MATLAB: How to write down functions

matlab function

How do i write xe^x^2-10^6 and 2x^2 e^x^2+e^x^2 on matlab? I can't figure it out. Matlab says it's an invalid expression

You need to specify the multiplication operator in MATLAB explicitly. Also, 'e' is not defined as a constant in MATLAB

y1 = x*exp(x^2)-10^6
y2 = 2*x^2*exp(x^2)+exp(x^2)

If 'x' is a vector then use element-wise operators

y1 = x.*exp(x.^2)-10^6
y2 = 2*x.^2.*exp(x.^2)+exp(x.^2)

Completing this free course: https://www.mathworks.com/learn/tutorials/matlab-onramp.html will help understand the basics of MATLAB.

If you have the Symbolic Toolbox:

>> g = @(x) exp(x^2-2)
g = 
    @(x)exp(x^2-2)
>> syms x
>> diff(g(x))
ans =
2*x*exp(x^2 - 2)

I would write it as one anonymous function:

F = @(x) sum(sum([x  exp(-x)]' * [6:6:300],1),2);
Y = F(1)
Y =
    10.4643e+003