Plotting a graph with multiple constraints

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Im having trouble trouble plotting a function given multiple constraints.

For example where f(x) = cos(x)

Constraints

x>=2

x<=5

I was wondering how i could plot this graph on matlab showing both the constrains given,

Thanks in Advance for your help

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darova 2020-3-26

Can you show your code? Your attempts?

Mithuisan Sutharsan 2020-3-26

fun = @(x) cos(x);

x0 = [0];

A = [3 ; 5];

x = fmincon(fun,x0,A,b)

hold all

ezplot(fun);

plot(x,4-x.*sin(x))

Hi darova

Thanks for reaching out.

i tried the code above but i only get the graph of a regular cos(x)

my constraints are not shown in the plot

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Answer 1

Peng Li 2020-3-26

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x >= 2 & x <= 5

this express will consider both constraints in. Is this what you need?

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Mithuisan Sutharsan 2020-3-26

Hi peng, thanks for reaching out

i need help using that as constraints to graph cos(x)

Thanks

Peng Li 2020-3-26

x = 2:.1:5;

y = cos(x);

plot(x, y);

is this what you need?

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Plotting a graph with multiple constraints

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