Post Closed as "unclear what you're asking" by corey979, bobthechemist, bbgodfrey, Niki Estner, Αλέξανδρος Ζεγγ
2 added 45 characters in body

I have a function $$f(x,y) = \sin(x) \cos(y) e^{x+y}$$$$f(x, y) = \sin x\ \cos y\ \mathrm e^{x + y}$$ (just an example) such that $$x + y \le 1$$$$x + y \le 1$$ (both $$x$$$$x$$ and $$y$$$$y$$ are positive and $$0$$0 < x \le 1$$ and $$0< y \le 1$$$$0 < y \le 1$$).

I want to make a contour plot such that the contraint $$x + y \le 1$$$$x + y \le 1$$ is taken into consideration. By this I mean that for the value of $$x=x_0$$$$x = x_0$$ the values of $$f$$$$f$$ should be such that $$y=1-x_0$$$$y = 1 - x_0$$.

I have a function $$f(x,y) = \sin(x) \cos(y) e^{x+y}$$ (just an example) such that $$x + y \le 1$$ (both $$x$$ and $$y$$ are positive and $$0 and $$0< y \le 1$$). I want to make a contour plot such that the contraint $$x + y \le 1$$ is taken into consideration. By this I mean that for the value of $$x=x_0$$ the values of $$f$$ should be such that $$y=1-x_0$$.

I have a function $$f(x, y) = \sin x\ \cos y\ \mathrm e^{x + y}$$ (just an example) such that $$x + y \le 1$$ (both $$x$$ and $$y$$ are positive and $$0 < x \le 1$$ and $$0 < y \le 1$$).

I want to make a contour plot such that the contraint $$x + y \le 1$$ is taken into consideration. By this I mean that for the value of $$x = x_0$$ the values of $$f$$ should be such that $$y = 1 - x_0$$.

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# Regarding a contour plot

I have a function $$f(x,y) = \sin(x) \cos(y) e^{x+y}$$ (just an example) such that $$x + y \le 1$$ (both $$x$$ and $$y$$ are positive and $$0 and $$0< y \le 1$$). I want to make a contour plot such that the contraint $$x + y \le 1$$ is taken into consideration. By this I mean that for the value of $$x=x_0$$ the values of $$f$$ should be such that $$y=1-x_0$$.