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Simo

Last seen: 3 mesi ago
12 total contributions since 2020

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Question

mix symbolic with function handle
hi I've to write a function with parameter b, where an integral is in this function. how can i do it? thanks for any advice L=...

3 mesi ago | 1 answer | 0

1

Question

How to use fzero properly
I've to search for the roots of an equation (the energy levels of multiple quantum well using the propagator method). If I sear...

4 mesi ago | 1 answer | 1

1

Question

array of function handle
I have to convert a code written using syms, to a code with function handle. (my prof doesn't want me to use syms) how can I se...

4 mesi ago | 1 answer | 0

1

Question

integral of function definite in piece with multiple variable
I need to calculate the fourier transform of a function can you show me how to run this code and also how to run using syms t...

4 mesi ago | 1 answer | 0

1

Question

fzero function with cases
I have to search for the zero of a function that has 2 cases , but it doesn't work Are there other way to define a function tha...

5 mesi ago | 1 answer | 0

1

Question

how to normalize results from ode45
I solved using the shooting method the first 3 level of the anharmonic quantum potential well I get a plot like this sinc...

5 mesi ago | 1 answer | 0

1

Question

Table with blanks and index symbol
How can I have blanks instead of 0 or NaN? And Is there a way to have the index D_{i} D(D==0)=NaN; D_1=D(:,1); D_2=D(:,2); ...

6 mesi ago | 1 answer | 0

1

Question

plot label with latex symbol
hi how can i enter latex symbol (greek letter rho this time) in the labels of a plot? (first order bessel function) yl={'J_{1}...

6 mesi ago | 1 answer | 0

1

Question

Insert all in matrix
for all iteration the function ricerca sometimes gives 7 values, sometimes 2 how can i insert all the values in a matrix. It's ...

6 mesi ago | 1 answer | 0

1

Question

fzero with function in matrix
I have to solve a matrix of function and then search the zero I write a simpler code. syms x a=[sin(x),1;1,1]; b=[1/cos(x);...

6 mesi ago | 1 answer | 0

1

Text in plot with symbol and fractions
IT WORKS THANK YOU VERY MATCH

7 mesi ago | 0

Question

Text in plot with symbol and fractions
Hi newbie here and first question I need the place a text in a plot and i use str1=cat(2,'x(\infty)=',num2str(y(1,end),'%1.4...

7 mesi ago | 2 answers | 0