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## Main Question or Discussion Point

I'm trying to solve the Heat equation by assuming a similarity solution of the form U=f(z) where z = x / √t also subject to U=H(x) at t=0 *H(x) is heaviside function. The question want the answers to be given in terms of the error function and also checked by using the fundamental solution of the heat equation.

I'm not that familiar with 'similarity solutions' and the 'partial derivatives' books I've taken out from the library aren't that helpful.

I'd be grateful if people could point me to useful resources to help tackle the question and even , if possible, provide some tips on how I would go about solving it

Thanks

I'm not that familiar with 'similarity solutions' and the 'partial derivatives' books I've taken out from the library aren't that helpful.

I'd be grateful if people could point me to useful resources to help tackle the question and even , if possible, provide some tips on how I would go about solving it

Thanks