added a test case to make it a wee bit harder
function y = pow2_sumofdigits(x)
number = sym(2^x);
n = char(number);
y = 0;
for i = 1:length(n)
y = y + str2double(n(i));
this code gives exact results on my mechine but not work in cody show error
Error: License checkout failed.
License Manager Error -5
Cannot find a license for Symbolic_Toolbox.
Troubleshoot this issue by visiting:
License path: email@example.com:firstname.lastname@example.org:/tmp/matlabpref/.matlab/R2013a_licenses:/opt/mlsedu/matlab/R2013a/licenses/license.dat:/opt/mlsedu/matlab/R2013a/licenses
Licensing error: -5,0.
please help me ...........
Symbolic_Toolbox can't run on Cody.
The Goldbach Conjecture, Part 2
Renaming a field in a structure array
2 b | ~ 2 b
Try 1.5.4: Celsius to Fahrenheit
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Roll the Dice!
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
N-Dimensional Array Slice
Generate N equally spaced intervals between -L and L
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