

Resuelto

Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

alrededor de 3 años hace

Resuelto

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

alrededor de 3 años hace

Resuelto

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...

más de 4 años hace

Respondida
preference could not be accessed
I had activated OneDrive Files On Demand on the computer and this feature is incompatible with MATLAB, seemingly because in th...

más de 5 años hace | 0