Derivative #53
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Derivative #53
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Leibniz notation is going to be hard to handle within the parser. I would suggest parsing And then performing a transform on the AST that converts fractions that look like |
| suite('nthRoot', [ | ||
| 'nthRoot(x)', | ||
| 'nthRoot(x, 3)', | ||
| 'nthRoot(8, 3)', |
| @@ -211,7 +220,7 @@ class Parser { | |||
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| if (args.length > 1) { | |||
| return build.applyNode('add', args.map(term => | |||
| term.addParens ? build.parensNode(term) : term)) | |||
| term.addParens ? build.parensNode(term) : term)) | |||
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I don't think this formatting change adds anything.
| @@ -272,7 +280,7 @@ class Parser { | |||
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| return factors.length > 1 | |||
| ? build.applyNode('mul', factors, {implicit: true}) | |||
| : factors[0]; | |||
| : factors[0]; | |||
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Sorry! It's an issue with my text edit and the auto configs I have. Will fix
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| // Lagrange notation | ||
| // e.g. f', f'', f'(x) | ||
| if (node.name === 'f' && matches(this.currentToken(), `'`)) { |
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This is pretty restrictive. We should be able to parse the derivative of any function (or expression). This is so we can handle things like (af + bg)'.
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Working on derivative parsing.